Top 100 US Patents in Polymerisation (C2C)
section c - chemistry; metallurgy > organic macromolecular compounds; their preparation or chemical working-up; compositions based thereon > macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
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US4495313 (A), filed
Fri Mar 19 00:00:00 CST 1982
, published
Tue Jan 22 00:00:00 CST 1985
- MIA LENS PROD
Soft contact lenses are made by polymerizing a substantially anhydrous polymerization mixture containing a polymerizable acrylic or methacrylic monomer, and a water displaceable ester of boric acid and a compound containing 3 or more hydroxyl groups so as to...
US5096867 (A), filed
Thu Sep 13 00:00:00 CDT 1990
, published
Tue Mar 17 00:00:00 CST 1992
- EXXON CHEMICAL PATENTS INC
The invention is a catalyst system including a Group IV B transition metal component and an alumoxane component which may be employed to polymerize olefins to produce a high molecular weight polymer.
US5191010 (A), filed
Tue Oct 23 00:00:00 CDT 1990
, published
Tue Mar 02 00:00:00 CST 1993
- NIPPON ZEON CO
An emulsion having a dye developing property, comprising aqueous polymer emulsion particles and contained therein, an organic dye developer.
US4892851 (A), filed
Fri Jul 15 00:00:00 CDT 1988
, published
Tue Jan 09 00:00:00 CST 1990
- FINA TECHNOLOGY
US5431563 (A), filed
Fri Jul 08 00:00:00 CDT 1994
, published
Tue Jul 11 00:00:00 CDT 1995
- HUYBRECHTS ROBERT
A thermoplastic article formed of a composition for customizable molding parts of devices such as dental plates or hand grips or sports equipment comprises a composition which is set below 37 DEG C. and is conformably moldable between about 50 DEG C. and 95...
US6232420 (B1), filed
Wed Dec 30 00:00:00 CST 1998
, published
Tue May 15 00:00:00 CDT 2001
- EXXON MOBIL CHEM PATENTS INC
Ionic catalyst compositions can be prepared by combining two components. The first component is a bis(cyclopentadienyl) Group IV-B metal complex containing at least one ligand which will combine irreversibly with the second component or at least a portion...
US5369203 (A), filed
Wed Apr 21 00:00:00 CDT 1993
, published
Tue Nov 29 00:00:00 CST 1994
Novel fumaronitriles and dicyanophenanthrenes, for example, bis(4-fluorophenyl)fumaronitrile and 3,6-difluoro-9,10-dicyanophenanthrene which can be produced from the fumaronitrile, produce useful homopolymers and copolymers for high temperature applications;...
US5118769 (A), filed
Tue Jul 05 00:00:00 CDT 1988
, published
Tue Jun 02 00:00:00 CDT 1992
- TOYO SODA MFG CO LTD
A manufacturing method of polyolefin is disclosed wherein the catalyst used for the polymerization of alpha -olefins at a temperature lower than the melting point of polymer in the presence of said Ziegler type catalyst and hydrogen comprises of (A) solid...
US6274684 (B1), filed
Fri Oct 22 00:00:00 CDT 1999
, published
Tue Aug 14 00:00:00 CDT 2001
- UNIVATION TECH LLC
Catalyst compositions and methods, useful in polymerization processes, utilizing at least two metal compounds are disclosed. At least one of the metal compounds is a Group 15 containing metal compound and the other metal compound is preferably a bulky ligand...
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 ...
US4504630 (A), filed
Mon Sep 28 00:00:00 CDT 1981
, published
Tue Mar 12 00:00:00 CST 1985
- PPG INDUSTRIES INC
Novel acrylic polymers with pendant unsaturation are disclosed. Also disclosed is a wide variety of amine-containing acrylic resinous compositions prepared therefrom. These compositions are useful for coating applications, particularly cationic electrodepositi...
US5034468 (A), filed
Mon Nov 20 00:00:00 CST 1989
, published
Tue Jul 23 00:00:00 CDT 1991
- EXXON CHEMICAL PATENTS INC
N-halothiosulfonamide-modified rubber products are provided. The modified rubber products are prepared by reaction of a rubber, such as a butyl rubber or a halogenated butyl rubber, with a N-halothiosulfonamide in the absence or in the presence of a catalyst.
US5151467 (A), filed
Thu Oct 24 00:00:00 CDT 1991
, published
Tue Sep 29 00:00:00 CDT 1992
- EXXON CHEMICAL PATENTS INC
N-halothiosulfonamide-modified rubber products are provided. The modified rubber products are prepared by reaction of a rubber, such as a butyl rubber or a halogenated butyl rubber, with a N-halothiosulfonamide in the absence or in the presence of a catalyst.
