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. 01, 1976
Filed:
Apr. 18, 1974
Applicant:
Inventors:
Hisataka Komai, Kawasaki, JA;
Atsuo Ishikawa, Kawasaki, JA;
Assignee:
Nippon Zeon Co., Ltd., Tokyo, JA;
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ;
U.S. Cl.
CPC ...
526237 ; 260-5 ; 2608 / ; 2608 / ; 526283 ; 526308 ; 526339 ; 526350 ;
Abstract
Hydrocarbon resins having a softening point of 60.degree.-140.degree.C and a Gardner color of 6 or less and having excellent cohesive strength and thermal stability prepared by copolymerizing 1,3-pentadiene and cyclopentene, together with, if desired, 1,3-butadiene or isobutene and small amounts of incidental other olefins in the presence of aluminum chloride.