| Patent Number |
Title Of Patent |
Date Issued |
| RE33008 |
Acrylic emulsion copolymers for thickening aqueous systems and copolymerizable surfactant monome |
August 1, 1989 |
| Acrylic emulsion copolymers are prepared by emulsion polymerization of (A) a surfactant monomer, (B) an .alpha..beta.-ethylenically unsaturated carboxylic acid monomer, (C) a nonionic.alpha..beta.-ethylenically unsaturated monomer and (D) optionally a polyethylenically unsaturated cr |
| 4745154 |
Water soluble polymers, their preparation and their uses |
May 17, 1988 |
| A copolymer composition prepared in a water-in-oil emulsion by polymerizing a monomer system comprising a surfactant monomer and a water soluble vinyl monomer. |
| 4659793 |
Preparation of aqueous solutions of copolymers of dicarboxylic acids having a low dicarboxylic a |
April 21, 1987 |
| Very small amounts of certain metal ions promote copolymerization of aliphalic dicarboxylic acids with .alpha.,.beta.-ethylentically unsaturated monomers in an aqueous solution system maintained at a given pH range, whereby the amount of unreacted dicarboxylic acid monomer is signifi |
| 4616074 |
Acrylic-methylene succinic ester emulsion copolymers for thickening aqueous systems |
October 7, 1986 |
| Acrylic emulsion copolymers are prepared by emulsion polymerization of (A) a surfactant monomer, (B) an .alpha.,.beta.-ethylenically unsaturated carboxylic acid monomer, (C) a nonionic .alpha.,.beta.-ethylenically unsaturated monomer and (D) optionally a polyethylenically unsaturated |
| 4600761 |
Acrylic emulsion copolymers for thickening aqueous systems and copolymerizable surfactant monome |
July 15, 1986 |
| Acrylic emulsion copolymers are prepared by emulsion polymerization of (A) a surfactant monomer, (B) an .alpha., .beta.-ethylenically unsaturated carboxylic acid monomer, (C) a nonionic .alpha., .beta.-ethylenically unsaturated monomer and (D) optionally a polyethylenically unsaturated |