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:
Mar. 18, 2025
Filed:
Jun. 11, 2021
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:
Primary Examiner:
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.