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:
Jan. 15, 1991
Filed:
Feb. 14, 1989
Applicant:
Inventors:
Makoto Nishikawa, Kashima, JP;
Hideo Takamatsu, Kashima, JP;
Masao Ishii, Kashima, JP;
Shobu Minatono, Kashima, JP;
Assignee:
Kuraray Company Ltd., Kurashiki, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09J / ; C08L / ;
U.S. Cl.
CPC ...
525 89 ; 525 92 ;
Abstract
A pressure sensitive adhesive composition is provided which comprises a tri-block copolymer (a) consisting of aromatic vinyl block-conjugated diene block-aromatic vinyl block in which the conjugated diene moiety is hydrogenated and a block copolymer (b) consisting of an aromatic vinyl block and a conjugated diene block in which the conjugated diene moiety is hydrogenated. The adhesive composition is significantly improved in low temperatures characteristics, adhesion and processability with good adhesion.