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. 28, 1994
Filed:
Jun. 12, 1992
Jeffrey S Hughart, Chicago, IL (US);
Joel D Finnell, Cleveland, TN (US);
Rexene Products Company, Dallas, TX (US);
Abstract
A lidstock film adapted to form a peelable seal with a substrate upon heat sealing comprises, a first layer of high density polyethylene, a second layer of ethylene vinyl acetate, and a third seal layer of a blend of a polyionomer and a low density polyethylene is disclosed. Also disclosed is a forming web adapted to form a peelable seal with a lidstock upon heat sealing, the forming web comprising a first seal layer of a mixture of a rubber and ethylene vinyl acetate, a second layer of a mixture of ethylene vinyl acetate and a linear low density polyethylene, and a third layer comprising linear low density polyethylene. The lidstock film and forming web are heat sealable at temperatures between 250.degree. F. and 350.degree. F. to form packages with peelable seals.