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. 22, 2012
Filed:
Oct. 29, 2007
Applicants:
Dennis Lösch, Altrip, DE;
Marco Krüger, Mannheim, DE;
Matthias Weismantel, Jossgrund-Oberndorf, DE;
Wilfried Heide, Freinsheim, DE;
Inventors:
Dennis Lösch, Altrip, DE;
Marco Krüger, Mannheim, DE;
Matthias Weismantel, Jossgrund-Oberndorf, DE;
Wilfried Heide, Freinsheim, DE;
Assignee:
BASF SE, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F 2/00 (2006.01); C08F 20/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
In a process for producing water-absorbing polymeric particles which comprises generating droplets comprising monomers, polymerizing the monomers in a heated gas phase surrounding the droplets and flowing the gas through the polymerization reactor, the temperature of the gas leaving the polymerization reactor is closed-loop controlled.