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. 05, 1987
Filed:
Jun. 20, 1985
Applicant:
Inventors:
Masahiro Kakugo, Chiba, JP;
Kizuku Wakatsuki, Chiba, JP;
Assignee:
Sumitomo Chemical Company, Limited, Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
525297 ; 525210 ; 525216 ; 526282 ; 526308 ;
Abstract
A crystalline polybutene-1 composition containing from 1.times.10.sup.-6 to 10% byweight of a vinylcycloalkane unit having a melting point of 180.degree. C. or higher in terms of its homopolymer, is disclosed. The composition has a markedly improved rate of crystal conversion of polybutene-1.