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:
Sep. 05, 1989
Filed:
May. 26, 1987
Applicant:
Inventors:
Shigeji Obayashi, Akashi, JP;
Morio Nakamura, Kakogawa, JP;
Takushi Yamamoto, Himeji, JP;
Hitoshi Tanaka, Himeji, JP;
Yuji Sakamoto, Himeji, JP;
Assignee:
Seitetsu Kagaku Co., Ltd., , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08K / ;
U.S. Cl.
CPC ...
524419 ; 524418 ; 524421 ; 524429 ;
Abstract
A water-absorbent resin composition having superior gel stability which comprises a water-absorbent resin, at least one oxygen-containing reducing inorganic salt and, optionally, at least one organic antioxidant.