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:
Jun. 18, 1985

Filed:

May. 21, 1982
Applicant:
Inventor:

Yun C Sun, Midland, MI (US);

Assignee:

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

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ; C08L / ; C08L / ;
U.S. Cl.
CPC ...
525 71 ; 525 99 ;
Abstract

Improved combinations of gloss and toughness are obtained in rubber-modified, impact-resistant monovinylidene aromatic polymer compositions when mass-produced particles consisting of a blend of polybutadiene with a block copolymer rubber are dispersed therein. Advantageously, the rubber-modified polymer compositions also comprise one or more groups of emulsion-produced rubber particles.


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