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:
Jun. 04, 1991
Filed:
Apr. 07, 1989
Applicant:
Inventor:
Kenneth M Revell, Thetford, GB;
Assignee:
Bowater Packaging Limited, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ;
U.S. Cl.
CPC ...
428458 ; 428457 ; 428461 ; 428464 ;
Abstract
A packaging material suitable for packaging moisture and oxygen-sensitive materials comprises a coated and metallized plastic film having low permeability to gases, moisture and light, which includes a polyolefin or regenerated cellulose film that is coated on one or both surfaces with one or more thin but smooth layers of a thermally stable coating, other than polyvinylidene chloride, and metallized over the coated surface or surfaces.