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. 29, 2012
Filed:
Jul. 03, 2009
Applicants:
Stefan Blei, Mannheim, DE;
Marco Krüger, Mannheim, DE;
Wilfried Heide, Freinsheim, DE;
Matthias Weismantel, Jossgrund-Oberndorf, DE;
Uwe Stueven, Bad Soden, DE;
Inventors:
Stefan Blei, Mannheim, DE;
Marco Krüger, Mannheim, DE;
Wilfried Heide, Freinsheim, DE;
Matthias Weismantel, Jossgrund-Oberndorf, DE;
Uwe Stueven, Bad Soden, DE;
Assignee:
BASF SE, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F 8/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process for thermally surface postcrosslinking water-absorbing polymer particles in a fluidized bed generated by means of a carrier gas, wherein the surface postcrosslinker is supplied to the fluidized bed in gaseous form.