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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 11976221 B1

PDFFull Text
Date of Patent:
May. 07, 2024

Filed:

Jun. 26, 2019

Universal thermoplastic adhesives for multilayer films

Applicant:

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

Inventors:

Camille Olry, Valleiry, FR;

Karlheinz Hausmann, Auvernier, CH;

I-Hwa Lee, Wilmington, DE (US);

Assignee:

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

Attorney:

Dinsmore & Shohl LLP

Primary Examiner:

Christopher M Rodd

Int. Cl.
CPC ...
C09J 123/06 (2006.01); B32B 7/12 (2006.01); B32B 27/08 (2006.01); B32B 27/30 (2006.01); B32B 27/32 (2006.01); B32B 27/34 (2006.01); B32B 27/36 (2006.01); C09J 123/08 (2006.01); C09J 133/06 (2006.01);
U.S. Cl.
CPC ...
C09J 123/06 (2013.01); B32B 7/12 (2013.01); B32B 27/08 (2013.01); B32B 27/306 (2013.01); B32B 27/32 (2013.01); B32B 27/34 (2013.01); B32B 27/36 (2013.01); C09J 123/0869 (2013.01); C09J 133/062 (2013.01); B32B 2250/05 (2013.01); B32B 2250/24 (2013.01); B32B 2307/31 (2013.01); B32B 2307/7244 (2013.01); B32B 2553/026 (2013.01); C08L 2205/03 (2013.01); C08L 2205/035 (2013.01);
Abstract

Embodiments of the present disclosure are directed to a thermoplastic adhesive composition comprising: at least one maleic anhydride-grafted ethylene-based polymer; at least one at least one ethylene/α-olefin/non-conjugated diene interpolymer having a molecular weight distribution (MWD) ≥2.5, wherein MWD=Mw/Mn, wherein Mw is weight averaged molecular weight and Mn is number averaged molecular weight, which are both determined by gel permeation chromatography; a very low density polyethylene (VLDPE) having a density in the range 0.885 to 0.915 grams/cm; and optionally at least one ethylene alkyl (meth)acrylate copolymer, wherein the alkyl group comprises one to four carbon atoms.

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