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:
Feb. 16, 2021

Filed:

Aug. 05, 2016
Applicant:

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

Inventors:

Yong Zheng, Manvel, TX (US);

Brian W. Walther, Freeport, TX (US);

Santosh S. Bawiskar, Sugar Land, TX (US);

Cristina Serrat, Freeport, TX (US);

Assignee:

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

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 31/00 (2006.01); C09J 123/06 (2006.01); B32B 27/32 (2006.01); B32B 1/08 (2006.01); B32B 27/06 (2006.01); C08K 5/42 (2006.01); C08L 23/06 (2006.01); C08L 23/08 (2006.01); C08L 51/06 (2006.01); B32B 7/12 (2006.01); B32B 27/08 (2006.01); B32B 27/30 (2006.01); B32B 27/34 (2006.01);
U.S. Cl.
CPC ...
C09J 123/06 (2013.01); B32B 1/08 (2013.01); B32B 7/12 (2013.01); B32B 27/06 (2013.01); B32B 27/08 (2013.01); B32B 27/306 (2013.01); B32B 27/32 (2013.01); B32B 27/327 (2013.01); B32B 27/34 (2013.01); C08K 5/42 (2013.01); C08L 23/06 (2013.01); C08L 23/0815 (2013.01); C08L 51/06 (2013.01); B32B 2250/03 (2013.01); B32B 2250/04 (2013.01); B32B 2250/05 (2013.01); B32B 2250/24 (2013.01); B32B 2270/00 (2013.01); B32B 2307/7244 (2013.01); B32B 2307/7246 (2013.01); B32B 2439/40 (2013.01); B32B 2439/46 (2013.01); B32B 2597/00 (2013.01); C08L 2201/14 (2013.01); C08L 2203/16 (2013.01); C08L 2207/062 (2013.01);
Abstract

The present invention provides resins that can be used as a tie layer in a multilayer structure and to multilayer structures including one or more tie layers formed from such resins. In one aspect, a resin for use as a tie layer in a multilayer structure that includes a high density polyethylene having a density greater than 0.960 g/cm3, wherein the high density polyethylene includes 1 to 99 weight percent of the resin, a maleic anhydride grafted high density polyethylene, wherein the maleic anhydride grafted high density polyethylene includes 1 to 99 weight percent of the resin, and a catalyst including at least one Lewis acid.


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