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:
Jan. 04, 2005
Filed:
Mar. 14, 2003
Applicants:
Satoshi Okamoto, Ibaraki, JP;
Manabu Hirakawa, Ibaraki, JP;
Inventors:
Satoshi Okamoto, Ibaraki, JP;
Manabu Hirakawa, Ibaraki, JP;
Assignee:
Sumitomo Chemical Company, Limited, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 1938 ; C09K 1954 ; C09K 1952 ; C08L 6700 ;
U.S. Cl.
CPC ...
Abstract
An object of the present invention is to provide a liquid crystalline polyester resin composition to produce a molded article without generating black foreign materials even if exposed to high temperature. This object is achieved by providing a liquid crystalline polyester resin composition comprising a liquid crystalline polyester and at least one phosphite compound of the formula (I):wherein, Rrepresents a hydrogen atom or, an alkyl group having 1 to 4 carbon atoms or a phenyl group, and Rrepresents an alkyl group having 1 to 4 carbon atoms or a phenyl group.