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. 08, 1978
Filed:
Jul. 21, 1975
Applicant:
Inventor:
William R Scholle, Corona del Mar, CA (US);
Assignee:
Scholle Corporation, Northlake, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428192 ; 206527 ; 428910 ; 428474 ; 428500 ; 428518 ; 428516 ; 428520 ; 426127 ;
Abstract
Multiple ply packaging materials formed of certain polymer films, each having a gas permeability of 10 or less cc per 100 square inches per mil thickness over a 24 hour period at one atmosphere pressure, and 73.degree. F. and 50% R.H., such as polyvinylidene chloride, exhibit unexpectedly high gas barrier properties in comparison with a single film of the same equivalent thickness.