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.
Patent No.:
Date of Patent:
Oct. 05, 1976
Filed:
Apr. 28, 1975
Applicant:
Inventors:
Eddie Wardlow, Jr, Cleveland, OH (US);
Raymond S Shank, Brecksville, OH (US);
Assignee:
Standard Oil Company, Cleveland, OH (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08K / ;
U.S. Cl.
CPC ...
2608 / ; 260 / ; 2608 / ; 260879 ;
Abstract
The present invention relates to a method for stabilizing thermoplastic nitrile resins against thermal discoloration by the inclusion in the resins of acid esters of certain polycarboxylic acid compounds in amounts of from 0.1 to 1.5 parts by weight per 100 parts of resin.