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.:
Date of Patent:
Jul. 28, 2020
Filed:
Oct. 23, 2015
Applicant:
Dow Global Technologies Llc, Midland, MI (US);
Inventors:
Jong Young Lee, Sugarland, TX (US);
Yijian Lin, Pearland, TX (US);
Rajen M. Patel, Lake Jackson, TX (US);
Assignee:
Dow Global Technologies LLC, Midland, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 7/02 (2019.01); B32B 27/32 (2006.01); B32B 27/08 (2006.01); B32B 37/08 (2006.01); B32B 37/15 (2006.01);
U.S. Cl.
CPC ...
B32B 27/32 (2013.01); B32B 27/08 (2013.01); B32B 37/08 (2013.01); B32B 37/15 (2013.01); B32B 2307/72 (2013.01); B32B 2323/046 (2013.01);
Abstract
Embodiments disclosed herein include multilayer films having at least an outer layer that includes 1) polyethylene elastomer and 2) ULDPE or VLDPE and that has a purge fraction greater than 20 percent as determined by Crystallization Elution Fractionation (CEF) test method. Embodiments disclosed herein also include related compositions to make such films and methods of making such films. The ULDPE or VLDPE can be made via Ziegler-Natta catalyst reaction techniques to provide the desired purge fraction.