| Patent | Date |
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Agglomerated particles of finely divided polymers which are,water-soluble or capable of swelling in water and contain ammonium carboxylate groups
App 20030073797 - Rubenacker, Martin ; et al. | 2003-04-17 |
Copolymers and their reaction products with amines as fuel and lubricant additives
App 20010025094 - Gunther, Wolfgang ; et al. | 2001-09-27 |
Copolymers and their reaction products with amines as fuel and lubricant additives
Grant 6,284,716 - Gunther , et al. September 4, 2 | 2001-09-04 |
Phosphonomethylated polyvinylamines and preparation and use thereof
Grant 6,264,839 - Mohr , et al. July 24, 2 | 2001-07-24 |
Formaldehyde-free aqueous binders
Grant 6,071,994 - Hummerich , et al. June 6, 2 | 2000-06-06 |
Graft polymers containing N-vinyl units, their preparation and their use
Grant 5,753,759 - Hartmann , et al. May 19, 1 | 1998-05-19 |
Water-soluble, carboxyl-containing copolymers, the preparation thereof and the use thereof as scale inhibitor
Grant 5,747,619 - Denzinger , et al. May 5, 1 | 1998-05-05 |
Process for the preparation of stable water-in-oil emulsions of hydrolyzed polymers of N-vinyl amides and the use thereof
Grant 5,739,190 - Hartmann , et al. April 14, 1 | 1998-04-14 |
Water-soluble or water-dispersible graft polymers of proteins as leather tanning agents
Grant 5,714,560 - Denzinger , et al. February 3, 1 | 1998-02-03 |
Elimination of nitrile impurities from polymers
Grant 5,662,781 - Denzinger , et al. September 2, 1 | 1997-09-02 |
Water-soluble or water-dispersible graft copolymers, the preparation thereof and the use thereof
Grant 5,658,993 - Denzinger , et al. August 19, 1 | 1997-08-19 |
Mixtures of polymers of monoethylenically unsaturated dicarboxylic acids and polymers of ethylenically unsaturated monocarboxylic acids and/or polyaminocarboxylic acids and their use
Grant 5,656,646 - Perner , et al. August 12, 1 | 1997-08-12 |
Use of hydrolyzed copolymers of N-vinylcarboxamides and monoethylenically unsaturated carboxylic acids in papermaking
Grant 5,630,907 - Nilz , et al. May 20, 1 | 1997-05-20 |
Polycocondensates based on aspartic acid, their preparation and their use
Grant 5,574,113 - Kroner , et al. November 12, 1 | 1996-11-12 |
Use of rection products of Homo- or copolymers based on monoethylenically unsaturated dicarboxylic anhydrides with amines or alcohols for fatliquoring and filling leather and fur skins
Grant 5,433,752 - Birkhofer , et al. July 18, 1 | 1995-07-18 |
Polymeric tanning agents
Grant 5,425,784 - Denzinger , et al. June 20, 1 | 1995-06-20 |
Rhodamine derivatives
Grant 5,410,053 - Hahn , et al. April 25, 1 | 1995-04-25 |
Use of water-soluble copolymers of monoethylenically unsaturated carboxylic acids and vinylimidazoles or derivatives thereof for water treatment
Grant 5,232,603 - Denzinger , et al. August 3, 1 | 1993-08-03 |
Graft copolymers of monosaccharides, oligosaccharides, polysaccharides and modified polysaccharides, the preparation thereof, and their use
Grant 5,227,446 - Denzinger , et al. July 13, 1 | 1993-07-13 |
Polyethyleneimine and polyvinylamine derivatives, aluminum-based substrate materials coated with these derivatives and the use thereof for the production of offset printing plates
Grant 5,217,813 - Roser , et al. June 8, 1 | 1993-06-08 |
Preparation of copolymers of monoethylenically unsaturated monocarboxylic acids and dicarboxylic acids
Grant 5,175,361 - Denzinger , et al. December 29, 1 | 1992-12-29 |
Production of paper, board and cardboard
Grant 5,145,559 - Auhorn , et al. September 8, 1 | 1992-09-08 |
Preparation of stable water-in-oil emulsions of hydrolyzed polymers of N-vinylamides