US7084218 (B2), filed
Fri Aug 26 00:00:00 CDT 2005
, published
Tue Aug 01 00:00:00 CDT 2006
- EXXONMOBIL CHEM PATENTS INC
Improved thermoplastic polymer blend compositions comprising an isotactic polypropylene component and an alpha-olefin and propylene copolymer component, said copolymer comprising crystallizable alpha-olefin sequences. In a preferred embodiment, improved...
US7122498 (B2), filed
Fri Jun 29 00:00:00 CDT 2001
, published
Tue Oct 17 00:00:00 CDT 2006
- EXXONMOBIL CHEM PATENTS INC
Metallocenes and catalyst systems for olefin polymerization derived therefrom. The metallocenes may be represented by the formula: wherein MSUP1 /SUPpreferably is zirconium or hafnium; and RSUP12 /SUPis different from hydrogen.
US4742085 (A), filed
Tue Apr 14 00:00:00 CDT 1987
, published
Tue May 03 00:00:00 CDT 1988
- GOODRICH CO B F
US6998445 (B2), filed
Tue Jul 09 00:00:00 CDT 2002
, published
Tue Feb 14 00:00:00 CST 2006
- ACUSHNET CO
A low compression, resilient golf ball having a center including a material formed from the conversion reaction of sufficient amounts of polybutadiene, a free radical source, and a cis-to-trans catalyst to convert a portion of cis-isomer to trans-isomer in the...
US4927889 (A), filed
Tue Oct 27 00:00:00 CST 1987
, published
Tue May 22 00:00:00 CDT 1990
- ASAHI CHEMICAL IND
US7026405 (B2), filed
Wed Feb 02 00:00:00 CST 2005
, published
Tue Apr 11 00:00:00 CDT 2006
- EXXONMOBIL CHEM PATENTS INC
Polymer blend compositions of a first polymer component comprising an ethylene propylene copolymer and a second polymer component comprising an isotactic polypropylene copolymer. The first polymer component has a uniform distribution of both tacticity and...
US6245706 (B1), filed
Fri Oct 11 00:00:00 CDT 1996
, published
Tue Jun 12 00:00:00 CDT 2001
- EXXON CHEMICAL PATENTS INC
An ionic polymerization catalyst system component comprising a stable and bulky anion containing a plurality of boron atoms, such as those selected from the group consisting of polynuclear boranes, carboranes, and metallacarboranes useful for polymerizing...
US7049372 (B2), filed
Fri Dec 09 00:00:00 CST 2005
, published
Tue May 23 00:00:00 CDT 2006
- EXXONMOBIL CHEM PATENTS INC
Improved thermoplastic polymer blend compositions comprising an isotactic polypropylene component and an alpha-olefin and propylene copolymer component, said copolymer comprising crystallizable alpha-olefin sequences. In a preferred embodiment, improved...
US5091488 (A), filed
Fri Dec 01 00:00:00 CST 1989
, published
Tue Feb 25 00:00:00 CST 1992
- AGENCY IND SCIENCE TECHN
A novel polyethynylacetylene derivative represented by the formula IMAGE wherein R is H, (C1-7) alkyl, phenyl, benzyl, naphthyl, carbazole, (C2-7) vinyl-alkyl -CX1X2(OH) or -SiX1X2X3 in which X1, X2 and X3 are H, (C1-7) alkyl, phenyl or benzyl, with the...
US6787501 (B2), filed
Mon Jun 24 00:00:00 CDT 2002
, published
Tue Sep 07 00:00:00 CDT 2004
- EXXONMOBIL CHEM PATENTS INC
The invention relates to a molecular sieve catalyst composition, to a method of making or forming the molecular sieve catalyst composition, and to a conversion process using the catalyst composition. In particular, the invention is directed to making a...
US7205371 (B2), filed
Fri Jan 20 00:00:00 CST 2006
, published
Tue Apr 17 00:00:00 CDT 2007
- EXXONMOBIL CHEM PATENTS INC
Polymer blend compositions of a first polymer component comprising an ethylene propylene copolymer and a second polymer component comprising an isotactic polypropylene copolymer. The first polymer component has a uniform distribution of both tacticity and...
US4328323 (A), filed
Tue Sep 30 00:00:00 CDT 1980
, published
Tue May 04 00:00:00 CDT 1982
- UNION CARBIDE CORP
The disclosure of this application is directed to the production of silane modified copolymers of alkylene-alkyl acrylates by reacting a mixture containing a polysiloxane, particularly an organo titanate containing polysiloxane and a copolymer of alkylene-alky...
