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:
Sep. 23, 2025
Filed:
Feb. 15, 2021
Toyobo Co., Ltd., Osaka, JP;
Satoru Horiguchi, Otsu, JP;
Yoshitaka Ayuzawa, Otsu, JP;
TOYOBO MC CORPORATION, Osaka, JP;
Abstract
The present invention is a flame retardant polyester resin composition that contains 3 to 74% by mass of a polybutylene terephthalate resin (A), 3 to 60% by mass of a polyethylene terephthalate resin (B1), 3 to 50% by mass of a copolyester resin (B2), 10 to 50% by mass of a halogen-free flame retardant (C), and 10 to 40% by mass of a glass fiber (D), wherein the copolyester resin (B2) is a polyester resin obtained by copolymerizing an ethylene terephthalate unit with at least one selected from the group consisting of neopentyl glycol, 1,2-propanediol, diethylene glycol, 1,4-cyclohexanedimethanol, and isophthalic acid, and that satisfies prescribed characteristics.