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. 26, 2010
Filed:
Mar. 31, 2009
Applicants:
Ryoji Soma, Toyonaka, JP;
Naoki Inui, Yamatokoriyama, JP;
Inventors:
Ryoji Soma, Toyonaka, JP;
Naoki Inui, Yamatokoriyama, JP;
Assignee:
Sumitomo Chemical Company, Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K 5/527 (2006.01); C08K 5/053 (2006.01);
U.S. Cl.
CPC ...
Abstract
A thermoplastic polymer composition having excellent resistance to heat discoloration has been desired. There is provided a thermoplastic polymer composition characterized by comprising a thermoplastic polymer, phosphites represented by the formula (I), and at least one kind of erythritols selected from the group consisting of pentaerythritol, dipentaerythritol and tripentaerythritol: