1
Masayuki Hattori, E David Sudol, Mohamed S El Aasser: Process for the preparation of cross-linked polymer particles. Japan Synthetic Rubber, Oliff & Berridge, June 1, 1993: US05216096 (63 worldwide citation)

A process for the preparation of highly crosslinked polymer particles from polymerizable vinyl monomers comprising 15% by weight or more of a crosslinking vinyl monomer. The process comprises: providing an organic solvent, a mixture of organic solvents, or a mixture of at least one organic solvent a ...


2
Robert E Richard: Cross-linked polymer particles. Boston Scientific Scimed, Bingham McCutchen, April 9, 2013: US08414927 (37 worldwide citation)

Biodegradable cross-linked particles, as well as related compositions and methods, are disclosed.


3
Yasuda Yoshizo, Hatano Itaru, Suganuma Yasuyuki, Kameo Tomohumi: Method of manufacturing polymer particles having uniform cross-linking and expanded shaped articles obtained therefrom. Kanegafuchi Kagaku Kogyo Kabushiki Kaisha, Kojima Moonray, May 27, 1975: US3886100 (29 worldwide citation)

Method of manufacturing polyolefin resin particles cross-linked uniformly by impregnating uniformly cross-linking agent into polymer particles and performing cross-linking reaction in an aqueous suspension containing a small amount of surface active agent, cross-linking agent, such as organic peroxi ...


4
E Reed Lang: Surface altering agent for thermoplastic polymers. Rohm and Haas Company, Michael B Fein, December 28, 1976: US04000216 (26 worldwide citation)

Blends of extrudable, moldable, or heat formable thermoplastic polymers with a surface altering agent for the thermoplastic polymer comprising cross-linked polymer particles having an average size of 1 to 30 microns are disclosed. Also disclosed are processes for preparing such blends.


5
Wilhelm Reindl, Doil Williams: Oil sorption with surface-modified rubber. Regents of the University of Minnesota, Kinney & Lange, January 19, 1993: US05180704 (24 worldwide citation)

A method for sorbing oil comprises contacting the oil with an oil sorbing article comprising a plurality of substantially cross-linked polymer particles having adhesive layers formed on a portion of the outer surfaces of a majority of the particles. The particles are attached together with the adhes ...


6
Donald R Stevenson: Pigmentable low shrink thermosetting polyesters. SCM Corporation, Thomas M Schmitz, September 13, 1977: US04048257 (23 worldwide citation)

This invention pertains to a pigmentable, low-shrink molding composition based on thermosetting, unsaturated polyester resin in combination with lightly cross-linked polymer particles. The lightly cross-linked polymer particles have a particle size preferably between about 20 microns to 50 microns a ...


7
MODAHL GRETE IRENE: Monodisperse submicron polymer particles. INVITROGEN DYNAL, Harrison Goddard Foote, November 4, 2010: WO/2010/125170 (16 worldwide citation)

This invention relates to monodisperse cross-linked polymer particles, comprising particles with a substantially smooth outer surface and an average diameter of less than 1µm, wherein the particles are solid or porous, and wherein the coefficient of variation (CV)% of the particles, when measured by ...


8
Hille Hans Dieter, Muller Horst, Dobbelstein Arnold: Aqueous dispersions of cross-linked polymer particles, process for the preparation of these dispersions and coating compositions containing these dispersions.. Basf Lacke & Farben, September 2, 1987: EP0234361-A1 (14 worldwide citation)

Die Erfindung betrifft Dispersionen von vernetzten Polymermikroteilchen in wässrigen Medien, die dadurch gekennzeichnet sind, dass sie hergestellt worden sind, indem (1) ein Gemisch aus den Komponenten (A) und (B) in einem wässrigen Medium dispergiert worden ist, wobei die Komponente (A) aus einem o ...


9
Hille Hans Dieter, Muller Horst, Dobbelstein Arnold, Mayenfels Peter: Aqueous dispersions of cross-linked polymer particles, process for the preparation of these dispersions and coating compositions containing these dispersions.. Basf Lacke & Farben, September 2, 1987: EP0234362-A1 (14 worldwide citation)

Die Erfindung betrifft Dispersionen von vernetzten Polymermikroteilchen in wässrigen Medien, die dadurch gekennzeichnet sind, dass sie hergestellt worden sind, indem (1) ein Gemisch aus den Komponenten (A) und (B) in einem wässrigen Medium dispergiert worden ist, wobei die Komponente (A) aus einem o ...


10
John A Henderson, Anthony S Tomlin, David M Lucas: Method of increasing the size and absorption under load of superabsorbent fine particles by impregnation with an aqueous acrylic monomer solution. American Colloid Company, Marshall O Toole Gerstein Murray & Borun, May 7, 1996: US05514754 (13 worldwide citation)

A method of enhancing the water absorbance of and increasing the particle size of fine water absorbent cross-linked polyacrylic polymer particles includes impregnating the polymer particles with an impregnating monomer solution containing an acrylic monomer, with or without a cross-linking agent for ...