US4970254 (A), filed
Thu Sep 22 00:00:00 CDT 1988
, published
Tue Nov 13 00:00:00 CST 1990
- SHELL OIL CO
US6617466 (B1), filed
Mon Mar 02 00:00:00 CST 1992
, published
Tue Sep 09 00:00:00 CDT 2003
- EXXONMOBIL CHEM PATENTS INC
The invention is a catalyst system including a Group IV B transition metal component and an alumoxane component which may be employed to polymerize olefins to produce a high molecular weight polymer.
US4349612 (A), filed
Fri Mar 30 00:00:00 CST 1979
, published
Tue Sep 14 00:00:00 CDT 1982
- ALLOY SURFACES CO INC
A metal web having a pyrophoric surface is coated by a solid or liquid that does not block the pyrophoric property and undergoes a pyrophoricity-intensifying exothermic change when subjected to the pyrophoricity of that surface.
US4524196 (A), filed
Mon Nov 07 00:00:00 CST 1983
, published
Tue Jun 18 00:00:00 CDT 1985
- DU PONT
"Living" polymers and their preparation from acrylic-type or maleimide monomers and organosilicon, -tin or -germanium initiators.
US4368133 (A), filed
Wed Feb 25 00:00:00 CST 1981
, published
Tue Jan 11 00:00:00 CST 1983
- LUBRIZOL CORP
Combinations of carboxylic solubilizers, made by reaction of an acylating agent with an N-(hydroxyl-substituted hydrocarbyl) amine and surfactants are useful in incorporating oil-soluble, water-insoluble functional additives into aqueous systems. Typical...
US5393843 (A), filed
Mon Aug 31 00:00:00 CDT 1992
, published
Tue Feb 28 00:00:00 CST 1995
- SHELL OIL CO
Hydrogenated butadiene polymers having terminal functional groups have minimum viscosity at any molecular weight when the 1,2-addition is between 30% and 70%. Hydrogenated butadiene polymers having about two terminal hydroxyl groups per molecule have...
US7105609 (B2), filed
Thu Feb 09 00:00:00 CST 2006
, published
Tue Sep 12 00:00:00 CDT 2006
- EXXONMOBIL CHEM PATENTS INC
Improved thermoplastic polymer blend compositions comprising an isotactic polypropylene component and an alpha-olefin and propylene copolymer component, said copolymer comprising crystallizable alpha-olefin sequences. In a preferred embodiment, improved...
US4417034 (A), filed
Thu Jun 17 00:00:00 CDT 1982
, published
Tue Nov 22 00:00:00 CST 1983
- DU PONT
"Living" polymers and their preparation from acrylic-type or maleimide monomers and organosilicon, -tin or -germanium initiators.
US6258870 (B1), filed
Mon Jan 13 00:00:00 CST 1997
, published
Tue Jul 10 00:00:00 CDT 2001
- UNIV TEXAS
This invention provides novel methods for the formation of biocompatible membranes around biological materials using photopolymerization of water soluble molecules. The membranes can be used as a covering to encapsulate biological materials or biomedical...
US7230128 (B2), filed
Fri May 10 00:00:00 CDT 2002
, published
Tue Jun 12 00:00:00 CDT 2007
- PHILLIPS POTROLEUM COMPANY
Fluorenyl-containing metallocenes are disclosed along with methods for making the metallocenes. Also disclosed are methods for using the metallocenes as polymerization catalysts. In addition, polymers resulting from such polymerizations are disclosed.
US5037917 (A), filed
Fri Jun 09 00:00:00 CDT 1989
, published
Tue Aug 06 00:00:00 CDT 1991
- DOW CHEMICAL CO
A process for preparing a polymer having perfluorocyclobutane rings by the steps of (a) contacting monomers having at least two dimerizable perfluorovinyl groups; and (b) exposing the monomers to sufficient heat and for a sufficient time that a polymer...
US4130705 (A), filed
Thu Mar 31 00:00:00 CST 1977
, published
Tue Dec 19 00:00:00 CST 1978
- CESKOSLOVENSKA AKADEMIE VED
The invention relates to polymers and copolymers of pivaloyloxyalkyl methacrylates which contain structural units of the general formula IMAGE where R1 is (CH2)n1-O (n1 = 2 to 10) or (CH2CH2-O)n2 (n2 = 1 to 4) and to the method of their preparation and...
US4281082 (A), filed
Wed Dec 26 00:00:00 CST 1979
, published
Tue Jul 28 00:00:00 CDT 1981
- HERCULES INC
Disclosed are novel organic pigments adapted particularly for use as fillers for paper. The organic pigments are finely divided particles obtained by graft copolymerizing an ethylenically unsaturated monomer, such as styrene, onto a water-soluble cationic...
US4754009 (A), filed
Thu Sep 04 00:00:00 CDT 1986
, published
Tue Jun 28 00:00:00 CDT 1988
- DU PONT
Amorphous copolymer of perfluoro-2,2-dimethyl-1,3-dioxide with at least one fluoro comonomer selected from one or more of ten defined classes having a recited minimum mole proportion of perfluoro-2,2-dimethyl-1,3-dioxole, in no event less than 65%, have high...
