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.

Date of Patent:
Jan. 10, 1984

Filed:

Sep. 15, 1982
Applicant:
Inventors:

Christopher J Farrell, Arlington Heights, IL (US);

Boh C Tsai, Rolling Meadows, IL (US);

James A Wachtel, Buffalo Grove, IL (US);

Assignee:

American Can Company, Greenwich, CT (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ;
U.S. Cl.
CPC ...
428516 ; 252194 ; 206204 ; 2065245 ; 426127 ; 428 35 ; 428500 ; 428688 ; 428689 ;
Abstract

In a multi-layer polymeric structure having an interior oxygen barrier layer of a moisture sensitive polymeric material such as ethylene-vinyl alcohol, drying agents are incorporated in the structure, particularly in a layer or layers proximate to the barrier layer, to limit the moisture content of the barrier layer to maintain barrier properties.


Find Patent Forward Citations

Loading…