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. 03, 1997
Filed:
Oct. 10, 1989
Applicant:
Inventors:
Paul N Georgelos, Hickory Hills, IL (US);
Stanley Lustig, Park Forest, IL (US);
Assignee:
Viskase Corporation, Chicago, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
428 354 ; 428 367 ; 4284758 ; 4284761 ; 428518 ; 428520 ; 428822 ; 428 349 ; 383113 ; 383908 ;
Abstract
A biaxially stretched, heat sealable, thermoplastic, flexible, food packaging film, preferably multilayer, having an outer heat sealable layer comprising an ethylene vinyl ester copolymer, preferably a blend of two different EVA copolymers wherein said heat sealing layer (which is preferably crosslinked by irradiation) has an M.sub.w of 50,000 or more, and an M.sub.n between 1000 and 18,000.