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:
Jun. 08, 2010
Filed:
Mar. 03, 2006
Applicants:
Bernhard Steinmetz, Rütschenhausen, DE;
Peter W. Carrico, West Point, MS (US);
Vernon Adey, Hamilton, MS (US);
Inventors:
Bernhard Steinmetz, Rütschenhausen, DE;
Peter W. Carrico, West Point, MS (US);
Vernon Adey, Hamilton, MS (US);
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 220/00 (2006.01); C08F 220/06 (2006.01); C08F 8/44 (2006.01);
U.S. Cl.
CPC ...
Abstract
Water-absorbent crosslinked polymers bearing acid groups, some or all of the acid groups being present as carboxylate groups having at least two different types of cations as counterions, processes for their preparation and mixtures of water-absorbent crosslinked polymers.