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. 10, 2026
Filed:
Sep. 29, 2021
Applicant:
Toppan Holdings Inc., Tokyo, JP;
Inventors:
Junichi Kaminaga, Tokyo, JP;
Yoshiki Koshiyama, Tokyo, JP;
Yumiko Kojima, Tokyo, JP;
Rika Ishii, Tokyo, JP;
Assignee:
TOPPAN Holdings Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65D 30/20 (2006.01); B32B 27/30 (2006.01); B65D 30/08 (2006.01); B65D 65/38 (2006.01);
U.S. Cl.
CPC ...
B65D 31/10 (2013.01); B32B 27/306 (2013.01); B65D 31/02 (2013.01); B65D 65/38 (2013.01); B65D 2565/385 (2013.01); B65D 2565/387 (2013.01);
Abstract
Provided is a gas barrier laminate being capable of hermetic sealing by heat sealing and having a paper substrate and a vapor-deposited layer, in which the paper substrate has a basis weight of 30 to 100 g/m, and the water vapor transmission rate and the oxygen transmission rate of the gas barrier laminate are in specific ranges, respectively.