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. 12, 2013
Filed:
Sep. 12, 2008
Applicants:
Norbert Herfert, Altenstadt, DE;
Herman Josef Feise, Kleinniedesheim, DE;
Hanno Rüdiger Wolf, Heidelberg, DE;
Inventors:
Norbert Herfert, Altenstadt, DE;
Herman Josef Feise, Kleinniedesheim, DE;
Hanno Rüdiger Wolf, Heidelberg, DE;
Assignee:
BASF SE, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01F 11/20 (2006.01); G01F 11/00 (2006.01); B67D 7/20 (2010.01); B07B 13/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Superabsorbents are metered by a process using a screw conveyor, wherein the superabsorbent is selected, or treated with a cohesion control agent, to have an unconfined yield strength of from 0.75 to 1.5 kPa at consolidation stress of 6 kPa.