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:
Jun. 25, 1991
Filed:
Sep. 28, 1990
Applicant:
Inventors:
Minoru Takizawa, Moriya, JP;
Michiei Nakamura, Soka, JP;
Hitoshi Takeuchi, Showa, JP;
Shigeru Sakamoto, Kuki, JP;
Shojiro Horiguchi, Omiya, JP;
Assignee:
Dainichiseika Color & Chemicals Mfg. Co., Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F / ; C08L / ; C08L / ; C08K / ;
U.S. Cl.
CPC ...
525301 ; 525 64 ; 525 66 ; 525 71 ; 525 76 ; 525 77 ; 525 78 ; 525 80 ; 525 86 ; 524588 ; 524589 ; 524599 ;
Abstract
A water swellable resin composition comprises a water swellable resin and a medium such as a plasticizer, solvent, resin or resin solution. The resin is an alkali metal salt and/or hydrophilic amine salt of a copolymer of hydrophobic polymer chains having an .alpha.,.beta.-ethylenically-unsaturated group at end thereof and a monomer composed principally of (meth)acrylic acid.