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. 09, 2014
Filed:
Nov. 02, 2012
Applicant:
Basf SE, Ludwigshafen, DE;
Inventors:
Matthias Weismantel, Jossgrund-Oberndorf, DE;
Rüdiger Funk, Niedernhausen, DE;
Ann Becker, Borsbeek, BE;
Leo Van Miert, Kapellen, BE;
Assignee:
BASF SE, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 19/00 (2006.01); F26B 9/06 (2006.01); F26B 17/14 (2006.01); C08F 220/06 (2006.01); F26B 25/00 (2006.01); B01F 7/08 (2006.01); B01J 8/00 (2006.01); B65G 37/00 (2006.01); C08F 222/10 (2006.01);
U.S. Cl.
CPC ...
C08F 220/06 (2013.01); F26B 9/063 (2013.01); F26B 17/1491 (2013.01); C08F 222/1006 (2013.01); F26B 25/002 (2013.01); B01F 7/081 (2013.01);
Abstract
A process for producing water-absorbing polymer particles, wherein a polymer gel is removed from a polymerization reactor, stored intermediately as a particulate polymer gel in a delay vessel, removed by means of a first conveying device at the lower end of the delay vessel and dried, the intermediately stored particulate polymer gel being conveyed within the delay vessel by means of at least one second conveying device above the first conveying device in the direction of the first conveying device.