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:
Jul. 09, 2013
Filed:
Apr. 11, 2006
Applicants:
Yorimichi Dairoku, Himeji, JP;
Hirotama Fujimaru, Himeji, JP;
Kunihiko Ishizaki, Suita, JP;
Inventors:
Assignee:
Nippon Shokubai Co., Ltd., Osaka, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F 20/06 (2006.01); A61F 13/15 (2006.01); A61F 13/20 (2006.01);
U.S. Cl.
CPC ...
Abstract
As a characteristic that had not been known conventionally at all, 'permeability potential under pressure (PPUP)' of a particulate water absorbing agent is regulated, and further, 'range of particle size distribution' and “coloring” are concomitantly regulated. The present invention is directed to a particulate water absorbing agent having the following (a) to (c):
Dairoku, Yorimichi. (2013). Particulate water absorbing agent including polyacrylic acid (polyacrylate) based water absorbing resin as a principal component, method for production thereof, water-absorbent core and absorbing article in which the particulate water absorbing agent is used (U.S. Patent No. 8481664). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8481664
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile