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:
Jun. 24, 2025
Filed:
Aug. 11, 2021
Applicant:
Mitsubishi Gas Chemical Company, Inc., Tokyo, JP;
Inventors:
Assignee:
Mitsubishi Gas Chemical Company, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65D 65/40 (2006.01); B29C 49/06 (2006.01); B29C 49/22 (2006.01); B32B 27/08 (2006.01); B32B 27/20 (2006.01); B32B 27/34 (2006.01); B32B 27/36 (2006.01); B29K 67/00 (2006.01); B29K 77/00 (2006.01); B29L 31/00 (2006.01);
U.S. Cl.
CPC ...
B65D 65/40 (2013.01); B29C 49/06 (2013.01); B29C 49/22 (2013.01); B32B 27/08 (2013.01); B32B 27/20 (2013.01); B32B 27/34 (2013.01); B32B 27/36 (2013.01); B29K 2067/00 (2013.01); B29K 2077/00 (2013.01); B29K 2995/0058 (2013.01); B29L 2031/712 (2013.01); B32B 2250/24 (2013.01); B32B 2307/4026 (2013.01); B32B 2307/714 (2013.01); B32B 2439/00 (2013.01);
Abstract
Provided is a multilayer container having a polyester layer containing a polyester resin (X), and a polyamide layer containing a polyamide resin (Y) and a yellowing inhibitor (A). 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. The content of the yellowing inhibitor (A) is from 400 to 800 ppm relative to the polyamide layer. An L* of the multilayer container is 87.5 or greater.