Patent ID: 7084200

Claim:
An aqueous dispersion of water-soluble polymers, comprising: a water-soluble polymer consisting of at least one polymer of at least one N-vinylcarboxamide, optionally with a comonomer selected from the group consisting of monoethylenically unsaturated carboxylic acids of 3 to 8 carbon atom content, salts thereof, an unsaturated nitrile, an unsaturated amide, an ester of an unsaturated acid, an unsaturated group containing sulfonic acid compound, an unsaturated group containing phosphonic acid compound, N-vinylpyrrolidone, N-vinylcaprolactam, N-vinylimidazole, N-vinyl-2-methylimidazole, N-vinyl-4-methylimidazole, diallylammonium chloride and styrene and, as a stabilizer, water-soluble crosslinked graft polymers which are prepared by the free radical polymerization of compounds having at least two ethylenically unsaturated double bonds in the presence of polyalkylene glycols.