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. 25, 1996
Filed:
Jun. 30, 1995
Applicant:
Inventor:
Morris R Schoenberg, Naperville, IL (US);
Assignee:
Amoco Corporation, Chicago, IL (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
525345 ; 5253338 ; 5253339 ;
Abstract
This invention relates to a peroxide process for preparation of controlled rheology polypropylene resins wherein 2,5-dimethyl-2,5-bis(t-butylperoxy)hexane is the peroxide and the melt flow rate is increased by the presence of a thioester of the general formula ##STR1## wherein n is a whole number of from 6 to 16.