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. 30, 2019
Filed:
Mar. 31, 2015
Applicant:
Nippon Shokubai Co., Ltd., Osaka-shi, Osaka, JP;
Inventors:
Assignee:
NIPPON SHOKUBAI CO., LTD., Osaka-Shi, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 20/04 (2006.01); C08K 3/32 (2006.01); C08L 101/14 (2006.01); B01J 20/26 (2006.01); B01J 20/28 (2006.01); C08J 3/24 (2006.01); B01J 20/30 (2006.01);
U.S. Cl.
CPC ...
B01J 20/048 (2013.01); B01J 20/267 (2013.01); B01J 20/28004 (2013.01); B01J 20/28057 (2013.01); B01J 20/3085 (2013.01); C08J 3/245 (2013.01); C08K 3/32 (2013.01); C08L 101/14 (2013.01); C08J 2335/02 (2013.01); C08K 2003/321 (2013.01); C08K 2201/005 (2013.01);
Abstract
It is an object to provide a particulate water-absorbing agent having a high fluid retention capacity under pressure and reduced moisture absorption blocking properties, and a method for producing the same. A particulate water-absorbing agent including a water-insoluble metal phosphate including an anion of a phosphoric acid compound and a divalent or trivalent metal cation, the water-insoluble metal phosphate having a crystallite size of less than 0.15 μm, wherein the particulate water-absorbing agent has a fluid retention capacity under pressure of 2.06 kpa of 20 g/g or more.