Patents
Patent data provided by The
European Patent Office
and updated through early 2009. Full text patent data loaded weekly coming soon.
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US5545360 (A), filed
Jun 08, 1993
, published
Aug 13, 1996
- IND TECH RES INST
A process for preparing a powdered product with superior homogeneity. A precursor solution is prepared by adding an additive selected from glycerol, glyceryl nitrate, polyglycerols, glycols or polyglycols with a concentration of 0.1-2.0 percent by weight to an...
US5643506 (A), filed
Feb 03, 1995
, published
Jul 01, 1997
- MEAD CORP
An improvement is produced in prior art processes for the continuous production of emulsions; the processes include the step of continuously combining volumetrically determined amounts of the hydrophobic phase and the hydrophilic phase in mixing apparatus in a...
US6210611 (B1), filed
Nov 30, 1999
, published
Apr 03, 2001
- UNIV DUKE
A method for producing a gas microbubble comprises subjecting the gas microbubble to isothermal conditions or cooling conditions such that the lipid-containing shell cools at a rate ranging from about 100° C./min. to about 103° C./min., and wherein said...
US2007104866 (A1), filed
Sep 28, 2006
, published
May 10, 2007
- DECKER ERIC A
Coated emulsion compositions which can be dried to particulate form, and related methods of use and preparation.
US2007134411 (A1), filed
Jan 05, 2006
, published
Jun 14, 2007
- GEN ELECTRIC
In the process of the invention, a composition is made by mixing a plurality of microcapsules containing at least an additive such as lubricants, oils, fragrances, colorants, etc., with a dispersing polymeric material to form a first blend, and compounding the...
US5585086 (A), filed
Sep 06, 1994
, published
Dec 17, 1996
- ROCKWELL INTERNATIONAL CORP
The present invention is a method for enhancing reaction rates when digesting chemical systems which form passivating layers. Particles are introduced into a digestion fluid bath. Digestion is allowed to proceed until passivating layers of digestion products...
US5814675 (A), filed
Mar 30, 1998
, published
Sep 29, 1998
- COUNCIL SCIENT IND RES
The invention provides a process for the preparation of polyurethane microspheres, which comprises of preparing a solution of diol or polyol having a molecular weight in the range of 200-2000, crosslinker and a catalyst selected from amino or organometallic...
US2004166166 (A1), filed
Dec 18, 2003
, published
Aug 26, 2004
- FUJI PHOTO FILM CO LTD
It is an object of the present invention to provide a process for producing nano-particles, capable of efficiently producing monodisperse nano-particles substantially uniform in particle size and composition, and freely controllable in particle size and...
US2006141150 (A1), filed
Dec 27, 2004
, published
Jun 29, 2006
- ZHENG LEI
The present invention discloses a process for producing a core-shell polymer that comprises: (1) preparing a monomer solution which is comprised of (a) at least one monomer, optional one crosslinking monomer (b) a conjugate acid of a surfactant with a pKa of...
US2006210711 (A1), filed
Mar 07, 2006
, published
Sep 21, 2006
- DAICEL CHEM
A process for producing a microcapsule comprises adding water to an liquid organic dispersion at a room temperature, wherein the liquid organic dispersion comprises a colorant particle, a hydrophobic organic solvent, and an aqueous solution containing a...
US2006263518 (A1), filed
May 18, 2006
, published
Nov 23, 2006
- APPLETON PAPER INC
A novel method of forming oil in water microcapsules is disclosed. According to the invention microcapsules are obtained by steps comprising dispersing an oil soluble amine modified polyfunctional polyvinyl monomer and an oil soluble bi- or polyfunctional...
US2006263519 (A1), filed
May 18, 2006
, published
Nov 23, 2006
- APPLETON PAPER INC
A novel method of forming water in oil microcapsules is disclosed. According to the invention microcapsules are obtained by steps comprising dispersing an oil soluble amine modified polyfunctional polyvinyl monomer and an oil soluble bi- or polyfunctional...
US5645848 (A), filed
Jun 06, 1995
, published
Jul 08, 1997
- BAUSCH LOMB
A composition for delaying release of an active component into an aqueous fluid is taught which includes a capsule that swells in the presence of an aqueous fluid allowing moisture to enter the capsule into contact with a capsule decomposing agent activated by...
US5705222 (A), filed
Nov 27, 1995
, published
Jan 06, 1998
- UNIV COLUMBIA
This invention relates generally to a process for preparing composite particles. More specifically, this invention relates to a process for preparing polymer-coated composite particle dispersions wherein excess polymer is removed by a controlled washing step....
US5859075 (A), filed
Jul 16, 1998
, published
Jan 12, 1999
- COUNCIL SCIENT IND RES
The invention provides a process for the preparation of polyurethane microspheres, which comprises of preparing a solution of diol or polyol having a molecular weight in the range of 200-2000, crosslinker and a catalyst selected from amino or organometallic...
