Top 100 US Patents in Separation of Substances
section b - performing operations; transporting > physical or chemical processes or apparatus in general > separation
Sorted by IPQ® Score, an objective measure of patent quality. View scores and methodology at PatentRatings.com. You can also view all by publication date instead.
US4908193 (A), filed
Tue Jan 05 00:00:00 CST 1988
, published
Tue Mar 13 00:00:00 CST 1990
- PERRY ROBERT A
PCT No. PCT/US87/01029 Sec. 371 Date Jan. 5, 1988 Sec. 102(e) Date Jan. 5, 1988 PCT Filed May 5, 1987 PCT Pub. No. WO87/06923 PCT Pub. Date Nov. 19, 1987.An arrangement for reducing the NO content of a gas stream comprises contacting the gas stream with NHCO...
US6026540 (A), filed
Fri Jul 24 00:00:00 CDT 1998
, published
Tue Feb 22 00:00:00 CST 2000
- ROYAL APPLIANCE MFG
An upright vacuum cleaner (A) includes an upright housing section (B) and a nozzle section (C). A cyclonic airflow dirt and dust separating chamber (54) is defined in said upright housing section. A suction source (E) pulls air and entrained dirt, dust, and...
US7264730 (B2), filed
Fri Jun 13 00:00:00 CDT 2003
, published
Tue Sep 04 00:00:00 CDT 2007
- BAXTER INT
A number of improvements relating to methods and apparatuses for kidney dialysis are disclosed. These include methods such as supplying a dialysis machine including a touch screen interface to a machine user and supplying to the machine user accessory devices...
US6664101 (B2), filed
Wed Dec 15 00:00:00 CST 1999
, published
Tue Dec 16 00:00:00 CST 2003
CO2 is separated from waste gases by known technical methods and stored in underground cavities. By additions to the CO2, according to the invention, of H2 or NH3, methanogenic bacteria, bacteria substrate, catalysators and/or inhibitors the CO2 is reduced...
US5106505 (A), filed
Thu Nov 30 00:00:00 CST 1989
, published
Tue Apr 21 00:00:00 CDT 1992
- SEPARATION DYNAMICS INC
US6835311 (B2), filed
Fri Nov 01 00:00:00 CST 2002
, published
Tue Dec 28 00:00:00 CST 2004
- KOSLOW TECHN CORP
The invention is directed to a microbiological interception enhanced filter medium, preferably having an adsorbent prefilter located upstream from the filter medium. Preferably, the prefilter is adapted to remove natural organic matter in an influent prior to...
US4288235 (A), filed
Fri Jul 06 00:00:00 CDT 1979
, published
Tue Sep 08 00:00:00 CDT 1981
- STONE WEBSTER ENG CORP
This invention relates to an apparatus and method for rapidly separating particulate solids from a mixed phase solids-gas stream which may be at velocities up to 150 ft./sec. and at high temperature. Specifically, the device is designed for incorporation at...
US5038675 (A), filed
Fri Dec 22 00:00:00 CST 1989
, published
Tue Aug 13 00:00:00 CDT 1991
- BENTZ SOHN MELITTA
A coffee or tea maker has a fresh water container with an outlet opening into a flowthrough heater. There is a water filter for filtering the water used for brewing the coffee or tea. A recess is formed in the fresh water container that is configured to...
US7351340 (B2), filed
Fri Jun 13 00:00:00 CDT 2003
, published
Tue Apr 01 00:00:00 CDT 2008
- BAXTER INT
A number of improvements relating to methods and apparatuses for kidney dialysis are disclosed. These include a method providing an apparatus for dialyzing to a consumer, with the apparatus including a controller for controlling a dialysate parameter, a...
US7053185 (B1), filed
Tue Aug 15 00:00:00 CDT 2000
, published
Tue May 30 00:00:00 CDT 2006
- HAMLET PHARMA AB
A method for producing an oligomeric form of alpha-lactalbumin which is in the molten globule-like state is described. The method suitably comprises exposing a source of alpha-lactalbumin in which the alpha-lactalbumin is preferably in the molten globule-like...
US6759018 (B1), filed
Tue Dec 15 00:00:00 CST 1998
, published
Tue Jul 06 00:00:00 CDT 2004
- ADVANCED TECH MATERIALS
A system for abating undesired component(s) from a gas stream containing same, such as halocompounds, acid gases, silanes, ammonia, etc., by scrubbing of the effluent gas stream with an aqueous scrubbing medium. Halocompounds, such as fluorine, fluorides,...
US4816155 (A), filed
Mon Jul 14 00:00:00 CDT 1986
, published
Tue Mar 28 00:00:00 CST 1989
- KLR MACHINES INC
An improved juice drainage system is incorporated into the mash line of juice processing equipment. Fruit or other mash is pumped through a relatively large-diameter, generally horizontal mash pipe. A plurality of relatively smaller-diameter tubes or juice...
