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:
Feb. 01, 2005
Filed:
Dec. 28, 2001
Applicants:
Volker Frenz, Mainz-Kostheim, DE;
Norbert Herfert, Altenstadt, DE;
Ulrich Riegel, Frankfurt, DE;
William E. Volz, Suffolk, VA (US);
Thomas H. Majette, Portsmouth, VA (US);
James Hill, Virginia Beach, VA (US);
Inventors:
Volker Frenz, Mainz-Kostheim, DE;
Norbert Herfert, Altenstadt, DE;
Ulrich Riegel, Frankfurt, DE;
William E. Volz, Suffolk, VA (US);
Thomas H. Majette, Portsmouth, VA (US);
James Hill, Virginia Beach, VA (US);
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Primary Examiner:
Int. Cl.
CPC ...
C08J 928 ;
U.S. Cl.
CPC ...
Abstract
Described is a water-absorbent composition containing from 30 to 100% by weight, based on the water-absorbent composition, of water-insoluble water-swellable hydrogels characterized by the following features: