logo

For the Inventor, By the Inventor

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 12252318 B1

PDFFull Text
Date of Patent:
Mar. 18, 2025

Filed:

Jun. 11, 2021

Gas-barrier laminate and packaging bag

Applicant:

Toppan Holdings Inc., Tokyo, JP;

Inventors:

Rika Ishii, Tokyo, JP;

Junichi Kaminaga, Tokyo, JP;

Yoshiki Koshiyama, Tokyo, JP;

Yumiko Kojima, Tokyo, JP;

Assignee:

TOPPAN Holdings Inc., Tokyo, JP;

Attorney:

Studebaker Brackett PLLC

Primary Examiner:

Peter N Helvey

Int. Cl.
CPC ...
B65D 65/42 (2006.01); B65D 30/08 (2006.01); B65D 30/20 (2006.01); B65D 81/24 (2006.01);
U.S. Cl.
CPC ...
B65D 65/42 (2013.01); B65D 31/02 (2013.01); B65D 31/10 (2013.01); B65D 81/24 (2013.01); B65D 2565/385 (2013.01); B65D 2565/387 (2013.01);
Abstract

Provided is a gas barrier laminate including: a paper substrate; an anchor coat layer including a first polyolefin having a polar group; a vapor-deposited layer; and an overcoat layer including a second polyolefin having a polar group, in order, in which the gas barrier laminate includes a layer including a polyvinyl alcohol-based resin between the paper substrate and the anchor coat layer or between the anchor coat layer and the vapor-deposited layer.

Find Patent Forward Citations

Ishii, Rika. (2025). Gas-barrier laminate and packaging bag (U.S. Patent No. 12252318). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12252318

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

Loading…