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. 13, 1988
Filed:
Feb. 04, 1987
Applicant:
Inventors:
Hideharu Shirai, Nara, JP;
Fumito Yamai, Kusatsu, JP;
Setsuo Inada, Nara, JP;
Hisashi Ike, Nara, JP;
Yoshifumi Nakahara, Nara, JP;
Assignee:
Sekisui Kaseihin Kogyo Kabushiki Kaisha, Nara, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
525 5423 ; 525 5426 ; 5253301 ; 5253302 ; 525370 ; 525371 ; 525372 ;
Abstract
A water-absorbent resin of polyacrylic acid series characterized in that the resin has the crosslinked surface formed by reacting a powdery water-absorbent resin of polyacrylic acid series with an aluminum compound which can react with the powdery resin in the presence of polyhydric alcohol and water.