US4558120 (A), filed
Tue Dec 27 00:00:00 CST 1983
, published
Tue Dec 10 00:00:00 CST 1985
- DOW CHEMICAL CO
Dense star polymers having terminal group densities greater than conventional star polymers exhibit greater and more uniform reactivity than their corresponding conventional star polymers. For example, a third generation, amine-terminated polyamidoamine dense...
US5591344 (A), filed
Mon Feb 13 00:00:00 CST 1995
, published
Tue Jan 07 00:00:00 CST 1997
- AKSYS LTD
A dialysis machine is disclosed that incorporates a water treatment module, a dialysate preparation module having a dialysate circuit, and an extracorporeal circuit including a dialyzer and arterial and venous blood lines that connect to the patient. The...
US5639373 (A), filed
Fri Aug 11 00:00:00 CDT 1995
, published
Tue Jun 17 00:00:00 CDT 1997
- ZENON ENVIRONMENTAL INC
A vertical skein of "fibers", opposed terminal portions of which are held in headers unconfined in a modular shell, is aerated with a gas-distribution means which produces a mass of bubbles serving the function of a scrub-brash for the outer surfaces of the...
US4256855 (A), filed
Thu Nov 16 00:00:00 CST 1978
, published
Tue Mar 17 00:00:00 CST 1981
- DOW CHEMICAL CO
Compounds represented by the formula IMAGE and addition polymers thereof where m is an integer from 2 to about 10, x-is chlorine, hydroxy, carboxy or -AC-R)=CH2 -R is hydrogen or methyl, -R' is an ethylene or propylene group and -AC-R)=CH2 is one of IMAGE ...
US5165395 (A), filed
Fri Feb 14 00:00:00 CST 1992
, published
Tue Nov 24 00:00:00 CST 1992
- RICCI MARK R
A germicidal mask system to be worn by a user kills germs, viruses, or other pathogens which are located in the air to be breathed by the user. Before entering the mask, the air is exposed to ultra-violet radiation killing the undesirable germs, viruses, and...
US5059288 (A), filed
Tue Nov 21 00:00:00 CST 1989
, published
Tue Oct 22 00:00:00 CDT 1991
- HARBORCHEM
High purity isopropyl acetate and ethanol are recovered from a process stream containing isopropyl acetate, ethanol and water by a multiple step process including extracting substantially all of the ethanol from the stream using water as a solvent, stripping...
US5922908 (A), filed
Thu Mar 27 00:00:00 CST 1997
, published
Tue Jul 13 00:00:00 CDT 1999
- TWENTY FIRST CENTURY RES CORP
This invention relates to methods of preparing dibasic acids, such as adipic acid for example, by oxidizing a hydrocarbon with a gas containing an oxidant, preferably oxygen. A respective hydrocarbon is reacted with a gaseous oxidant to form dibasic acid in a...
US6585806 (B2), filed
Tue May 16 00:00:00 CDT 2000
, published
Tue Jul 01 00:00:00 CDT 2003
- BENDIX COMMERCIAL VEHICLE SYS
An air dryer and reservoir assembly for providing compressed air from an air compressor (20) on a heavy motor vehicle which includes an air dryer (14) connected to receive compressed air from the air compressor (20) and a secondary reservoir (12), including an...
US7303680 (B2), filed
Fri Jun 13 00:00:00 CDT 2003
, published
Tue Dec 04 00:00:00 CST 2007
- BAXTER INT
A number of improvements relating to methods and apparatuses for kidney dialysis are disclosed. These include checking of dialysate bypass status using flow measurement; using a flow sensor to confirm the absence of ultrafiltration during bypass; automatic...
US4502921 (A), filed
Tue Aug 17 00:00:00 CDT 1982
, published
Tue Mar 05 00:00:00 CST 1985
- FOXBORO CO
Control of multiple distillation columns for producing anhydrous alcohol suitable for blending with gasoline to produce gasohol. The distillation process involves production of a first-stage distillate containing a predetermined amount of water, followed by...
US4920960 (A), filed
Fri Oct 02 00:00:00 CDT 1987
, published
Tue May 01 00:00:00 CDT 1990
- TECNOL INC
A face mask (10) is provided for covering the mouth and nose of a wearer (14). The mask (10) prevents the passage of liquid from external to the mask to the face of the wearer (14). The mask (10) has four layers including a special low density polyethylene...
US4507466 (A), filed
Fri Jan 07 00:00:00 CST 1983
, published
Tue Mar 26 00:00:00 CST 1985
- DOW CHEMICAL CO
Dense star polymers having terminal group densities greater than conventional star polymers exhibit greater and more uniform reactivity than their corresponding conventional star polymers. For example, a third generation, amine-terminated polyamidoamine dense...
