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:
Aug. 24, 1976

Filed:

Apr. 15, 1975
Applicant:
Inventors:

Ernest Jack Buckler, Sarnia, CA;

Michael Hugh Richmond, Sarnia, CA;

Assignee:

Polysar Limited, Sarnia, CA;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08K / ; C08L / ; C08L / ; C08L / ;
U.S. Cl.
CPC ...
260 / ; 260-5 ; 260 / ; 260 / ; 260 / ; 260 4256 ;
Abstract

A filled thermoplastic composition is produced by first preparing a masterbatch of an impact polystyrene, a rubber, an oil and a filler and by secondly mixing the masterbatch with a polystyrene composition. The filled thermoplastic composition has acceptable properties.


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