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. 11, 2026
Filed:
Feb. 21, 2022
Applicant:
Toppan Holdings Inc., Tokyo, JP;
Inventor:
Miki Fukugami, Tokyo, JP;
Assignee:
TOPPAN Holdings Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 27/08 (2006.01); B32B 27/32 (2006.01); B65D 65/40 (2006.01);
U.S. Cl.
CPC ...
B32B 27/08 (2013.01); B32B 27/32 (2013.01); B65D 65/40 (2013.01); B32B 2255/10 (2013.01); B32B 2255/20 (2013.01); B32B 2255/26 (2013.01); B32B 2255/28 (2013.01); B32B 2307/514 (2013.01); B32B 2307/7244 (2013.01); B32B 2307/748 (2013.01); B32B 2553/00 (2013.01);
Abstract
A barrier film including a substrate film containing a polyolefin, in which when both surfaces of the barrier film are analyzed with a fluorescent X-ray analyzer, a value obtained by dividing a sum of fluorescent X-ray intensities of chlorine detected from the both surfaces by a thickness of the substrate film (the sum of fluorescent X-ray intensities of chlorine/the thickness of the substrate film) is 0.015 kcps/μm or less.
Fukugami, Miki. (2026). Barrier film and laminate (U.S. Patent No. 12703177). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12703177
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile