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:
Oct. 18, 2016
Filed:
Dec. 11, 2012
Applicant:
Rohm and Haas Company, Philadelphia, PA (US);
Inventor:
Anne Oberlin, Antibes, FR;
Assignee:
Rohm and Haas Company, Philadelphia, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 8/14 (2006.01); C08L 71/02 (2006.01); C08J 3/07 (2006.01); C11D 3/20 (2006.01); C11D 3/22 (2006.01); C11D 3/37 (2006.01); A61K 8/73 (2006.01); A61K 8/86 (2006.01); A61K 8/87 (2006.01); A61Q 19/00 (2006.01); C08L 1/28 (2006.01); C08L 75/04 (2006.01);
U.S. Cl.
CPC ...
C08L 71/02 (2013.01); A61K 8/14 (2013.01); A61K 8/731 (2013.01); A61K 8/86 (2013.01); A61K 8/87 (2013.01); A61Q 19/00 (2013.01); C08J 3/07 (2013.01); C08L 1/28 (2013.01); C08L 1/284 (2013.01); C08L 1/286 (2013.01); C08L 1/288 (2013.01); C08L 75/04 (2013.01); C11D 3/2068 (2013.01); C11D 3/225 (2013.01); C11D 3/227 (2013.01); C11D 3/3707 (2013.01); C11D 3/3726 (2013.01); C08J 2301/26 (2013.01); C08J 2301/28 (2013.01);
Abstract
Described are methods of dispersing and hydrating a water soluble polymer, comprising forming a nonaqueous slurry of polypropylene glycol, water soluble polymer, and hydrophobically modified ethoxylated urethane, provided that the slurry contains less than five percent water; and then contacting the nonaqueous slurry with water to disperse and hydrate the water soluble polymer.