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:
Oct. 16, 2007
Filed:
Feb. 09, 2004
Yoshifumi Adachi, Himeji, JP;
Takahiro Kitano, Himeji, JP;
Hirotama Fujimaru, Kishiwada, JP;
Kozo Nogi, Kakogawa, JP;
Yoshifumi Adachi, Himeji, JP;
Takahiro Kitano, Himeji, JP;
Hirotama Fujimaru, Kishiwada, JP;
Kozo Nogi, Kakogawa, JP;
Nippon Shokubai Co., Ltd., Osaka, JP;
Abstract
The particulate water absorbent has a cross-linking structure therein, and contains (i) a particulate water absorbent resin having a cross-linking structure on a surface therof and (ii) not less than 0.001 mass % and less than 10 mass % of anorganic acid multivalent metal salt whose molecule contains not less than seven carbon atoms. Futher, the particulate water absorbent contains 90 mass % of particles, whose particle diameter is not less than 106 μm and 850 μm, with respect to the particulate water absorbent.