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:
May. 20, 1986
Filed:
Oct. 24, 1984
Applicant:
Inventors:
Morio Nakamura, Kakogawa, JP;
Shigeji Obayashi, Akashi, JP;
Shinichi Takemori, Takasago, JP;
Hitoshi Tanaka, Kakogawa, JP;
Motomu Hirakawa, Kakogawa, JP;
Assignee:
Seitetsu Kagaku Co., Ltd., Hyogo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ; C08L / ; C08L / ; C08L / ;
U.S. Cl.
CPC ...
523130 ; 524 43 ; 524 44 ; 524 45 ; 525 543 ; 525 5431 ; 525 5432 ; 525 57 ; 525199 ; 525215 ; 525232 ;
Abstract
Water-swellable elastomer composition consisting essentially of a homogeneous mixture of an elastomer, a water-absorbent resin and a water-soluble resin. Said composition exhibits a high degree of swelling and a high swelling rate when it is soaked in water. Also, said composition retains swellability even when it is put in contact with water for a long period of time.