Patent · US Active

Aqueous dispersions of water-soluble and/or water-swellable anionic polymers, method for their production and use thereof

US8540974B2 · kind B2 · utility

2Cited by

5References

20Claims

0Family size

Assignee

BASF SE

Inventors

Volker Braig · Weinheim, DE
Werner Gauweiler · Lustadt, DE
Pulakesh Mukherjee · Mannheim, DE
Christian Hubert Weidl · Speyer, DE

Key dates

Filing date	Jul 30, 2005
Grant date	Sep 24, 2013
Priority date	—
Expiry date	Mar 6, 2028

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC14C11/003
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Aqueous dispersions of water-soluble and/or water-swellable anionic polymers which are obtainable by free radical polymerization of ethylenically unsaturated, anionic monomers in an aqueous medium in the presence of at leas one stabilizer, the polymerization being carried out in the presence of at least one water-soluble polymer of the groups consisting of

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.