The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 19, 2016
Filed:
Jul. 30, 2010
Applicants:
Thomas Pfeuffer, Hassfurt, DE;
Roland Reichenbach-klinke, Traunstein, DE;
Stefan Friedrich, Garching, DE;
Marcus Guzmann, Münsing, DE;
Inventors:
Thomas Pfeuffer, Hassfurt, DE;
Roland Reichenbach-Klinke, Traunstein, DE;
Stefan Friedrich, Garching, DE;
Marcus Guzmann, Münsing, DE;
Assignee:
BASF SE, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/588 (2006.01); C08F 2/48 (2006.01); C08L 29/10 (2006.01); C09K 8/584 (2006.01); C08F 220/56 (2006.01); C08F 220/58 (2006.01); C08F 220/34 (2006.01); C08F 222/10 (2006.01);
U.S. Cl.
CPC ...
C09K 8/584 (2013.01); C08F 220/56 (2013.01); C08F 220/58 (2013.01); C09K 8/588 (2013.01); C08F 220/34 (2013.01); C08F 222/1006 (2013.01);
Abstract
Water-soluble, hydrophobically associating copolymer comprising a monoethylenically unsaturated, water-soluble, surface-active monomer (a), and a monoethylenically unsaturated, hydrophilic monomer (b) different from monomer (a). The copolymer is prepared in the presence of a nonpolymerizable surfactant and has marked thickening properties in aqueous systems.