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.

Date of Patent:
Sep. 21, 2021

Filed:

Nov. 15, 2019
Applicant:

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

Inventors:

Jeffrey J. Li, Shanghai, CN;

Xiao B. Yun, Shanghai, CN;

Eng K. Ma, Klang, MY;

Assignee:

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

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 27/08 (2006.01); B32B 27/10 (2006.01); B32B 27/30 (2006.01); B32B 27/32 (2006.01); B32B 27/36 (2006.01);
U.S. Cl.
CPC ...
B32B 27/08 (2013.01); B32B 27/10 (2013.01); B32B 27/30 (2013.01); B32B 27/32 (2013.01); B32B 27/36 (2013.01); B32B 2307/518 (2013.01); B32B 2307/75 (2013.01); B32B 2310/14 (2013.01); B32B 2439/00 (2013.01);
Abstract

The present invention relates to a multilayer film comprising a skin layer comprising a anhydride and/or carboxylic acid functionalized ethylene/alpha-olefin interpolymer having a melting point in the range of from 50 to 89° C., wherein the anhydride and/or carboxylic acid is present in an amount of from 0.02 to 0.3 percent by weight of the polyethylene based resin. The multilayer film further comprises a substrate layer comprising a resin selected from the group consisting of polypropylene or polyethylene terephthalate.


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