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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 10751974 B1

PDFFull Text
Date of Patent:
Aug. 25, 2020

Filed:

Dec. 12, 2014

Multilayer structure, a laminate comprising the same and articles comprising the laminate

Applicant:

Dow Global Technologies Llc, Midland, MI (US);

Inventors:

Xiao Bing Yun, Beijing, CN;

Jianping Pan, Shanghai, CN;

Assignee:

Dow Global Technologies LLC, Midland, MI (US);

Attorney:

Brooks, Cameron & Huebsch, PLLC

Primary Examiner:

Alicia J Sawdon

Int. Cl.
CPC ...
B32B 7/02 (2019.01); B32B 27/32 (2006.01); B32B 7/12 (2006.01); B32B 27/08 (2006.01); B32B 27/30 (2006.01); B32B 27/36 (2006.01); B32B 27/34 (2006.01); B65D 65/40 (2006.01); B65D 85/72 (2006.01);
U.S. Cl.
CPC ...
B32B 7/02 (2013.01); B32B 7/12 (2013.01); B32B 27/08 (2013.01); B32B 27/306 (2013.01); B32B 27/308 (2013.01); B32B 27/32 (2013.01); B32B 27/34 (2013.01); B32B 27/36 (2013.01); B65D 65/40 (2013.01); B65D 85/72 (2013.01); B32B 2250/24 (2013.01); B32B 2307/31 (2013.01); B32B 2307/406 (2013.01); B32B 2307/412 (2013.01); B32B 2307/514 (2013.01); B32B 2307/518 (2013.01); B32B 2307/546 (2013.01); B32B 2307/558 (2013.01); B32B 2307/704 (2013.01); B32B 2307/72 (2013.01); B32B 2439/70 (2013.01);
Abstract

A multilayer structure comprising at least one skin sealant layer, wherein the skin layer comprises a polyethylene having a crystallinity, C; a tie layer which comprises a first polyethylene having a crystallinity, C, wherein the tie layer is adhered to the skin layer; and a bulk layer which comprises a second polyethylene having a crystallinity, C, wherein the tie layer is disposed between the bulk layer and the skin sealant layer; wherein C>C>C; and wherein the layers are coextruded and the multilayer structure oriented by a semi-molten orientation process is provided. Also provided is a laminate comprising the multilayer structure and articles comprising the laminate.

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