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:
Sep. 06, 2016
Filed:
Jan. 20, 2014
Applicant:
Basf SE, Ludwigshafen, DE;
Inventors:
Stephan Bauer, Hochheim, DE;
Norbert Herfert, Altenstadt, DE;
Lydia König, Harthausen, DE;
Yvonne Hagen, Waldsee, DE;
Xiana Romani Fernandez, Karlsruhe, DE;
Marcus Schöppler, Altlussheim, DE;
Assignee:
BASF SE, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 4/00 (2006.01); C08F 30/04 (2006.01); C08F 2/00 (2006.01); C08F 20/26 (2006.01); C08F 220/06 (2006.01); A61L 15/24 (2006.01); A61L 15/60 (2006.01); C08F 6/00 (2006.01); C08L 33/02 (2006.01);
U.S. Cl.
CPC ...
C08F 220/06 (2013.01); A61L 15/24 (2013.01); A61L 15/60 (2013.01); C08F 6/005 (2013.01); C08F 6/008 (2013.01); C08L 33/02 (2013.01); C08L 2201/54 (2013.01);
Abstract
A process for removing residual monomers from water-absorbing polymer particles by thermally aftertreating the water-absorbing polymer particles in a mixer with rotating mixing tools at a temperature of at least 60° C. in the presence of water and of a surfactant.