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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.:

US 12214573 B1

PDFFull Text
Date of Patent:
Feb. 04, 2025

Filed:

Jan. 27, 2022

Gas barrier laminate and packaging material using the same

Applicant:

Toppan Inc., Tokyo, JP;

Inventor:

Ayumi Tanaka, Tokyo, JP;

Assignee:

TOPPAN INC., Tokyo, JP;

Attorney:

Foley & Lardner LLP

Primary Examiner:

Tamra L Dicus

Int. Cl.
CPC ...
B32B 27/08 (2006.01); B32B 7/12 (2006.01); B32B 27/30 (2006.01); B32B 27/32 (2006.01); B65D 65/40 (2006.01); B65D 65/42 (2006.01); C23C 14/08 (2006.01); C23C 14/10 (2006.01); C23C 14/24 (2006.01);
U.S. Cl.
CPC ...
B32B 27/08 (2013.01); B32B 7/12 (2013.01); B32B 27/306 (2013.01); B32B 27/32 (2013.01); B65D 65/40 (2013.01); B65D 65/42 (2013.01); C23C 14/081 (2013.01); C23C 14/10 (2013.01); C23C 14/24 (2013.01); B32B 2250/03 (2013.01); B32B 2250/246 (2013.01); B32B 2255/10 (2013.01); B32B 2255/20 (2013.01); B32B 2255/26 (2013.01); B32B 2307/516 (2013.01); B32B 2307/538 (2013.01); B32B 2307/7244 (2013.01); B32B 2307/732 (2013.01); B32B 2553/00 (2013.01);
Abstract

A gas barrier laminate includes a polypropylene substrate layer; a first polyvinyl alcohol resin layer; and a metal oxide layer, which are laminated in this order, wherein the first polyvinyl alcohol resin layer has a mass per unit area of 0.5 to 2.5 g/m; and, a packaging material includes the above gas barrier laminate and a polypropylene sealant layer disposed on a surface of the gas barrier laminate, wherein a mass ratio of a sum of the polypropylene substrate layer and the polypropylene sealant layer to a total mass of the packaging material is 85 mass % or more.

Find Patent Forward Citations

Tanaka, Ayumi. (2025). Gas barrier laminate and packaging material using the same (U.S. Patent No. 12214573). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12214573

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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