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. 21, 1990
Filed:
Apr. 29, 1988
Applicant:
Inventors:
James C Randall, Jr, Seabrook, TX (US);
Ferdinand C Stehling, Baytown, TX (US);
Michael C Chen, Deer Park, TX (US);
Larry W Colwell, Friendswood, TX (US);
Assignee:
Exxon Chemical Patents Inc., Linden, NJ (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ; C08L / ; C08F / ;
U.S. Cl.
CPC ...
525322 ; 525323 ; 525240 ;
Abstract
A modified polypropylene having a substantially isotactic homopolypropylene and a propylene/olefin random copolymer, the modified polypropylene including up to about 50 chain disruptors per 1000 propylene repeat units. The chain disruptors are racemic polypropylene diads and olefin, the olefin being incorporated into the high end of the molecular weight distribution of the modified polypropylene.