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:
Sep. 08, 1998
Filed:
Nov. 22, 1996
Applicant:
Inventors:
Kenji Kimura, Osaka, JP;
Motohiko Samizo, Kyoto, JP;
Assignee:
Sumitomo Chemical Company, Limited, Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08K / ;
U.S. Cl.
CPC ...
524 99 ; 524100 ; 524101 ; 524102 ; 524108 ; 524117 ; 524291 ;
Abstract
A polymeric composition in which (D) a phenol antioxidant having a specific skeleton 5-t-butyl-3-methyl-4-hydroxyphenyl, (C) a hindered amine photostabilizer having a molecular weight of not less than 400, and (D) a specific phosphorus compound dihydrooxaphosphaphenanthrene are included in (A) a polymeric compound. This polymeric composition is excellent in thermal oxidation degradation resistance and discoloration of coloring resistance in contacting with a combustion gas or the like.