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:
Nov. 17, 1998
Filed:
Nov. 20, 1996
Applicant:
Inventors:
Dolf Stockhausen, Krefeld, DE;
Hans-Georg Hartan, Kevelaer, DE;
Helmut Brehm, Krefeld, DE;
Gerd Jonas, Kempen, DE;
Bernfried Messner, Greensboro, NC (US);
Klaus Pflueger, Krefeld, DE;
Assignee:
Stockhausen GmbH & Co. KG, Krefeld, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ; C08F / ; C08F / ;
U.S. Cl.
CPC ...
526320 ; 5263296 ; 526310 ; 526306 ; 5263171 ; 5263031 ; 5263071 ; 526264 ;
Abstract
The present invention relates to superabsorbent cross-linked polymers for watery liquids, which are built-up of partially neutralized monomers having monoethylenlcally unsaturated acid groups, optionally further monomers copolymerizable therewith, as well as polymers optionally suitable as graft basis, and which can be manufactured by using a cross-linker/monomer combination of