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.

Date of Patent:
Mar. 20, 1990

Filed:

Sep. 24, 1987
Applicant:
Inventor:

Robert T Johnston, Lake Jackson, TX (US);

Assignee:

The Dow Chemical Company, Midland, MI (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
525 75 ; 525 70 ; 525 72 ; 525 76 ; 525 77 ; 525 78 ; 525 80 ; 525 84 ; 525240 ; 525931 ;
Abstract

A film prepared from a compatibilized resin blend comprising an olefin polymer, a polymer of a vinyl aromatic monomer and a compatibilizing amount of a graft copolymer of a vinyl aromatic monomer and an EPDM rubber exhibits improved properties making it highly desirable in such end uses as grocery and trash bags.


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