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:
Aug. 20, 1996
Filed:
Mar. 25, 1994
Applicant:
Inventors:
Alfieri Degrassi, Schuylkill, PA (US);
William W Furrer, Morris, NJ (US);
Assignee:
AlliedSignal Inc., Morris Township, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
4284747 ; 4284749 ; 4284755 ;
Abstract
A polymeric film having superior oxygen barrier properties comprising at least three layers, two layers formed of an aliphatic polyamide such as poly(caprolactam) sandwiching a layer formed of an aliphatic/aromatic polyamide such as poly(m-xylylene adipamide) or a blend of an aliphatic/aromatic polyamide such as poly(m-xylylene adipamide) with an ethylene vinyl alcohol copolymer.