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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 12545015 B1

PDFFull Text
Date of Patent:
Feb. 10, 2026

Filed:

Jan. 31, 2022

Barrier paper packaging film

Applicant:

Amcor Flexibles North America, Inc., Neenah, WI (US);

Inventors:

Nils De Rybel, Destelbergen, BE;

Peter Ettridge, Worcester, GB;

Pieter Cools, Aalter, BE;

Steven Birch, Worcester, GB;

Paul Stewart, Grange-over-Sands, GB;

Assignee:

AMCOR FLEXIBLES NORTH AMERICA, INC., Neenah, WI (US);

Attorney:
Primary Examiner:

Ramsey Zacharia

Int. Cl.
CPC ...
B32B 27/10 (2006.01); B32B 7/12 (2006.01); B32B 27/08 (2006.01); B32B 27/12 (2006.01); B32B 27/30 (2006.01); B32B 27/32 (2006.01); B32B 27/36 (2006.01); B32B 29/00 (2006.01); B32B 33/00 (2006.01); B65D 75/00 (2006.01); B65D 75/12 (2006.01); B65D 65/40 (2006.01);
U.S. Cl.
CPC ...
B32B 27/10 (2013.01); B32B 7/12 (2013.01); B32B 27/08 (2013.01); B32B 27/12 (2013.01); B32B 27/306 (2013.01); B32B 27/32 (2013.01); B32B 27/36 (2013.01); B32B 29/002 (2013.01); B32B 33/00 (2013.01); B65D 75/008 (2013.01); B65D 75/12 (2013.01); B32B 2250/03 (2013.01); B32B 2255/10 (2013.01); B32B 2255/20 (2013.01); B32B 2255/205 (2013.01); B32B 2255/24 (2013.01); B32B 2255/28 (2013.01); B32B 2305/70 (2013.01); B32B 2307/31 (2013.01); B32B 2307/718 (2013.01); B32B 2307/7244 (2013.01); B32B 2307/7246 (2013.01); B32B 2307/7376 (2023.05); B32B 2553/00 (2013.01); B65D 65/40 (2013.01);
Abstract

A paper-based packaging film comprising a fiber-based component, a polymeric film comprising a thickness from 2 micron and 8 micron, the polymeric film coated with a barrier material comprising a metal, a metal oxide or an inorganic oxide, a layer comprising a heat sealable polymer, and an adhesive layer located between the fiber-based component and the barrier material. The polymeric film is one of oriented polyester film, oriented polylactic acid film, polyester, polylactic acid, ethylene vinyl alcohol copolymer and polyvinyl alcohol copolymer, and the total composition of the paper-based packaging film includes a fiber content greater than 80%, by weight.

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