US5086028 (A), filed
Wed Sep 26 00:00:00 CDT 1990
, published
Tue Feb 04 00:00:00 CST 1992
- EXXON CHEMICAL PATENTS INC
A catalyst composition is provided which comprises at least one specified metal salt of a weak acid and a zinc salt of a weak acid or an iron salt of a weak acid. A process for preparing a N-halothio-sulfonamide-modified terpolymer of ethylene, an alpha olefin...
US4576850 (A), filed
Thu Jul 20 00:00:00 CDT 1978
, published
Tue Mar 18 00:00:00 CST 1986
- MINNESOTA MINING MFG
An article comprising a shaped, plastic layer or body comprising crosslinked polymer with hard and soft segments or moieties and having a microstructure-bearing surface is prepared by a process comprising filling a mold master, bearing or encoded with the...
US5334681 (A), filed
Fri Dec 17 00:00:00 CST 1993
, published
Tue Aug 02 00:00:00 CDT 1994
- CIBA GEIGY CORP
Fluorine and/or silicone containing block copolymers are described which are the copolymerization product of mono; di- or trivinyl substituted poly(ethylene oxide) prepolymers (A) and fluoroalkyl-alkylene acrylates or methacrylates (B1), oligosiloxy-silyl...
US4268470 (A), filed
Tue Sep 19 00:00:00 CDT 1978
, published
Tue May 19 00:00:00 CDT 1981
- NAT RES DEV
Oriented polymer material of high Young's modulus and low creep strain is provided by a process which comprises drawing polymer material having a weight average molecular weight greater than 300,000 and a ratio of weight average molecular weight to number...
US4575330 (A), filed
Wed Aug 08 00:00:00 CDT 1984
, published
Tue Mar 11 00:00:00 CST 1986
- UVP INC
US4575330 (B1), filed
Wed Aug 08 00:00:00 CDT 1984
, published
Tue Dec 19 00:00:00 CST 1989
US4582865 (A), filed
Thu Dec 06 00:00:00 CST 1984
, published
Tue Apr 15 00:00:00 CST 1986
- BIOMATRIX INC
Disclosed are cross-linked gels of hyaluronic acid, alone or mixed with other hydrophilic polymers and containing various substances or covalently bonded low molecular weight substances and processes for preparing them. These products are useful in numerous...
US4329249 (A), filed
Wed Sep 27 00:00:00 CDT 1978
, published
Tue May 11 00:00:00 CDT 1982
- LUBRIZOL CORP
Nitrogen-containing phosphorus-free carboxylic acid derivatives made by reaction of an acylating agent with an alkanol tertiary monoamine are described. Typically the carboxylic acylating agent is an alkyl or alkenyl succinic anhydride containing about 20 to...
US4435481 (A), filed
Mon Jul 28 00:00:00 CDT 1980
, published
Tue Mar 06 00:00:00 CST 1984
- ALLOY SURFACES CO INC
Pyrophorically activated surfaces of metal foil or screen, prepared by diffusing into surface a selectably removable second metal that is then selectively removed as by leaching, can be covered with reactive or inert materials. Reactive materials such as...
US5039765 (A), filed
Tue Oct 31 00:00:00 CST 1989
, published
Tue Aug 13 00:00:00 CDT 1991
- BASF AG
High density ethylene polymers are prepared by polymerizing the monomers in the presence of a Ziegler catalyst system by a process in which the resulting solid ethylene polymer is reacted in the melt with an additive capable of binding acids by esterification....
US4308160 (A), filed
Thu Jun 23 00:00:00 CDT 1977
, published
Tue Dec 29 00:00:00 CST 1981
- ALLOY SURFACES CO INC
Diffusion chromizing of nickel-base superalloys is effected with essentially no formation of oxide or alphachrome, even in a high-volume diffusion coating pack, by use of a pack consisting essentially of, by weight, about 2 to about 3% aluminum about 3 to...
US4707440 (A), filed
Mon Jan 30 00:00:00 CST 1984
, published
Tue Nov 17 00:00:00 CST 1987
- ENZO BIOCHEM INC
A detectable molecule of the formula A3-(-X-R1-E-Detb)m where A3 is A2 or a polymer, where A3 has at least one modifiable reactive group selected from the group consisting of amino, hydroxy, cis OH, halides, aryl, imidazoyl, carbonyl, carboxy, thiol or a...
