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. 02, 2019
Filed:
Jun. 25, 2014
Dow Global Technologies Llc, Midland, MI (US);
Steven R. Jenkins, Traverse City, MI (US);
Patrick Chang Dong Lee, Midland, MI (US);
Joseph Dooley, Midland, MI (US);
Donald E. Kirkpatrick, Lake Jackson, TX (US);
Bernard E. Obi, Missouri City, TX (US);
Dow Global Technologies LLC, Midland, MI (US);
Abstract
The present disclosure provides a coextruded multilayer films. In one embodiment, the coextruded multilayer film includes a core component having from 15 to 1000 alternating layers of layer A and layer B. Layer A has a thickness from 30 nm to 1000 nni and layer A includes a propylene-based polymer having a crystallization temperature (Tc). Layer B includes an ethylene-based polymer having a crystallization temperature (Tc), wherein Tc<Tc. Layer A has an effective moisture permeability less than 0.40 g-mil/100 in/day.