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:
Feb. 04, 2020
Filed:
Dec. 07, 2009
Applicants:
Eric Baer, Cleveland Heights, OH (US);
Anne Hiltner, Cleveland, OH (US);
Inventors:
Eric Baer, Cleveland Heights, OH (US);
Anne Hiltner, Cleveland, OH (US);
Assignee:
CASE WESTERN RESERVE UNIVERSITY, Cleveland, OH (US);
Primary Examiner:
Int. Cl.
CPC ...
B29C 55/12 (2006.01); B29C 55/04 (2006.01); B29C 47/06 (2006.01); B32B 7/02 (2019.01);
U.S. Cl.
CPC ...
B32B 7/02 (2013.01); Y10T 428/265 (2015.01); Y10T 428/31544 (2015.04); Y10T 428/31725 (2015.04); Y10T 428/31786 (2015.04); Y10T 428/31938 (2015.04);
Abstract
A multilayer film includes an extruded first polymer layer confined between extruded second polymer layers. The first polymer layer includes a high aspect ratio crystalline lamellae. The multilayer film is substantially impermeable to gas diffusion.