US5290607 (A), filed
Mon Mar 02 00:00:00 CST 1992
, published
Tue Mar 01 00:00:00 CST 1994
- CHITOURAS COSTA G
A method and system for significantly increasing the density of particulates on a substrate includes disposing a particulate material, such as fibers or abrasive material, onto a surface of the substrate, whereby the particles adhere to the substrate. The...
US6248683 (B1), filed
Wed Apr 07 00:00:00 CDT 1999
, published
Tue Jun 19 00:00:00 CDT 2001
- SILICYCLE INC
The present invention is concerned a process for the regeneration of the spent silica gel used in chromatography and for any other kind of silica. The process comprises 5 main steps, namely:washing with an extractant of organic compounds and removing volatile...
US6109092 (A), filed
Wed Jan 05 00:00:00 CST 2000
, published
Tue Aug 29 00:00:00 CDT 2000
- EASTMAN KODAK CO
A method and apparatus for evaluating the end cap round transducer horn assemblies used in debubbling operations wherein the ECR THA can be evaluated off-line at both high and low power and on-line by making electrical measurements on the ECR THA. The...
US4375414 (A), filed
Fri Jan 21 00:00:00 CST 1977
, published
Tue Mar 01 00:00:00 CST 1983
- STRAHILEVITZ MEIR
Immunoassays of psychoactive drugs including psychotomimetic drugs, narcotic drugs, and tetrahydrocannabinols and treatment methods based on the antigenic properties of protein conjugates of these drugs. These methods are based upon treating the psychoactive...
US6253544 (B1), filed
Thu Oct 07 00:00:00 CDT 1999
, published
Tue Jul 03 00:00:00 CDT 2001
- LOCKHEED CORP
A method and apparatus are provided for improving the conversion efficiency of a catalytic converter for treating exhaust gases produced from the combustion of a fuel to at least reduce pollutants from incomplete combustion, wherein the reduction in pollutants...
US4422942 (A), filed
Wed Sep 09 00:00:00 CDT 1981
, published
Tue Dec 27 00:00:00 CST 1983
- ISCO INC
To stabilize flow rate in a single-stroke, syringe-type high pressure pump to a constant value after turn-on, a control system increases the pump speed until equilibrium conditions are reached and then pumps at the preset rate. In one embodiment, the control...
US6001221 (A), filed
Mon Jan 12 00:00:00 CST 1998
, published
Tue Dec 14 00:00:00 CST 1999
- BIG BEANS HOLDING LTD
Apparatus for condensing moisture from an air stream. The condenser includes concentric cylinders having a common wall. The outer cylinder contains a cooling material, such as water, and upon contact therewith, the air stream is cooled and moisture contained...
US4246081 (A), filed
Fri Mar 02 00:00:00 CST 1979
, published
Tue Jan 20 00:00:00 CST 1981
- WINNICK JACK
A method of removing sulfur oxides of H2S from high temperature gas mixtures (150 DEG -1000 DEG C.) is the subject of the present invention. An electrochemical cell is employed. The cell is provided with inert electrodes and an electrolyte which will provide...
US5160593 (A), filed
Wed Jul 17 00:00:00 CDT 1991
, published
Tue Nov 03 00:00:00 CST 1992
- CANDOR JAMES T
An apparatus and method for removing liquid from liquid bearing material are provided, the apparatus comprising a pair of electrode units having portions thereof disposed adjacent each other and defining an inlet to the adjacent portions and an outlet from the...
US6841016 (B1), filed
Thu Mar 02 00:00:00 CST 2000
, published
Tue Jan 11 00:00:00 CST 2005
- TNO
The invention is directed to a process for the production of crystalline energetic materials having improved stability and/or decreased sensitivity by crystallization of the energetic materials with ultrasonic vibration having a frequency of between 10 and 100...
US7449424 (B2), filed
Tue Mar 08 00:00:00 CST 2005
, published
Tue Nov 11 00:00:00 CST 2008
- GAS TECHNOLOGY INST
A method for producing a catalytically-active material having at least one base component and at least one catalytically-active component in which the at least one base component is heated to a softening or melting temperature to form a softened or molten base...
US5399244 (A), filed
Mon Dec 06 00:00:00 CST 1993
, published
Tue Mar 21 00:00:00 CST 1995
- GLITSCH
Benzene and other aromatics are separated from a stream of mixed hydrocarbons containing both aromatics and non-aromatics by extractive distillation with a solvent system containing dimethyl sulfoxide and optionally a co-solvent, preferably water, followed by...
