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:
Jul. 31, 1990
Filed:
Jun. 16, 1988
Leland L Liu, Macedon, NY (US);
Patricia A Cyr, Farmington, NY (US);
Mobil Oil Corporation, New York, NY (US);
Abstract
A multi-layer heat sealable structure comprising a substrate including a white opaque polyolefin film, which is preferably cavitated. A second layer is coextruded on at least one surface of the substrate. The second layer includes a heat sealable homopolymer, copolymer, terpolymer or blend thereof. A primer coating is disposed on at least one surface of the second layer. A heat sealable layer is disposed on the primer coating. The heat sealable layer includes a vinylidene chloride copolymer containing at least 50% by weight of vinylidene chloride. A method for producing the present multi-layer heat sealable structure is also disclosed.