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:
Feb. 27, 2024
Filed:
Feb. 15, 2017
Mitsubishi Gas Chemical Company, Inc., Tokyo, JP;
Shota Arakawa, Kanagawa, JP;
Toshiya Naito, Tokyo, JP;
Satoshi Okada, Kanagawa, JP;
Kenichiro Usuda, Kanagawa, JP;
Takumi Toida, Niigata, JP;
Haruka Okazaki, Tokyo, JP;
Fumihiro Ito, Tokyo, JP;
MITSUBISHI GAS CHEMICAL COMPANY, INC., Tokyo, JP;
Abstract
Provided is a multilayer vessel excellent in gas barrier performance and transparency and its application. The multilayer vessel contains a layer (X) that contains at least one type of polyolefin resin as the major ingredient; and a layer (Y) that contains a polyamide resin (A) as the major ingredient, the polyamide resin (A) being composed of a structural unit derived from diamine, and a structural unit derived from dicarboxylic acid, 70 mol % or more of the structural unit derived from diamine being derived from metaxylylenediamine, meanwhile 30 to 60 mol % of the structural unit derived from dicarboxylic acid being derived from straight chain aliphatic α,ω-dicarboxylic acid having 4 to 20 carbon atoms, and 70 to 40 mol % being derived from isophthalic acid.