US4782625 (A), filed
Fri Apr 03 00:00:00 CST 1987
, published
Tue Nov 08 00:00:00 CST 1988
- CANONIE ENVIRONMENTAL SERVICES
A method and apparatus for on-site remedial soil restoration activity of a work site contaminated with volatile organic compounds. Soil is removed from the ground and hauled to an initial feed hopper whereat it is conveyed to an inlet end of a hollow rotating...
US4568737 (A), filed
Fri Aug 17 00:00:00 CDT 1984
, published
Tue Feb 04 00:00:00 CST 1986
- DOW CHEMICAL CO
Dense star polymers having terminal group densities greater than conventional star polymers exhibit greater and more uniform reactivity than their corresponding conventional star polymers. For example, a third generation, amine-terminated polyamidoamine dense...
US4282287 (A), filed
Thu Jan 24 00:00:00 CST 1980
, published
Tue Aug 04 00:00:00 CDT 1981
- GIESE ROGER W
A multiple-layer process for applying, in alternate, successive layers, the protein, avidin, and a biotin-containing extender material to a solid surface to modify the properties of the surface and to the multiple-layer product so prepared.
US5795474 (A), filed
Mon Mar 06 00:00:00 CST 1995
, published
Tue Aug 18 00:00:00 CDT 1998
Disclosed is a method and apparatus for the continuous remediation of a site contaminated with a hazardous substance. The remediation apparatus includes a material selectively permeable to the hazardous substance located at the site. Once isolated, the...
US5798497 (A), filed
Mon Jun 19 00:00:00 CDT 1995
, published
Tue Aug 25 00:00:00 CDT 1998
- BATTELLE MEMORIAL INSTITUTE
The present invention provides a relatively compact self-powered, tunable waste conversion system and apparatus which has the advantage of highly robust operation which provides complete or substantially complete conversion of a wide range of waste streams...
US5660680 (A), filed
Mon Mar 07 00:00:00 CST 1994
, published
Tue Aug 26 00:00:00 CDT 1997
- UNIV CALIFORNIA
This invention relates to the area of microelectromechanical systems in which electronic circuits and mechanical devices are integrated on the same silicon chip. The method taught herein allows the fabrication of thin film structures in excess of 150 microns...
US5632791 (A), filed
Tue Dec 06 00:00:00 CST 1994
, published
Tue May 27 00:00:00 CDT 1997
- BHA GROUP INC
A filter cartridge according to the present invention is provided having a unitary structure with a pleat pack formed securely about an interior screen. Opposite ends of the pleat pack and interior screen are integrally formed within a bottom end cap and an...
US6964735 (B2), filed
Mon Dec 10 00:00:00 CST 2001
, published
Tue Nov 15 00:00:00 CST 2005
- ACLARA BIOSCIENCES INC
Devices and methods are disclosed for moving charged molecules through a medium by the application of a plurality of electrical fields of sufficient strength and applied for sufficient amounts of time so as to move the charged molecules through the medium. The...
US6773589 (B2), filed
Mon Apr 01 00:00:00 CST 2002
, published
Tue Aug 10 00:00:00 CDT 2004
A filtration apparatus includes a tank having an upper chamber and a lower baffle, layers of stone and carbon between the upper chamber and the lower baffle, a water inlet to the upper chamber, and a water outlet below the lower baffle. The upper chamber is...
US5244482 (A), filed
Thu Mar 26 00:00:00 CST 1992
, published
Tue Sep 14 00:00:00 CDT 1993
- UNIV TENNESSEE RES CORP
A method for post-treating a precursor nonwoven web including consolidating the web laterally and thereby reducing the maximum pore size measure of the web. The resultant nonwoven web is also disclosed as is utilization of the product web as a filter.
US4476246 (A), filed
Wed Jan 26 00:00:00 CST 1983
, published
Tue Oct 09 00:00:00 CDT 1984
- GRACE W R CO
Catalysts are made from supports which are doubly promoted with ceria and an alkali metal oxide by adding these promoters and the catalytic noble metal components in a specified order. The ceria is first applied to the support. It can be applied in a salt form...
US7204370 (B2), filed
Mon Jun 19 00:00:00 CDT 2006
, published
Tue Apr 17 00:00:00 CDT 2007
- PARKER INTANGIBLES LLC
A filter assembly includes housing enclosing a replaceable filter element. A support core is provided in the housing, and includes an extension and locking assembly. The element includes a ring of filtration media with a pair of end caps. The first end cap...
US4473474 (A), filed
Fri Oct 23 00:00:00 CDT 1981
, published
Tue Sep 25 00:00:00 CDT 1984
- AMF INC
A cationic charge modified microporous membrane, process for producing said membrane and use thereof are provided. The membrane comprises a hydrophilic organic polymeric microporous membrane and a charge modifying amount of a primary cationic charge modifying...
