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:
Jul. 03, 1979

Filed:

Aug. 18, 1977
Applicant:
Inventor:

Irving Rosen, Warrensville Heights, OH (US);

Assignee:

The Standard Oil Company, Cleveland, OH (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
525230 ; 525209 ; 525213 ; 525 72 ; 525 76 ; 525 84 ; 525 83 ;
Abstract

Blends of a copolymer of methyl methacrylate and styrene with an acrylonitrile-styrene copolymer have improved optical, mechanical and gas barrier properties as well as improved processability.


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