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Publication numberUSRE28576 F1
Publication typeGrant
Publication dateDec 6, 1983
Filing dateNov 9, 1973
Priority dateDec 15, 1970
Publication numberUS RE28576 F1, US RE28576F1, US-F1-RE28576, USRE28576 F1, USRE28576F1
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet

US RE28576 F1
Abstract  available in
Description  available in
Claims  available in
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US4530943Jul 29, 1983Jul 23, 1985Chemische Fabrik Stockhausen GmbhProcess for the rapid dissolution of water-soluble polymers
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US6887935Apr 2, 2004May 3, 2005Ge Betz, Inc.Modified polymeric flocculants with improved performance characteristics
US7250448Dec 6, 2002Jul 31, 2007Hercules IncorporatedAnionic copolymers prepared in an inverse emulsion matrix and their use in preparing cellulosic fiber compositions
US7396874Dec 4, 2003Jul 8, 2008Hercules IncorporatedCationic or amphoteric copolymers prepared in an inverse emulsion matrix and their use in preparing cellulosic fiber compositions
US7429625Dec 14, 2004Sep 30, 2008Hercules IncorporatedInversion of inverse emulsion polymers
US7615135Nov 10, 2009Hercules IncorporatedRetention and drainage aids
US8852400Nov 15, 2012Oct 7, 2014Ecolab Usa Inc.Emulsification of alkenyl succinic anhydride with an amine-containing homopolymer or copolymer
US20040192840 *Apr 2, 2004Sep 30, 2004Ge Betz, Inc.Modified polymeric flocculants with improved performance characteristics
US20050143506 *Dec 14, 2004Jun 30, 2005Harrington John C.Inversion of inverse emulsion polymers
US20060127351 *Dec 14, 2004Jun 15, 2006Hercules IncorporatedProcess for preparing high molar mass polymers
US20060185806 *Dec 13, 2005Aug 24, 2006Harrington John CRetention and drainage aids
EP0702037A1Jun 16, 1995Mar 20, 1996Betz Europe, Inc.Water soluble graft copolymers for deinking process water clarification
Classifications
International ClassificationC02F1/52, C08J3/03
Cooperative ClassificationC02F1/5227, C08J3/03, C08J2300/10
European ClassificationC08J3/03, C02F1/52C