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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 11613111 B1

PDFFull Text
Date of Patent:
Mar. 28, 2023

Filed:

May. 03, 2021

Functional tie-layer formulations in biaxially oriented films containing hdpe

Applicant:

Jindal Films Americas Llc, LaGrange, GA (US);

Inventors:

Eric T. Gohr, Sharpsburg, GA (US);

Robert M. Sheppard, Peachtree City, GA (US);

Assignee:

Jindal Films Americas LLC, LaGrange, GA (US);

Attorneys:

Kearney, McWilliams & Davis

Erik J. Osterrieder

Primary Examiner:

John Vincent Lawler

Int. Cl.
CPC ...
B32B 27/32 (2006.01); B29C 48/08 (2019.01); B29C 48/21 (2019.01); B29C 48/00 (2019.01); B29C 55/14 (2006.01); B32B 27/08 (2006.01); B32B 27/16 (2006.01); B32B 27/18 (2006.01); B32B 7/12 (2006.01); B32B 27/20 (2006.01); B65D 65/40 (2006.01); B29K 23/00 (2006.01); B29K 105/00 (2006.01);
U.S. Cl.
CPC ...
B32B 27/32 (2013.01); B29C 48/0018 (2019.02); B29C 48/08 (2019.02); B29C 48/21 (2019.02); B29C 55/143 (2013.01); B32B 7/12 (2013.01); B32B 27/08 (2013.01); B32B 27/16 (2013.01); B32B 27/18 (2013.01); B32B 27/20 (2013.01); B32B 27/327 (2013.01); B65D 65/40 (2013.01); B29K 2023/065 (2013.01); B29K 2023/0633 (2013.01); B29K 2023/12 (2013.01); B29K 2105/0008 (2013.01); B32B 2250/03 (2013.01); B32B 2250/05 (2013.01); B32B 2250/24 (2013.01); B32B 2250/242 (2013.01); B32B 2255/10 (2013.01); B32B 2255/20 (2013.01); B32B 2255/205 (2013.01); B32B 2255/26 (2013.01); B32B 2270/00 (2013.01); B32B 2307/30 (2013.01); B32B 2307/516 (2013.01); B32B 2307/518 (2013.01); B32B 2307/72 (2013.01); B32B 2307/7244 (2013.01); B32B 2307/7246 (2013.01); B32B 2307/732 (2013.01); B32B 2439/40 (2013.01); B32B 2439/46 (2013.01); B32B 2439/70 (2013.01); B32B 2553/00 (2013.01);
Abstract

Disclosed are compositions and methods for multilayer films, which, in one embodiment may comprise a core layer comprising at least 50 wt. % of high-density polyethylene. Further, the multilayer film may include a first skin layer consisting essentially of one or more ethylene-propylene copolymers. Further still, the multilayer film may include a second skin layer consisting essentially of one or more ethylene-propylene-butylene terpolymers. And yet further, the multilayer film may be oriented in at least one direction, and at least two layers of the multilayer film are coextruded.

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