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. 06, 1996
Filed:
Dec. 17, 1993
Applicant:
Inventors:
Richard M Nugent, Jr, Allison Park, PA (US);
Ken W Niederst, Allison Park, PA (US);
Jerome A Seiner, Pittsburgh, PA (US);
Assignee:
PPG Industries, Inc., Pittsburgh, PA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B29D / ;
U.S. Cl.
CPC ...
428 3691 ; 428 366 ; 428 367 ; 428 369 ;
Abstract
A container is composed of one at least one layer of a gas-permeable polymeric material such as a polyolefin, polycarbonate or a polyester and at least one layer of a polymeric gas barrier material containing at least seven percent by weight of amine nitrogen derived from the reaction product of a polyamine and a polyepoxide.