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:
Aug. 01, 2023

Filed:

Jan. 26, 2018
Applicant:

Toyobo Co., Ltd., Osaka, JP;

Inventors:

Takuya Shimoharai, Otsu, JP;

Yasuto Fujii, Otsu, JP;

Takahiro Shimizu, Otsu, JP;

Assignee:

TOYOBO CO., LTD., Osaka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 67/02 (2006.01); C08L 25/04 (2006.01); G02B 1/04 (2006.01); G02B 5/08 (2006.01); C08L 25/12 (2006.01);
U.S. Cl.
CPC ...
C08L 67/02 (2013.01); C08L 25/04 (2013.01); G02B 1/04 (2013.01); G02B 5/0808 (2013.01); C08L 25/12 (2013.01); C08L 2205/025 (2013.01); C08L 2205/03 (2013.01); C08L 2666/58 (2013.01); C08L 2666/62 (2013.01);
Abstract

A polyester resin composition contains a polyester resin A containing 50 to 100 mass % of a polybutylene terephthalate resin and 0 to 50 mass % of a polyethylene terephthalate resin. The polyester resin composition further contains a predetermined amount of a metal organic acid salt B, which is either or both of an alkali metal organic acid salt and an alkaline earth metal organic acid salt; a predetermined amount of a styrenic resin C; and a predetermined amount of an inorganic filler D. The amount of linear oligomers of polybutylene terephthalate or the amount of the linear oligomers of polybutylene terephthalate and linear oligomers of polyethylene terephthalate is less than or equal to 1000 mg/kg. Inorganic filler D has an average particle size of 0.05 to 3 μm.


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