US6818254 (B1), filed
Tue Jul 16 00:00:00 CDT 1996
, published
Tue Nov 16 00:00:00 CST 2004
- ENGELHARD CORP
A method and apparatus for treating the atmosphere comprising moving a vehicle through the atmosphere, the vehicle having at least one atmosphere contacting surface and a pollutant treating composition located on said surface. A specific embodiment comprises...
US5988397 (A), filed
Thu Jul 17 00:00:00 CDT 1997
, published
Tue Nov 23 00:00:00 CST 1999
- TUBOSCOPE I P INC
A screen for a vibratory shaker having a frame with multiple openings. Screen modules or plugs are disposed in each opening. Further disclosed is a mounting apparatus for securing the screen plugs in the openings and a support strip for supporting part of a...
US5021136 (A), filed
Tue Jan 16 00:00:00 CST 1990
, published
Tue Jun 04 00:00:00 CDT 1991
- CANDOR JAMES T
An apparatus and method for removing liquid from liquid bearing material are provided, the apparatus comprising a pair of movable electrodes having portions thereof disposed adjacent each other and defining an inlet to the adjacent portions and an outlet from...
US6003196 (A), filed
Fri Jan 09 00:00:00 CST 1998
, published
Tue Dec 21 00:00:00 CST 1999
- ROYAL APPLIANCE MFG
An upright vacuum cleaner (A) includes an upright housing section (B) and a nozzle section (C). A cyclonic airflow dirt and dust separating chamber (54) is defined in said upright housing section. A suction source (E) pulls air and entrained dirt, dust, and...
US6983851 (B2), filed
Tue Nov 16 00:00:00 CST 2004
, published
Tue Jan 10 00:00:00 CST 2006
- PARKER INTANGIBLES LLC
A filter assembly includes housing enclosing a replaceable filter element. A support core is provided in the housing, and includes an extension and locking assembly. The element includes a ring of filtration media with a pair of end caps. The first end cap...
US7216767 (B2), filed
Thu Mar 03 00:00:00 CST 2005
, published
Tue May 15 00:00:00 CDT 2007
- VARCO INT
A screen mounting basket for a vibratory separator for separating components of material introduced into the basket, the vibratory separator including a collection receptacle beneath the basket, the basket including two opposed spaced-apart side walls having...
US5102643 (A), filed
Thu Jan 25 00:00:00 CST 1990
, published
Tue Apr 07 00:00:00 CDT 1992
- MOBIL OIL CORP
This invention relates to a new synthetic composition of ultra-large pore crystalline material, a method for its preparation and use thereof as sorbent and in catalytic conversion of organic compounds. The new crystalline material exhibits unusually large...
US5114553 (A), filed
Wed Aug 29 00:00:00 CDT 1990
, published
Tue May 19 00:00:00 CDT 1992
- CANDOR JAMES T
An apparatus and method for removing liquid from liquid bearing material are provided, the apparatus comprising a pair of electrodes having portions thereof disposed adjacent each other and defining an inlet to the adjacent portions and an outlet from the...
USRE40070 (E1), filed
Fri May 27 00:00:00 CDT 2005
, published
Tue Feb 19 00:00:00 CST 2008
- SMITHKLINE BEECHAM CORP
This invention relates to the application of hydrophobic interaction chromatography combination chromatography to the purification of antibody molecule proteins.?insert-start id="INS-S-00001" date="20080219" ?The questions raised in reexamination request,...
US6986426 (B2), filed
Thu Jan 13 00:00:00 CST 2005
, published
Tue Jan 17 00:00:00 CST 2006
- PARKER INTANGIBLES INC
A filter assembly includes housing enclosing a replaceable filter element. A support core is provided in the housing, and includes an extension and locking assembly. The element includes a ring of filtration media with a pair of end caps. The first end cap...
US4726903 (A), filed
Fri Apr 18 00:00:00 CST 1986
, published
Tue Feb 23 00:00:00 CST 1988
- DICKEY LELAND C
A continuous process for separating charged components of a fluid mixture is disclosed which comprises forming a sorption zone and a desorption zone, said sorption and desorption zones being separated by a boundary of a sorbent material which continuously...
US6156868 (A), filed
Thu May 13 00:00:00 CDT 1999
, published
Tue Dec 05 00:00:00 CST 2000
- RPC INC
This invention relates to methods of preparing dibasic acids, such as adipic acid for example, by oxidizing a hydrocarbon with a gas containing an oxidant, preferably oxygen. A respective hydrocarbon is reacted with a gaseous oxidant to form dibasic acid in a...
US4848223 (A), filed
Mon Aug 01 00:00:00 CDT 1988
, published
Tue Jul 18 00:00:00 CDT 1989
- MANSFIELD PETER W
A drainage system for expressing liquids and fluids from fibrous materials. The system includes a plurality of spaced apart compression elements each retained in juxaposition one to another so as to have a fluid escape slot between each adjacent compression...
