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:
Jul. 12, 1988
Filed:
Feb. 06, 1987
Applicant:
Inventor:
Vaughn M Nace, Lake Jackson, TX (US);
Assignee:
The Dow Chemical Company, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K / ; C08K / ;
U.S. Cl.
CPC ...
524211 ; 524318 ; 524322 ;
Abstract
Carbonate polymer compositions are rendered gamma ray resistant by the incorporation of 100 to 50,000 ppm of one or more linolenic compounds. Compared to the controls, the compositions of the invention have a reduced yellowing after exposure to cobalt 60 radiation.