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:
Oct. 04, 1983
Filed:
Aug. 06, 1982
Applicant:
Inventor:
Russell P Gehrke, Neenah, WI (US);
Assignee:
American Can Company, Greenwich, CT (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B65D / ; B65D / ; B65D / ; B32B / ;
U.S. Cl.
CPC ...
428 35 ; 206484 ; 2064842 ; 2065242 ; 426113 ; 426127 ; 428215 ; 428216 ; 428516 ;
Abstract
The invention provides improved film structure and bags made therefrom for use in sterile packaging, wherein the package and product are sterilized after the process of filling and sealing the bag. The improved structure is a 3-layer coextruded film comprising a first layer of propylene ethylene copolymer, a second layer on one surface of the first layer and comprising a blend of propylene ethylene copolymer with linear low density polyethylene, and a third layer of linear low density polyethylene on the opposing surface of the second layer. The blend composition is 20% to 80% propylene ethylene copolymer and 80% to 20% linear low density polyethylene.