US6294689 (B1), filed
Tue Sep 19 00:00:00 CDT 2000
, published
Tue Sep 25 00:00:00 CDT 2001
- RPC INC
This invention relates to oxidative methods for controlling the oxidation of a class of compounds, including hydrocarbons, such as cyclohexane for example, alcohols, such as cyclohexanol for example, ketones, such as cyclohexanone for example, and peroxides,...
US5417858 (A), filed
Fri May 14 00:00:00 CDT 1993
, published
Tue May 23 00:00:00 CDT 1995
- DERRICK MFG CORP
A screen assembly for a vibratory screening machine including a frame in the nature of a plate having spaced apertures therein, spaced frame members on opposite sides of the apertures, a screen formed in an undulating shape having substantially parallel ridges...
US6053028 (A), filed
Thu Jan 28 00:00:00 CST 1999
, published
Tue Apr 25 00:00:00 CDT 2000
- EASTMAN KODAK CO
A method and apparatus for evaluating the end cap round transducer horn assemblies used in debubbling operations wherein the ECR THA can be evaluated off-line at both high and low power and on-line by making electrical measurements on the ECR THA. The...
US5547551 (A), filed
Wed Mar 15 00:00:00 CST 1995
, published
Tue Aug 20 00:00:00 CDT 1996
- GORE ASS
An ultra-thin composite membrane is provided which includes a base material and an ion exchange resin. The base material is a membrane which is defined by a thickness of less than 1 mil (0.025 mm) and a microstructure characterized by nodes interconnected by...
US4668393 (A), filed
Tue May 14 00:00:00 CDT 1985
, published
Tue May 26 00:00:00 CDT 1987
- PARKER HANNIFIN CORP
A fuel filter has a semipermeable spiral baffle with an open circuitous spiral channel between spiral flights of filter media. Fuel may pass radially (inwardly or outwardly) through the media which preferentially slows water and other contaminants such that...
US6875256 (B2), filed
Wed Dec 10 00:00:00 CST 2003
, published
Tue Apr 05 00:00:00 CDT 2005
- DONALDSON CO INC
Methods for cleaning air intake for a gas turbine system include utilizing filter arrangements that include a barrier media, usually pleated, treated with a deposit of fine fibers. The media is particularly advantageous in high operating temperature (140 to...
US6143927 (A), filed
Fri Mar 12 00:00:00 CST 1999
, published
Tue Nov 07 00:00:00 CST 2000
- RPC INC
This invention relates to methods for controlling the oxidation of hydrocarbons to intermediate oxidation products, such as adipic acid for example, by removing the catalyst from the reaction mixture, outside the reaction zone, after the oxidation has taken...
US6794440 (B2), filed
Sat Jul 20 00:00:00 CDT 2002
, published
Tue Sep 21 00:00:00 CDT 2004
- APPLIED ELASTOMERICS INC
A soft gelatinous elastomer composition and article useful as fishing bait formed from one or a mixture of two or more of a hydrogenated styrene isoprene/butadiene block copolymer(s) and one or more plasticizers being in sufficient amounts to achieve a gel...
US4606968 (A), filed
Mon Jul 25 00:00:00 CDT 1983
, published
Tue Aug 19 00:00:00 CDT 1986
- STERN AND STERN TEXTILES INC
An electrostatic dissipating fabric constructed of a woven or knitted base fabric having an integrally woven or knitted grid structure which is raised above the surface of the base fabric thereby resulting in increased electrostatic dissipation performance....
US5159039 (A), filed
Wed Mar 21 00:00:00 CST 1990
, published
Tue Oct 27 00:00:00 CST 1992
- POLYSEP SURFACE TECHNOLOGIES I
Method of chromatographically separating a mixture by contacting said mixture under chromatographic separation conditions with a chromatographic separation stationary phase comprising an N-acyl diazepine polymer. In a preferred from, the polymer has been...
US6112572 (A), filed
Wed Jan 05 00:00:00 CST 2000
, published
Tue Sep 05 00:00:00 CDT 2000
- EASTMAN KODAK CO
A method and apparatus for evaluating the end cap round transducer horn assemblies used in debubbling operations wherein the ECR THA can be evaluated off-line at both high and low power and on-line by making electrical measurements on the ECR THA. The...
US4628037 (A), filed
Thu Jun 13 00:00:00 CDT 1985
, published
Tue Dec 09 00:00:00 CST 1986
- ADVANCED MAGNETICS INC
A process is provided for the preparation of magnetic particles to which a wide variety of molecules may be coupled. The magnetic particles can be dispersed in aqueous media without rapid settling and conveniently reclaimed from media with a magnetic field....
