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:
Feb. 18, 2014
Filed:
May. 23, 2012
Applicants:
Matthias Weismantel, Jossgrund-Oberndorf, DE;
Ulrich Riegel, Landstuhl, DE;
Markus Braun, Heidelberg, DE;
Martin Wendker, Worms, DE;
Thomas Gieger, Ludwigshafen, DE;
Inventors:
Matthias Weismantel, Jossgrund-Oberndorf, DE;
Ulrich Riegel, Landstuhl, DE;
Markus Braun, Heidelberg, DE;
Martin Wendker, Worms, DE;
Thomas Gieger, Ludwigshafen, DE;
Assignee:
BASF SE, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 120/06 (2006.01); C08G 85/00 (2006.01); B01J 19/00 (2006.01); B65G 37/00 (2006.01); F26B 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process for producing water-absorbing polymer particles by polymerizing an aqueous monomer solution in a kneader having at least two shafts in axially parallel rotation, wherein the reaction mixture is transported in axial direction and the region at the start of the kneader is trace-heated.