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:
Nov. 05, 1985
Filed:
Dec. 27, 1984
Applicant:
Inventors:
Akinobu Shiga, Tokyo, JP;
Masahiro Kakugo, Chiba, JP;
Junpei Kojima, Chiba, JP;
Kizuku Wakatsuki, Chiba, JP;
Assignee:
Sumitomo Chemical Company, Limited, Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08L / ; C08L / ; C08L / ;
U.S. Cl.
CPC ...
525 88 ; 525 89 ; 525 95 ; 525216 ; 525297 ;
Abstract
A crystalline propylene polymer composition having excellent transparency and rigidity comprising a blend of a crystalline polypropylene with a polymer of a vinyl cycloalkane having at least 6 carbon atoms. The composition contains 0.05 weight ppm to 10,000 weight ppm of the vinyl cycloalkane unit.