US5272236 (A), filed
Tue Oct 15 00:00:00 CDT 1991
, published
Tue Dec 21 00:00:00 CST 1993
- DOW CHEMICAL CO
Substantially linear olefin polymers having a melt flow ratio, I10/I2, /=5.63, a molecular weight distribution, Mw/Mn, defined by the equation: Mw/Mn/=(I10/I2)-4.63, and a critical shear stress at onset of gross melt fracture of greater than about 4x106...
US4369289 (A), filed
Thu Aug 20 00:00:00 CDT 1981
, published
Tue Jan 18 00:00:00 CST 1983
- UNION CARBIDE CORP
Relatively stable masterbatch compositions are provided comprising a matrix having a polysiloxane dispersed therein, prepared by admixing a solid or liquid matrix, a monomeric silane and a silane condensation catalyst with the result that the monomeric silane...
US7425218 (B2), filed
Tue Jan 08 00:00:00 CST 2002
, published
Tue Sep 16 00:00:00 CDT 2008
- US HEALTH
An implant or intravascular stent comprising a polymeric composition capable of releasing nitric oxide under physiological conditions. The polymeric composition comprises a polymer and at least one nitric oxide-releasing NSUB2/SUBOSUB2/SUBSUP-/SUP functional...
US6210537 (B1), filed
Mon Jun 19 00:00:00 CDT 1995
, published
Tue Apr 03 00:00:00 CDT 2001
- LYNNTECH INC
The present invention provides electronically conducting polymer films formed from photosensitive formulations of pyrrole and an electron acceptor that have been selectively exposed to UV light, laser light, or electron beams. The formulations may include...
US4293666 (A), filed
Mon Jun 23 00:00:00 CDT 1980
, published
Tue Oct 06 00:00:00 CDT 1981
- HERCULES INC
Disclosed are novel organic pigments adapted particularly for use as fillers for paper. The organic pigments are finely divided particles obtained by graft copolymerizing an ethylenically unsaturated monomer, such as styrene, onto a water-soluble cationic...
US4820768 (A), filed
Wed Apr 02 00:00:00 CST 1986
, published
Tue Apr 11 00:00:00 CDT 1989
- ASAHI CHEMICAL IND
A modified block copolymer composition comprising a thermoplastic polymer and a modified block copolymer consisting essentially of a base block copolymer of a monovinyl substituted aromatic hydrocarbon polymer block and an olefin compound polymer block having...
US7101960 (B2), filed
Wed Jul 07 00:00:00 CDT 2004
, published
Tue Sep 05 00:00:00 CDT 2006
- GENZYME CORP
The invention relates to a method for reducing serum cholesterol in a patient in need thereof and alkylated and crosslinked poly(allylamine) polymers useful in the method. The alkylated and crosslinked poly(allylamine) polymers are crosslinked with epichlorohy...
US6852766 (B1), filed
Thu Dec 12 00:00:00 CST 2002
, published
Tue Feb 08 00:00:00 CST 2005
- 3M INNOVATIVE PROPERTIES CO
A method of multiphoton photosensitizing a photoreactive composition comprises irradiating the composition with light sufficient to cause simultaneous absorption of at least two photons, thereby inducing at least one acid- or radical-initiated chemical...
US5380785 (A), filed
Mon Apr 05 00:00:00 CDT 1993
, published
Tue Jan 10 00:00:00 CST 1995
- GOODYEAR TIRE RUBBER
There is a need for polymers which are utilized in automotive interiors which offer increased heat and ultraviolet light resistance. It is particularly critical for polymers which are utilized in making skin compounds for automotive instrument and door panels...
US7439384 (B2), filed
Fri Apr 16 00:00:00 CDT 2004
, published
Tue Oct 21 00:00:00 CDT 2008
- ATOFINA
The present invention relates to a process for the preparation of a peroxyester which can be used in particular in polymerizations, such as the polymerization of vinyl chloride, or in the thermosetting of polyester resins. This process comprises the reaction...
US6921794 (B2), filed
Thu Jan 23 00:00:00 CST 2003
, published
Tue Jul 26 00:00:00 CDT 2005
- EXXONMOBIL CHEM PATENTS INC
Polymer blend compositions of a first polymer component comprising an ethylene propylene copolymer and a second polymer component comprising an isotactic polypropylene copolymer. The first polymer component has a uniform distribution of both tacticity and...
US4626554 (A), filed
Fri Nov 29 00:00:00 CST 1985
, published
Tue Dec 02 00:00:00 CST 1986
- ATLANTIC RICHFIELD CO
Styrenic polymer beads that are useful in forming foamed cups with improved strength and thermal properties are prepared by forming an aqueous suspension of initial styrenic polymer beads and adding thereto an emulsion of a comonomer solution of styrenic...
