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:
Aug. 23, 1983
Filed:
Aug. 18, 1982
Applicant:
Inventors:
Riso Iwata, Tokyo, JP;
Akira Wada, Yokohama, JP;
Assignee:
Nippon Zeon Co. Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ; C08L / ;
U.S. Cl.
CPC ...
525 57 ; 525192 ; 525203 ; 525207 ; 525218 ; 525221 ; 525223 ; 525227 ; 525228 ; 525230 ;
Abstract
An acrylic adhesive composition comprising an acrylic polymer as a base resin and a modified cyclopentadiene resin having a softening point of at least 60.degree. C. obtained by copolymerizing (a) 85 to 50% by weight of a cyclopentadiene monomer and (b) 15 to 50% by weight of a polar vinyl monomer or a hydrogenation product of said cyclopentadiene resin as a tackifier.