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. 19, 1987
Filed:
Dec. 10, 1985
Applicant:
Inventors:
Paula S Weissberger, Albany, NY (US);
Bennie M Lucas, Odessa, TX (US);
Assignee:
El Paso Products Company, Odessa, TX (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08K / ; C08K / ; C08K / ; G21F / ;
U.S. Cl.
CPC ...
523137 ; 524102 ; 524120 ; 524508 ; 524518 ;
Abstract
A propylene polymer molding composition which is resistant to discoloration and losses in physical properties upon sterilization by high energy radiation is comprised of a blend of a propylene polymer with small amounts of a polymeric hindered amine, an alkyl phosphite and a specific hindered phenolic antioxidant as necessary additives.