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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 9662863 B1

PDFFull Text
Date of Patent:
May. 30, 2017

Filed:

Sep. 27, 2012

Multilayer barrier film, a packaging laminate comprising the film, a packaging container formed from the packaging laminate and a method for the production of the film

Applicant:

Tetra Laval Holdings & Finance S.a., Pully, CH;

Inventors:

Cesare Lorenzetti, Bulle, CH;

Lisa Rey, Botterens, CH;

Assignee:

Tetra Laval Holdings & Finance S.A., Pully, CH;

Attorney:

Finnegan, Henderson, Farabow, Garrett & Dunner LLP

Primary Examiner:

Michael C Miggins

Int. Cl.
CPC ...
B32B 27/08 (2006.01); B32B 27/10 (2006.01); B32B 27/32 (2006.01); B32B 7/12 (2006.01); B32B 27/30 (2006.01); B29C 47/00 (2006.01); B29C 47/06 (2006.01); B32B 1/02 (2006.01); B32B 7/02 (2006.01);
U.S. Cl.
CPC ...
B32B 27/08 (2013.01); B29C 47/0057 (2013.01); B29C 47/06 (2013.01); B32B 1/02 (2013.01); B32B 7/02 (2013.01); B32B 7/12 (2013.01); B32B 27/10 (2013.01); B32B 27/306 (2013.01); B32B 27/32 (2013.01); B32B 27/327 (2013.01); B32B 2250/05 (2013.01); B32B 2250/246 (2013.01); B32B 2255/10 (2013.01); B32B 2255/205 (2013.01); B32B 2270/00 (2013.01); B32B 2307/31 (2013.01); B32B 2307/518 (2013.01); B32B 2307/54 (2013.01); B32B 2307/7244 (2013.01); B32B 2307/7246 (2013.01); B32B 2439/62 (2013.01); B32B 2439/70 (2013.01); Y10T 428/1303 (2015.01); Y10T 428/24975 (2015.01); Y10T 428/264 (2015.01); Y10T 428/265 (2015.01);
Abstract

The invention relates to a biaxially oriented multilayer, barrier polymer film, having gas barrier properties and consisting of polymer layers, comprising a polyolefin core layer and a barrier surface layer of ethylene vinyl alcohol (EVOH) on a first side of the core layer. The invention further relates to such a vapor deposition coated film, especially a metallized such film. The invention also relates to a packaging laminate comprising the film or vapor deposition coated polymer film and to a packaging container produced from such a packaging laminate. The invention further relates to a method for the production of the barrier film.

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