Grant 5,126,395 - End , et al. June 30, 1 | 1992-06-30 |
Copolymers based on long-chain unsaturated esters and ethylenically unsaturated carboxylic acids for making leather and furs water repellent
Grant 5,124,181 - Schaffer , et al. June 23, 1 | 1992-06-23 |
Production of paper, board and cardboard from paper stocks containing foreign materials
Grant 5,098,521 - Freudenberg , et al. March 24, 1 | 1992-03-24 |
Liquid detergent with copolymer additive
Grant 5,009,805 - Perner , et al. April 23, 1 | 1991-04-23 |
Use of partially esterified copolymers in liquid detergents
Grant 5,008,032 - Diessel , et al. April 16, 1 | 1991-04-16 |
Water-soluble copolymers containing vinylamine units as wet strength and dry strength agent for paper
Grant 4,978,427 - Pfohl , et al. * December 18, 1 | 1990-12-18 |
Preparation of metal salts of carboxyl-containing polymers
Grant 4,929,690 - Goertz , et al. May 29, 1 | 1990-05-29 |
Preparation of water-soluble copolymers containing vinylamine units, and their use as wet strength agents and dry strength agents for paper
Grant 4,880,497 - Pfohl , et al. November 14, 1 | 1989-11-14 |
Polymaleic acid, its preparation and its use
Grant 4,818,795 - Denzinger , et al. April 4, 1 | 1989-04-04 |
Detergents containing oxyalkylated, carboxyl-containing polymers
Grant 4,814,102 - Baur , et al. March 21, 1 | 1989-03-21 |
Preparation of water-soluble copolymers containing vinylamine units, and their use as wet strength agents and dry strength agents for paper
Grant 4,774,285 - Pfohl , et al. September 27, 1 | 1988-09-27 |
Preparation of polymers of acrylic acid or metharcylic acid
Grant 4,774,303 - Denzinger , et al. September 27, 1 | 1988-09-27 |
Preparation of finely divided pulverulent crosslinked copolymers
Grant 4,748,220 - Hartmann , et al. May 31, 1 | 1988-05-31 |
Preparation of copolymers of monoethylenically unsaturated mono- and dicarboxylic acids and anhydrides
Grant 4,725,655 - Denzinger , et al. February 16, 1 | 1988-02-16 |
Additives for detergents and cleaning agents
Grant 4,698,174 - Denzinger , et al. October 6, 1 | 1987-10-06 |
Copolymers for detergents and cleaning agents
Grant 4,647,396 - Denzinger , et al. March 3, 1 | 1987-03-03 |
Preparation of carboxyl-containing polymers
Grant 4,621,127 - Denzinger , et al. November 4, 1 | 1986-11-04 |
Copolymers, their preparation and their use as assistants in detergents and cleansing agents
Grant 4,559,159 - Denzinger , et al. December 17, 1 | 1985-12-17 |
Preparation of insoluble, only slightly swellable polymers of basic vinyl-heterocyclic compounds
Grant 4,451,582 - Denzinger , et al. May 29, 1 | 1984-05-29 |
Copolymers which contain basic groups and are used as antiredeposition agents in washing and after-treating textile goods containing synthetic fibers
Grant 4,444,561 - Denzinger , et al. April 24, 1 | 1984-04-24 |
Preparation of maleic anhydride copolymers
Grant 4,370,454 - Messmer , et al. January 25, 1 | 1983-01-25 |
Manufacture of paper having a high dry strength and a low wet strength
Grant 4,294,873 - Hartmann , et al. October 13, 1 | 1981-10-13 |
Manufacture of low molecular weight poly-N-vinylpyrrolidone-2
Grant 4,058,655 - Denzinger , et al. November 15, 1 | 1977-11-15 |
Manufacture of insoluble and only slightly water-swellable polymers of N-vinyl lactams of improved adsorptivity
Grant 4,013,825 - Denzinger , et al. March 22, 1 | 1977-03-22 |
Manufacture of insoluble and only slightly water-swellable polymers of N-vinyl lactams of improved adsorptivity
Grant 3,992,562 - Denzinger , et al. November 16, 1 | 1976-11-16 |
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