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:
Apr. 21, 2026
Filed:
Feb. 08, 2021
Kuraray Co., Ltd., Okayama, JP;
Nobuhiro Oya, Tsukuba, JP;
KURARAY CO., LTD., Okayama, JP;
Abstract
There is provided a molded article for water related application which can prevent molecular cleavage of polyamide caused by a radical generated from a chlorine-based oxidizing substance contained for sterilization in tap water, thereby preventing a degradation in the performance of the molded article. The molded article for water related application comprises a resin composition comprising; 100 parts by mass of a semi-aromatic polyamide (A); 10 to 200 parts by mass of an inorganic filler (B); and 0.1 to 2.0 parts by mass of a phenolic antioxidant (C), wherein the semi-aromatic polyamide (A) includes dicarboxylic acid units composed mainly of aromatic dicarboxylic acid units, and diamine units composed mainly of aliphatic diamine units, and wherein the phenolic antioxidant (C) has, in the molecule, a structure represented by the following formula (1); where ** represents a linking moiety.
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