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. 19, 1994
Filed:
Dec. 20, 1991
Applicant:
Inventors:
Anthony R Knoerzer, Fairport, NY (US);
Leland W Reid, Fairport, NY (US);
Assignee:
Mobil Oil Corp., Fairfax, VA (US);
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428353 ; 428463 ; 428520 ; 428910 ; 428522 ; 428 358 ; 428 367 ;
Abstract
A film combination includes (a) an oriented polymeric substrate which in its unmodified state is susceptible of transmitting oxygen and water vapor; (b) a primer coating on the substrate; (c) a layer of cross-linked polyvinyl alcohol on the primer layer; and (d) on the cross-linked layer a layer of a blend of (1) a polyvinyl alcohol homo or copolymer and (2) an ethylene-acrylic acid copolymer.