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:
Nov. 12, 2013
Filed:
Dec. 18, 2009
Applicant:
Tetsuya Ishii, Kawasaki, JP;
Inventor:
Tetsuya Ishii, Kawasaki, JP;
Assignee:
Showa Denko K.K., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A01N 43/08 (2006.01); C08L 53/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A hydrous gel substantially comprising at least two polymers selected from the group consisting of polyacrylic acid, sodium polyacrylate and partially neutralized polyacrylate, and water, the polymers being crosslinked by containing an aluminum compound, wherein the pH when the hydrous gel is 100-fold diluted with purified water is from 6.5 to 8.5. A hydrous gel which can stably hold an ascorbic acid or a derivative thereof, has high gel strength, exhibits good adhesion to an adherend and causes no liquid syneresis can be provided.