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:
Jan. 30, 1990

Filed:

Dec. 28, 1987
Applicant:
Inventor:

William G Williams, Baton Rouge, LA (US);

Assignee:

Copolymer Rubber & Chemical Corp., Baton Rouge, LA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ; C08L / ; C08L / ;
U.S. Cl.
CPC ...
525 66 ; 525 64 ; 525 67 ; 525 68 ; 525 74 ; 525 75 ; 525 78 ; 525 80 ;
Abstract

A thermoplastic molding composition and modifier for improving the impact strength and toughness thereof in which the modifier is the combination of (1) an EPM or EPDM rubber grafted with an alpha-beta unsaturated dicarboxylic acid or anhydride or an epoxy functional alpha-beta ethylenically unsaturated hydrocarbon and (2) an epoxy acrylate oligomer of bisphenol A.


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