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:
Mar. 25, 2008
Filed:
May. 27, 2004
Applicants:
Yorimichi Dairoku, Himeji, JP;
Kozo Nogi, Kakogawa, JP;
Koji Miyake, Okayama, JP;
Inventors:
Assignee:
Nippon Shokubai Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 20/26 (2006.01); B02C 19/00 (2006.01); B07B 13/02 (2006.01); C08F 6/04 (2006.01); C08F 20/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for sizing a surface cross-linked water-absorbent resin removed coarse particles and fine powder is provided. Sized resin particles are obtained by classifying water-absorbent resin particles to remove an aggregates and fine powder in the particles, disintegrating the obtained aggregates and classifying the products of the disintegration to remove coarse particles and fine powder contained in the products.