US7172693 (B2), filed
Tue Aug 09 00:00:00 CDT 2005
, published
Tue Feb 06 00:00:00 CST 2007
- REID ROGER P
A bracket system holds a filter(s) in quick-attach and quick-release fashion. Brackets are combined in modular fashion, with conduit between the brackets, to create a "bank" of filters easily changed in number, arrangement, and flow scheme. Top brackets and...
US6288270 (B1), filed
Thu Mar 06 00:00:00 CST 1997
, published
Tue Sep 11 00:00:00 CDT 2001
- RPC INC
Methods for controlling the reaction rate of a hydrocarbon to an acid by making phase-related adjustments are disclosed. In order to improve reaction rate of the oxidation, a single phase at the operating temperature is attained and maintained by adjusting one...
US7048878 (B2), filed
Mon Mar 24 00:00:00 CST 2003
, published
Tue May 23 00:00:00 CDT 2006
- ABTECH IND INC
A process for forming an oil-sorbent composition of matter with bound combinations of styrene-butadiene-styrene (SBS) and ethylene propylene diene monomer (EPDM) utilizes a low-temperature extrusion process. The SBS, or both materials, may be in the form of...
US7229560 (B2), filed
Mon Dec 06 00:00:00 CST 2004
, published
Tue Jun 12 00:00:00 CDT 2007
- ABTECH IND INC
One or more water- and oil-porous containers or sacks are made of a pair of mesh sheets affixed together and stiffened around their perimeter. The sacks can be partially filled with a multitude of tubular bodies made of an oil-entrapping polymer, which have...
US5186914 (A), filed
Fri Mar 15 00:00:00 CST 1991
, published
Tue Feb 16 00:00:00 CST 1993
- SOCIAL WELFARE FOUNDATION HOKK
An activated carbon has a pencil hardness of B-6B, pore size of 100-400 ANGSTROM , specific surface area of 150-500 m2/g, pore volume of 1.3-5.0 ml/g, and if desired, CEC of 8-13 and is composed of carbon microcrystals irregularly arranged. The activated...
US7276166 (B2), filed
Thu Aug 19 00:00:00 CDT 2004
, published
Tue Oct 02 00:00:00 CDT 2007
- KX TECHNOLOGIES LLC
A fiber-fiber composite is disclosed herein comprising majority fibers and minority fibers, the minority fibers having a softening point lower than said majority fibers such that when the admixture of majority fibers and minority fibers are wet laid to form a...
US5792227 (A), filed
Thu Mar 27 00:00:00 CST 1997
, published
Tue Aug 11 00:00:00 CDT 1998
- DONALDSON CO INC
Constructions and methods are described for collecting particulate material from gas streams. In one arrangement, there is an outer, air permeable cylindrical liner, and a first region of fibrous depth media positioned immediately adjacent to the air permeable...
US5076915 (A), filed
Fri Jun 22 00:00:00 CDT 1990
, published
Tue Dec 31 00:00:00 CST 1991
- CHEVRON RES
Disclosed is a gravity settler for separating finely divided solids such as coal fines from a liquid such as a mixture of coal oil and agglomerating agent by agglomeration. A feed slurry comprising finely divided solids and a liquid mixture of product oil and...
US6977043 (B2), filed
Wed Mar 17 00:00:00 CST 2004
, published
Tue Dec 20 00:00:00 CST 2005
- MYKROLIS CORP
Hollow fiber membranes having a skinned surface on one diameter, and a porous surface on the opposite diameter are produced from perfluorinated thermoplastic polymers by extruding a heated solution of the polymer having a low critical solution temperature...
US5800587 (A), filed
Wed Feb 12 00:00:00 CST 1997
, published
Tue Sep 01 00:00:00 CDT 1998
- DONALDSON CO INC
Constructions and methods are described for collecting particulate material from gas streams. In one specifically described arrangement, a region of depth media is oriented upstream of a second region of depth media. A surface loading media is positioned...
US6019809 (A), filed
Fri Mar 06 00:00:00 CST 1998
, published
Tue Feb 01 00:00:00 CST 2000
- DONALDSON CO INC
Constructions and methods are described for collecting particulate material from gas streams. In one specifically described arrangement, a region of depth media is oriented upstream of a second region of depth media. A surface loading media is positioned...
US7012136 (B2), filed
Mon Jul 07 00:00:00 CDT 2003
, published
Tue Mar 14 00:00:00 CST 2006
- TERUO OKANO
A separation material characterized by supporting, in its surface, a linear or crosslinked stimulus responsive polymer to which a substance A having specific affinity for a target substance and a low-molecular substance B having specific affinity for the...
US5578219 (A), filed
Fri Apr 07 00:00:00 CDT 1995
, published
Tue Nov 26 00:00:00 CST 1996
- AMCOL INTERNATIONAL CORP
A method of treating a water-swellable clay after the clay has been mined and dried to improve its properties when in contact with contaminated water. After the common initial drying of the clay to a moisture content of 12% by weight or less, the clay is...