US6087186 (A), filed
Thu Feb 02 00:00:00 CST 1995
, published
Tue Jul 11 00:00:00 CDT 2000
- IRORI
The present invention provides labeled synthetic libraries of random oligomers and methods and apparatus for generating labeled synthetic oligomer libraries. Each member of such a library is labeled with a unique identifier tag that specifies the structure or...
US6787658 (B2), filed
Fri Nov 21 00:00:00 CST 2003
, published
Tue Sep 07 00:00:00 CDT 2004
- EASTMAN CHEM CO
Disclosed are thermally-stable, anthraquinone colorant compounds (dyes) which contain one or more vinyl groups which render the compounds copolymerizable with reactive vinyl monomers to produce colored, polymeric compositions such as acrylate and methacrylate...
US6870062 (B2), filed
Fri Nov 21 00:00:00 CST 2003
, published
Tue Mar 22 00:00:00 CST 2005
- EASTMAN CHEM CO
Disclosed are thermally-stable, anthraquinone colorant compounds (dyes) which contain one or more vinyl groups which render the compounds copolymerizable with reactive vinyl monomers to produce colored, polymeric compositions such as acrylate and methacrylate...
US4454255 (A), filed
Thu Apr 01 00:00:00 CST 1982
, published
Tue Jun 12 00:00:00 CDT 1984
- BASF WYANDOTTE CORP
White graft polymer dispersions in polyoxyalkylene polyether polyols are employed together with flame retardant compounds to prepare flame retardant polyurethane foams. The polymer dispersions employ less than 0.1 mole of induced unsaturation per mole of...
US6348623 (B2), filed
Wed Dec 06 00:00:00 CST 2000
, published
Tue Feb 19 00:00:00 CST 2002
- EASTMAN CHEM CO
The specification describes various polymers having monomer of formula (I):In formula (I), R1 and R2 are, independently, hydrogen, a C1-C24 alkyl group, an aromatic or heteroaromatic group, a C3-C8 cycloalkyl or C2-C7 heterocycloalkyl group, or a -C(O)R3 group...
US6111037 (A), filed
Fri Oct 31 00:00:00 CST 1997
, published
Tue Aug 29 00:00:00 CDT 2000
- CHEVRON CHEM CO
An amorphous aluminophosphate composition is provided which exhibits a microstructure of sheets and spheres of silica-modified aluminophosphate. Also provided is a method for preparing the composition comprising mixing an aqueous solution containing aluminum...
US4275183 (A), filed
Fri Jul 27 00:00:00 CDT 1979
, published
Tue Jun 23 00:00:00 CDT 1981
- KUZMA PETER
There is prepared a hydrophilic water swellable, water insoluble copolymer of (1) at least 35% of a hydroxy (C2-C4-alkyl)-2-alkenoate, (2) 30 to 60% of a 2-alkenamide or an N, N-di (C1-C6-alkyl)2-alkenamide, (3) 5 to 20% of R -OR1-xZ where R is C1-C6 alkyl, R1...
US5986043 (A), filed
Tue Aug 20 00:00:00 CDT 1996
, published
Tue Nov 16 00:00:00 CST 1999
- UNIV TEXAS
Hydrogels of polymerized and crosslinked macromers comprising hydrophilic oligomers having biodegradable monomeric or oligomeric extensions, which biodegradable extensions are terminated on free ends with end cap monomers or oligomers capable of polymerization...
US6608155 (B2), filed
Wed Jan 07 00:00:00 CST 1998
, published
Tue Aug 19 00:00:00 CDT 2003
- EASTMAN CHEMICAL RESINS INC
Supported metal halides and metal halide solid acids are used as catalysts for the polymerization of a feed stream containing at least one of pure monomer, C5 monomers, and C9 monomers to produce hydrocarbon resins. Freely-associated water may be removed from...
US6911227 (B2), filed
Mon Mar 19 00:00:00 CST 2001
, published
Tue Jun 28 00:00:00 CDT 2005
- NOVOCELL INC
This invention provides novel methods for the formation of biocompatible membranes around biological materials using photopolymerization of water soluble molecules. The membranes can be used as a covering to encapsulate biological materials or biomedical...
US4293667 (A), filed
Mon Jun 23 00:00:00 CDT 1980
, published
Tue Oct 06 00:00:00 CDT 1981
- HERCULES INC
Disclosed are novel organic pigments adapted particularly for use as fillers for paper. The organic pigments are finely divided particles obtained by graft copolymerizing an ethylenically unsaturated monomer, such as styrene, onto a water-soluble cationic...
