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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 11535437 B1

PDFFull Text
Date of Patent:
Dec. 27, 2022

Filed:

Sep. 27, 2018

Gas barrier film

Applicant:

Toppan Printing Co., Ltd., Tokyo, JP;

Inventors:

Ryoji Ishii, Tokyo, JP;

Takeshi Nishikawa, Tokyo, JP;

Tadashi Hongo, Tokyo, JP;

Assignee:

TOPPAN PRINTING CO., LTD., Tokyo, JP;

Attorney:

Foley & Lardner LLP

Primary Examiner:

Vivian Chen

Int. Cl.
CPC ...
B65D 65/40 (2006.01); B32B 27/36 (2006.01); B32B 9/00 (2006.01); C08J 7/04 (2020.01); C08J 7/043 (2020.01); C08J 7/048 (2020.01); B05D 7/04 (2006.01); C08L 83/02 (2006.01); C09D 183/02 (2006.01); C09D 129/04 (2006.01); C08L 29/04 (2006.01);
U.S. Cl.
CPC ...
B65D 65/40 (2013.01); B32B 9/00 (2013.01); B32B 27/36 (2013.01); C08J 7/043 (2020.01); C08J 7/048 (2020.01); C08J 7/0423 (2020.01); B05D 7/04 (2013.01); B32B 2255/10 (2013.01); B32B 2255/20 (2013.01); B32B 2255/26 (2013.01); B32B 2255/28 (2013.01); B32B 2307/50 (2013.01); B32B 2307/7242 (2013.01); B32B 2307/7244 (2013.01); B32B 2307/7246 (2013.01); B32B 2307/734 (2013.01); B32B 2367/00 (2013.01); B32B 2439/70 (2013.01); B32B 2439/80 (2013.01); C08J 2367/02 (2013.01); C08J 2367/03 (2013.01); C08J 2429/04 (2013.01); C08J 2483/02 (2013.01); C08L 29/04 (2013.01); C08L 83/02 (2013.01); C08L 2201/14 (2013.01); C08L 2203/16 (2013.01); C09D 129/04 (2013.01); C09D 183/02 (2013.01); Y10T 428/31786 (2015.04);
Abstract

A gas barrier film that includes at least a film base material including a polyester resin having a butylene terephthalate unit as a main constituent unit, and one or more metal oxide layers wherein the gas barrier film has a heat shrinkage rate in the machine direction (MD direction) after heating for 30 minutes at 150° C. of 0.6% or more but less than 3.0%, the heat shrinkage rate being represented by the following formula: Heat shrinkage rate={(Length before heating−Length after heating)/Length before heating}×100(%).

Find Patent Forward Citations

Ishii, Ryoji. (2022). Gas barrier film (U.S. Patent No. 11535437). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11535437

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

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