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:
Jan. 02, 2024

Filed:

Feb. 25, 2021
Applicant:

Mitsubishi Gas Chemical Company, Inc., Tokyo, JP;

Inventors:

Kosuke Otsuka, Kanagawa, JP;

Masayuki Daito, Kanagawa, JP;

Takumi Yamada, Kanagawa, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 27/08 (2006.01); B32B 27/20 (2006.01); B32B 27/34 (2006.01); B32B 27/36 (2006.01);
U.S. Cl.
CPC ...
B32B 27/08 (2013.01); B32B 27/20 (2013.01); B32B 27/34 (2013.01); B32B 27/36 (2013.01); B32B 2270/00 (2013.01); B32B 2307/4026 (2013.01); B32B 2439/00 (2013.01);
Abstract

Provided is a multilayer container including a polyester layer containing a polyester resin (X), and a polyamide layer containing a polyamide resin (Y), a yellowing inhibitor (A), and an oxidation accelerator (B). The content of the polyamide resin (Y) is from 0.05 to 7.0 mass % relative to the total amount of all polyamide layers and all polyester layers. The yellowing inhibitor (A) is a dye, and the content of the yellowing inhibitor (A) is from 1 to 30 ppm relative to the total amount of all polyamide layers and all polyester layers.


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