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. 12, 2015
Filed:
Aug. 29, 2013
Applicant:
Basf SE, Ludwigshafen, DE;
Inventors:
Marco Krüger, Mannheim, DE;
Stefan Blei, Mannheim, DE;
Wilfried Heide, Freinsheim, DE;
Matthias Weismantel, Jossgrund-Oberndorf, DE;
Uwe Stueven, Bad Soden, DE;
Assignee:
BASF SE, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 2/01 (2006.01); C08F 220/06 (2006.01); B01J 20/26 (2006.01); C08F 2/10 (2006.01); C08F 222/10 (2006.01);
U.S. Cl.
CPC ...
B01J 20/261 (2013.01); C08F 2/01 (2013.01); C08F 2/10 (2013.01); C08F 220/06 (2013.01); C08F 222/1006 (2013.01);
Abstract
A process for producing water-absorbing polymer particles by polymerizing droplets of a monomer solution in a surrounding gas phase in a reaction chamber, wherein the monomer solution is metered into the reaction chamber via at least one bore, and the diameter is from 210 to 290 μm per bore and the metering rate is from 0.9 to 5 kg/h per bore.