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:
Mar. 28, 1995
Filed:
Oct. 23, 1991
Applicant:
Inventors:
Kozo Kotani, Osaka, JP;
Taiichi Sakaya, Osaka, JP;
Assignee:
Sumitomo Chemical Company, Limited, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K / ; C08K / ; C08K / ; C08K / ; C08K / ; C08K / ;
U.S. Cl.
CPC ...
524414 ; 524 96 ; 524 97 ; 524 99 ; 524100 ; 524102 ; 524120 ; 524128 ; 524151 ; 524153 ; 524291 ; 524386 ; 524415 ; 524155 ;
Abstract
A highly antioxidant resin composition containing a resin, a solution of a hypophosphite compound in an organic solvent, a heat stabilizer and a hindered amine base weathering stabilizer, which has improved heat stability and weather resistance. The hypophosphite compound is preferably dissolved in a polyvalent alcohol having a molecular weight of not more than 50,000.