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. 02, 1978
Filed:
May. 15, 1975
Applicant:
Inventors:
Ivor R Fielding, Naperville, IL (US);
Wassily Poppe, Lombard, IL (US);
Assignee:
Standard Oil Company (Indiana), Chicago, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
2608 / ;
Abstract
Polypropylene composition having improved knit-line properties comprising from 5 to 30 parts by weight of a saturated ethylene-propylene rubber, correspondingly 95 to 70 parts by weight crystalline homopolymeric polypropylene and from 0.01 to 0.2 parts by weight of an organic peroxide per each 100 parts by weight of the total concentration of saturated ethylene-propylene rubber and polypropylene.