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:
May. 19, 2026
Filed:
Dec. 24, 2021
Applicant:
Mitsubishi Gas Chemical Company, Inc., Tokyo, JP;
Inventors:
Assignee:
Mitsubishi Gas Chemical Company, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 27/08 (2006.01); B32B 27/18 (2006.01); B32B 27/34 (2006.01); B32B 27/36 (2006.01); B65D 1/02 (2006.01); C11D 3/395 (2006.01);
U.S. Cl.
CPC ...
B32B 27/08 (2013.01); B32B 27/18 (2013.01); B32B 27/34 (2013.01); B32B 27/36 (2013.01); B65D 1/0215 (2013.01); C11D 3/3953 (2013.01); B32B 2250/24 (2013.01); B32B 2307/4026 (2013.01); B32B 2439/60 (2013.01);
Abstract
Provided is a multilayer hollow container including: a polyester layer containing a polyester resin (X); and a polyamide layer containing a polyamide resin (Y) and a yellowing inhibitor (A) with the polyamide layer being an intermediate layer and being present from a ground contact portion to a position of from 10 to 70% of a height of the multilayer hollow container. Also provided are a method for manufacturing the multilayer hollow container, and a method for manufacturing a recycled polyester, the method thereof including a step of recovering polyester from the multilayer hollow container.