US5207896 (A), filed
Fri Feb 09 00:00:00 CST 1990
, published
Tue May 04 00:00:00 CDT 1993
- NORWALK WASTEWATER EQUIPMENT C
A mechanism for wastewater treatment which includes a plurality of solids settling chambers, at least a primary, secondary and a tertiary filter for selectively filtering wastewater and effecting settling of solids of different sizes in the settling chambers...
US4867876 (A), filed
Fri Oct 02 00:00:00 CDT 1987
, published
Tue Sep 19 00:00:00 CDT 1989
- KOPF HENRY B
US5231980 (A), filed
Fri Jan 11 00:00:00 CST 1991
, published
Tue Aug 03 00:00:00 CDT 1993
- PRAXAIR CANADA INC
A process for the recovery of halogenated hydrocarbons from a gas stream comprises passing the gas stream through a bed of hydrophobic molecular sieve adsorbent, preferably of the high silica zeolite type. Such adsorbent has pore diameters large enough to...
US6924028 (B2), filed
Tue Sep 30 00:00:00 CDT 2003
, published
Tue Aug 02 00:00:00 CDT 2005
- DONALDSON CO INC
Disclosed are improved polymer materials. Also disclosed are fine fiber materials that can be made from the improved polymeric materials in the form of microfiber and nanofiber structures. The microfiber and nanofiber structures can be used in a variety of...
US4329435 (A), filed
Fri May 23 00:00:00 CDT 1980
, published
Tue May 11 00:00:00 CDT 1982
- ASAHI CHEMICAL IND
A novel fluorinated copolymer is prepared by copolymerization of a fluorinated olefin with a novel sulfur containing fluorinated vinyl ether of the formula: IMAGE wherein k is 0 or 1 and l is an integer of 3 to 5, which is prepared from starting materials...
US4359510 (A), filed
Thu Jul 31 00:00:00 CDT 1980
, published
Tue Nov 16 00:00:00 CST 1982
- CELANESE CORP
The present invention is directed to microporous membranes having a surfactant impregnated therein which is coated on at least one surface thereof with a polymer coating, such as cellulose acetate. The polymer coating possesses functional groups in the...
US4533529 (A), filed
Fri Oct 21 00:00:00 CDT 1983
, published
Tue Aug 06 00:00:00 CDT 1985
- STANDARD OIL CO
Sulfur species are removed from a Claus plant tail gas stream by contacting with zinc oxide in the presence of sufficient reducing equivalents for conversion of sulfur compounds to hydrogen sulfide. In another aspect, sulfur compounds are converted to hydrogen...
US4554307 (A), filed
Fri Nov 16 00:00:00 CST 1984
, published
Tue Nov 19 00:00:00 CST 1985
- ALLIED COLLOIDS LTD
US5951863 (A), filed
Mon Jun 20 00:00:00 CDT 1994
, published
Tue Sep 14 00:00:00 CDT 1999
- ABBOTT LAB
Medical drug formulation and delivery system includes a reverse osmosis device for purifying water from a source comprising a housing having an inlet for passage of water from the source, a first outlet for passage of purified water from the housing and a...
US4692245 (A), filed
Mon Oct 07 00:00:00 CDT 1985
, published
Tue Sep 08 00:00:00 CDT 1987
- PARKER HANNIFIN CORP
A filter assembly and associated collection bowl for a dual contaminant collection zone arrangement use a self-sealing o-ring in combination with a threaded mating arrangement in order to withstand high pressure differentials. The filter assembly includes an...
US6197767 (B1), filed
Wed Oct 07 00:00:00 CDT 1998
, published
Tue Mar 06 00:00:00 CST 2001
- PARACURE INC
The invention provides various derivatives of arglabin, a sesquiterpene lactone isolated from Artemisia glabella. These compounds are effective for suppressing tumor growth in mammals. A method of suppressing tumor growth in humans is also described.
US5154809 (A), filed
Fri Oct 06 00:00:00 CDT 1989
, published
Tue Oct 13 00:00:00 CDT 1992
- MILLIPORE CORP
A process is provided for removing ions from water which is passed through an ion depletion compartment of an electrodeionization apparatus. The electrodeionization apparatus contains an ion depletion compartment containing mixed ion exchange resin beads and...
US6161418 (A), filed
Wed Jan 05 00:00:00 CST 2000
, published
Tue Dec 19 00:00:00 CST 2000
- EASTMAN KODAK CO
A method and apparatus for evaluating the end cap round transducer horn assemblies used in debubbling operations wherein the ECR THA can be evaluated off-line at both high and low power and on-line by making electrical measurements on the ECR THA. The...
