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:
May. 14, 2019
Filed:
Mar. 05, 2015
Applicant:
Evonik Degussa Gmbh, Essen, DE;
Inventors:
Christoph Loick, Tonisvorst, DE;
Scott J. Smith, Dusseldorf, DE;
Assignee:
Evonik Degussa GmbH, Essen, DE;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61L 15/22 (2006.01); A61L 15/46 (2006.01); C08F 220/06 (2006.01); C08J 3/24 (2006.01); A61L 15/60 (2006.01); C08J 3/075 (2006.01);
U.S. Cl.
CPC ...
C08F 220/06 (2013.01); A61L 15/225 (2013.01); A61L 15/46 (2013.01); A61L 15/60 (2013.01); C08J 3/075 (2013.01); C08J 3/245 (2013.01); A61L 2300/11 (2013.01); A61L 2300/80 (2013.01); C08J 2333/02 (2013.01);
Abstract
The present invention relates to a water-absorbing polymer and to a process for preparation, including finishing the water-absorbing polymer, with 0.0001 to 3% by weight, of a peroxo compound, based on the acrylic acid, after the polymerization is treated, and to a process for producing a hydrogel polymer, to the product of the process and to use.