US4855074 (A), filed
Mon Mar 14 00:00:00 CST 1988
, published
Tue Aug 08 00:00:00 CDT 1989
- ETHYL PETROLEUM ADDITIVES INC
US7157522 (B2), filed
Thu Feb 09 00:00:00 CST 2006
, published
Tue Jan 02 00:00:00 CST 2007
- EXXONMOBIL CHEM PATENTS INC
Improved thermoplastic polymer blend compositions comprising an isotactic polypropylene component and an alpha-olefin and propylene copolymer component, said copolymer comprising crystallizable alpha-olefin sequences. In a preferred embodiment, improved...
US5455359 (A), filed
Fri Oct 01 00:00:00 CDT 1993
, published
Tue Oct 03 00:00:00 CDT 1995
- RES CORP TECHNOLOGIES INC
The present invention relates to bis-imidazolyl compounds of the formula: IMAGE and polymers having the above-identified bis-imidazolyl compounds as a polymerizable unit. The present invention further relates to a method for scavenging trace quantities of...
US5455359 (B1), filed
Fri Oct 01 00:00:00 CDT 1993
, published
Tue May 05 00:00:00 CDT 1998
- RES CORP TECHNOLOGIES INC
US4329434 (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 cation exchange membrane containing carboxylic acid groups and sulfonic acid groups, both in the form of a specific pendant structure, the carboxylic acid groups being at least 20% on one surface of the membrane and gradually decreasing...
US5227457 (A), filed
Wed Aug 23 00:00:00 CDT 1989
, published
Tue Jul 13 00:00:00 CDT 1993
- MAXDEM INC
High-performance polymers having a rigid-rod backbone comprising a chain length of at least 25 organic monomer units joined together by covalent bonds wherein at least about 95% of the bonds are substantially parallel; and solubilizing organic groups attached...
US5639849 (A), filed
Fri Mar 01 00:00:00 CST 1996
, published
Tue Jun 17 00:00:00 CDT 1997
Novel fumaronitriles and dicyanophenanthrenes, for example, bis(4-fluorophenyl)fumaronitrile and 3,6-difluoro-9,10-dicyanophenanthrene which can be produced from the fumaronitrile, produce useful homopolymers and copolymers for high temperature applications;...
US4980435 (A), filed
Mon Sep 18 00:00:00 CDT 1989
, published
Tue Dec 25 00:00:00 CST 1990
- CONOCO INC
Terpolymers having enhanced pour point depressant properties are disclosed which comprise (1) an alkyl ester of unsaturated monocarboxlic acid, (2) an olefinically unsatured homo or heterocyclic-nitrogen compound, and (3) an allyl acrylate or methacrylate or a...
US4247673 (A), filed
Mon Oct 15 00:00:00 CDT 1979
, published
Tue Jan 27 00:00:00 CST 1981
- EASTMAN KODAK CO
Compounds useful in making crosslinkable polymers having the formula (I): IMAGE wherein R is hydrogen or methyl; R1 is cyano or IMAGE wherein R2 is alkyl; Z is -X-R3-X- or IMAGE wherein each -X- is -O- or -NR4-, provided at least one -X- is -NR4-...
US4400340 (A), filed
Mon Jan 25 00:00:00 CST 1982
, published
Tue Aug 23 00:00:00 CDT 1983
- HERCULES INC
A method of making a thermoset polydicyclopentadiene by first combining a plurality of reactant streams, one containing the activator of a metathesis-catalyst system, a second containing the catalyst of a metathesis-catalyst system and at least one containing...
US4321176 (A), filed
Thu Jan 10 00:00:00 CST 1980
, published
Tue Mar 23 00:00:00 CST 1982
- DESOTO INC
A method of forming a latex coating composition is disclosed in which there is first formed an aqueous emulsion of liquid droplets of water-insoluble polyol, such as a propylene oxide adduct of bisphenol. A, with the aid of a surfactant, and monoethylenically...
US7232871 (B2), filed
Thu May 27 00:00:00 CDT 2004
, published
Tue Jun 19 00:00:00 CDT 2007
- EXXONMOBIL CHEM PATENTS INC
Ethylene propylene copolymers, substantially free of diene, are described. The copolymers will have a uniform distribution of both tacticity and comonomer between copolymer chains. Further, the copolymers will exhibit a statistically insignificant intramolecul...
US5155080 (A), filed
Tue Oct 10 00:00:00 CDT 1989
, published
Tue Oct 13 00:00:00 CDT 1992
- FINA TECHNOLOGY
Syndiospecific catalysts and processes for the syndiotactic propagation of a polymer chain derived from an ethylenically unsaturated monomer which contains 3 or more carbon atoms or is a substituted vinyl compound. The catalysts comprise an unbalanced...
US5198401 (A), filed
Tue Jul 30 00:00:00 CDT 1991
, published
Tue Mar 30 00:00:00 CST 1993
- EXXON CHEMICAL PATENTS INC
Ionic catalyst compositions can be prepared by combining two components. The first component is a bis(cyclopentadienyl) Group IV-B metal complex containing at least one ligand which will combine irreversibly with the second component or at least a portion...
