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:
Dec. 14, 2004
Filed:
Mar. 04, 2003
Applicant:
Inventors:
Richard Mertens, Krefeld, DE;
Harren Jörg, Krefeld, DE;
Assignee:
Stockhausen GmbH & Co. KG, Krefeld, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F 8/42 ; C08F 2/006 ;
U.S. Cl.
CPC ...
C08F 8/42 ; C08F 2/006 ;
Abstract
The invention relates to absorptive, crosslinked polymers which are based on partly neutralized, monoethylenically unsaturated monomers carrying acid groups, and have improved properties, in particular in respect of their capacity for transportation of liquids in the swollen state, and which have been after-crosslinked on their surface at temperatures of at least 150° C. with a combination of polyol as after-crosslinking compound and a cation in the form of an aqueous solution.