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:
Apr. 02, 2013
Filed:
Jul. 03, 2009
Applicants:
Rüdiger Funk, Niedernhausen, DE;
Matthias Weismantel, Jossgrund-Oberndorf, DE;
Sylvia Bertha, Frankenthal, DE;
Inventors:
Rüdiger Funk, Niedernhausen, DE;
Matthias Weismantel, Jossgrund-Oberndorf, DE;
Sylvia Bertha, Frankenthal, DE;
Assignee:
BASF SE, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 8/00 (2006.01); C08F 20/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process for producing water-absorbing polymer particles, comprising polymerization, drying, comminution, classification and recycling of the undersize obtained in the classification, wherein the recycled undersize is coated with a reducing agent and/or inorganic particles.