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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 10421258 B1

PDFFull Text
Date of Patent:
Sep. 24, 2019

Filed:

Aug. 13, 2015

Multilayer structure comprising polypropylene

Applicant:

E I Du Pont DE Nemours and Company, Wilmington, DE (US);

Inventors:

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

Karlheinz Hausmann, Auvernier, CH;

Assignee:

Performance Materials NA, Inc., Midland, MI (US);

Attorney:
Primary Examiner:

Robert D Harlan

Int. Cl.
CPC ...
B32B 27/08 (2006.01); B29C 47/00 (2006.01); C09J 7/00 (2018.01); B32B 27/30 (2006.01); B32B 27/32 (2006.01); B32B 27/34 (2006.01); B32B 7/12 (2006.01); B32B 27/36 (2006.01); B29C 47/06 (2006.01); B29C 47/88 (2006.01); B29C 55/28 (2006.01); B29C 53/20 (2006.01); B29C 48/10 (2019.01); B29C 48/00 (2019.01); B29C 48/21 (2019.01); B29C 48/22 (2019.01); B29C 48/88 (2019.01); C09J 123/08 (2006.01); C09J 7/29 (2018.01); B29C 48/08 (2019.01); B29C 48/91 (2019.01); B29C 55/26 (2006.01); B29K 23/00 (2006.01); B29K 105/00 (2006.01); B29L 9/00 (2006.01); B29L 31/00 (2006.01);
U.S. Cl.
CPC ...
B32B 27/08 (2013.01); B29C 48/0018 (2019.02); B29C 48/0019 (2019.02); B29C 48/0022 (2019.02); B29C 48/08 (2019.02); B29C 48/10 (2019.02); B29C 48/21 (2019.02); B29C 48/22 (2019.02); B29C 48/91 (2019.02); B29C 48/914 (2019.02); B29C 48/919 (2019.02); B29C 53/20 (2013.01); B29C 55/28 (2013.01); B32B 7/12 (2013.01); B32B 27/30 (2013.01); B32B 27/306 (2013.01); B32B 27/32 (2013.01); B32B 27/327 (2013.01); B32B 27/34 (2013.01); B32B 27/36 (2013.01); C09J 7/29 (2018.01); C09J 123/08 (2013.01); B29C 55/26 (2013.01); B29C 2793/0036 (2013.01); B29K 2023/12 (2013.01); B29K 2105/0097 (2013.01); B29K 2995/0067 (2013.01); B29L 2009/00 (2013.01); B29L 2031/712 (2013.01); B32B 2250/05 (2013.01); B32B 2250/24 (2013.01); B32B 2307/50 (2013.01); B32B 2307/7242 (2013.01); B32B 2307/7265 (2013.01); B32B 2323/04 (2013.01); B32B 2323/10 (2013.01); B32B 2439/02 (2013.01); B32B 2439/70 (2013.01); B32B 2553/00 (2013.01); C09J 2423/04 (2013.01); C09J 2423/10 (2013.01); C09J 2423/106 (2013.01); C09J 2429/006 (2013.01); C09J 2477/00 (2013.01);
Abstract

Disclosed is a composition that comprises or is produced from a first ethylene α-olefin copolymer, a modified first ethylene α-olefin copolymer, and a second ethylene α-olefin copolymer or propylene α-olefin copolymer. Also disclosed is a multilayer film or sheet structure containing at least one barrier layer; at least one predominantly propylene-based layer, at least one predominantly ethylene-based layer, or both; and at least one adhesive layer produced from the composition. Further disclosed is a produced for producing a multilayer structure using the composition as adhesive layer.

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