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.

Date of Patent:
May. 11, 2021

Filed:

Dec. 21, 2016
Applicant:

Toyobo Co., Ltd., Osaka, JP;

Inventors:

Takuya Shimoharai, Shiga, JP;

Satoru Horiguchi, Shiga, JP;

Junichi Yasui, Shiga, JP;

Assignee:

TOYOBO CO., LTD., Osaka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 67/02 (2006.01); C08J 3/22 (2006.01); C08K 5/098 (2006.01); C08L 25/14 (2006.01); G02B 1/04 (2006.01); G02B 5/08 (2006.01); C08J 3/20 (2006.01);
U.S. Cl.
CPC ...
C08L 67/02 (2013.01); C08J 3/203 (2013.01); C08J 3/22 (2013.01); C08J 3/226 (2013.01); C08K 5/098 (2013.01); C08L 25/14 (2013.01); G02B 1/04 (2013.01); G02B 5/08 (2013.01); C08J 2367/02 (2013.01); C08J 2425/14 (2013.01); C08J 2467/02 (2013.01);
Abstract

A polyester resin composition includes a polyester resin A containing 70 to 100% by mass of a polybutylene terephthalate resin and 0 to 30% by mass of a polyethylene terephthalate resin, and includes a metal organic acid salt B that is either one or both of an alkali metal organic acid salt and an alkaline earth metal organic acid salt and a predetermined amount of a polyfunctional glycidyl group-containing styrene-based polymer C, and the polyester resin composition contains either one or both of alkali metal atoms and alkaline earth metal atoms in a predetermined amount based on 100 parts by mass of the polyester resin A, and further, the content of linear oligomers of polybutylene terephthalate or the content of the linear oligomers of polybutylene terephthalate and the linear oligomers of polyethylene terephthalate is less than or equal to 1000 mg/kg.


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