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:
Nov. 13, 2001
Filed:
Oct. 07, 1996
Applicant:
Inventors:
Annette Marie Comer, Alleghany County, VA (US);
Mark Thomas DeMeuse, Hockessin, DE (US);
Assignee:
Applied Extrusion Technologies, Inc., Peabody, MA (US);
Primary Examiner:
Int. Cl.
CPC ...
B32B 2/700 ;
U.S. Cl.
CPC ...
B32B 2/700 ;
Abstract
Oriented films of polypropylene and ethylene-vinyl alcohol copolymer are disclosed wherein the ethylene content of the copolymer is from about 40 to 50 mole %. The films are characterized by an improved oxygen transmission rate. Films are readily drawn to 6× by 6×. Films also exhibit improved resistance to transmission helium gas.