US6476176 (B1), filed
Fri Dec 17 00:00:00 CST 1999
, published
Tue Nov 05 00:00:00 CST 2002
- ACUSHNET CO
The invention provides a golf ball having a cover and intermediate layers comprising in whole or in part of a saturated polyurethane. The saturated polyurethane may be blended with conventional materials employed to form golf balls, cores and intermediate...
US7135528 (B2), filed
Wed Feb 16 00:00:00 CST 2005
, published
Tue Nov 14 00:00:00 CST 2006
- EXXONMOBIL CHEM PATENTS INC
Improved thermoplastic polymer blend compositions comprising an isotactic polypropylene component and an alpha-olefin and propylene copolymer component, said copolymer comprising crystallizable alpha-olefin sequences. In a preferred embodiment, improved...
US4956416 (A), filed
Thu Aug 18 00:00:00 CDT 1988
, published
Tue Sep 11 00:00:00 CDT 1990
- ATOCHEM NORTH AMERICA
US6867279 (B2), filed
Mon Jul 15 00:00:00 CDT 2002
, published
Tue Mar 15 00:00:00 CST 2005
- ACUSHNET CO
A golf ball comprising a layer including a saturated polyurethane composition formed of a saturated prepolymer and a saturated curing agent, wherein the layer may be casted as an outer cover, formed as an intermediate layer, or both.
US5264405 (A), filed
Fri Mar 13 00:00:00 CST 1992
, published
Tue Nov 23 00:00:00 CST 1993
- EXXON CHEMICAL PATENTS INC
The invention is a catalyst system including a monocyclopentadienyl titanium compound and an alumoxane component which is highly productive for polymerizing ethylene and alpha -olefins to produce a high molecular weight ethylene- alpha -olefin copolymer...
US6849460 (B2), filed
Tue Jun 25 00:00:00 CDT 2002
, published
Tue Feb 01 00:00:00 CST 2005
- SYMYX TECHNOLOGIES INC
Methods and apparatus for screening diverse arrays of materials using infrared imaging techniques are provided. Typically, each of the individual materials on the array will be screened or interrogated for the same material characteristic. Once screened, the...
US5164103 (A), filed
Tue Feb 21 00:00:00 CST 1989
, published
Tue Nov 17 00:00:00 CST 1992
- ETHYL PETROLEUM ADDITIVES INC
Preconditioned automatic transmission fluids are made by using a preblend formed by heating an alkenyl succinimide or succinamide dispersant with a phosphorus ester and water to partially hydrolyze the ester and then mixing the preblend and other additives...
US5143968 (A), filed
Fri Aug 11 00:00:00 CDT 1989
, published
Tue Sep 01 00:00:00 CDT 1992
- DOW CHEMICAL CO
Polystyrene-polyisoprene-polystyrene block copolymers, hot-melt adhesive compositions constituted of polystyrene-polyisoprene-polystyrene block copolymers, and articles of manufacture produced therefrom. These copolymers possess blocks of high average...
US7056993 (B2), filed
Fri Dec 09 00:00:00 CST 2005
, published
Tue Jun 06 00:00:00 CDT 2006
- EXXONMOBIL CHEM PATENTS INC
Improved thermoplastic polymer blend compositions comprising an isotactic polypropylene component and an alpha-olefin and propylene copolymer component, said copolymer comprising crystallizable alpha-olefin sequences. In a preferred embodiment, improved...
US4772541 (A), filed
Fri Oct 10 00:00:00 CDT 1986
, published
Tue Sep 20 00:00:00 CDT 1988
- MEAD CORP
A photohardenable composition comprising a free radical addition polymerizable or crosslinkable compound and a cationic dye-borate anion complex, said complex being capable of absorbing actinic radiation and producing free radicals which initiate free radical...
US4349641 (A), filed
Mon Jun 16 00:00:00 CDT 1980
, published
Tue Sep 14 00:00:00 CDT 1982
- HERCULES INC
Disclosed are novel organic pigments adapted particularly for use as fillers for paper. The organic pigments are finely divided particles obtained by graft copolymerizing an ethylenically unsaturated monomer, such as styrene, onto a water-soluble cationic...
US6849704 (B2), filed
Thu Dec 04 00:00:00 CST 2003
, published
Tue Feb 01 00:00:00 CST 2005
- DOW GLOBAL TECHNOLOGIES INC
Substantially linear olefin polymers having a melt flow ratio, I10/I2,=5.63, a molecular weight distribution, Mw/Mn, defined by the equation: Mw/Mn=(I10/I2)-4.63, and a critical shear stress at onset of gross melt fracture of greater than about 4x106 dyne/cm2...
