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:
Aug. 27, 2024
Filed:
Jul. 22, 2020
Applicant:
Toppan Inc., Tokyo, JP;
Inventors:
Assignee:
TOPPAN INC., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65D 65/40 (2006.01); B65D 47/06 (2006.01); C09D 167/02 (2006.01);
U.S. Cl.
CPC ...
B65D 65/40 (2013.01); B65D 47/06 (2013.01); C09D 167/02 (2013.01); B65D 2565/385 (2013.01); B65D 2565/387 (2013.01);
Abstract
The present disclosure relates to a gas barrier layered body including: a substrate layer containing a polyolefin-based resin; a first polyvinyl alcohol-based resin layer; a Si or Al-containing thin film layer; and a second polyvinyl alcohol-based resin layer, in the stated order, in which a logarithmic decrement at 100° C. of the first polyvinyl alcohol-based resin layer as measured by a rigid-body pendulum type physical property testing instrument is 0.20 or less and a logarithmic decrement at 125° C. is 0.30 or less, and an indentation hardness of the second polyvinyl alcohol-based resin layer as determined by a nanoindenter is 0.5 to 1.0 GPa.