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. 04, 1991
Filed:
May. 24, 1990
Applicant:
Inventors:
Robert C Puydak, Cranbury, NJ (US);
Donald R Hazelton, Chatham, NJ (US);
Silvestro Cartasegna, Brussels, BE;
Leonard Dogniez, Brussels, BE;
Assignee:
Exxon Chemical Company, Linden, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ; C08L / ; C08L / ; C08K / ;
U.S. Cl.
CPC ...
524525 ; 525192 ; 525193 ; 525194 ; 525232 ;
Abstract
Thermoplastic polyolefin (TPO) compositions which have superior long-term heat aging characteristics are prepared by blending a crystalline thermoplastic resin with a halobutyl rubber under conditions of dynamic vulcanization and in the presence of a maleimide curative.