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:
Sep. 14, 2010
Filed:
Apr. 16, 2009
Pang-chia LU, Pittsford, NY (US);
Robert G. Peet, Pittsford, NY (US);
Benoit Ambroise, Montmedy, FR;
Linda Maria Van Den Bossche, Zwijndrecht, BE;
Nancy Nadine Vanderheyden, Langdorp, BE;
François Bosch, Saint-Mard, BE;
Jacques Moriau, Grand-Failly, FR;
Lindsay J. Mendes, Rochester, NY (US);
Syd R. Wright, Pittsford, NY (US);
Pang-Chia Lu, Pittsford, NY (US);
Robert G. Peet, Pittsford, NY (US);
Benoit Ambroise, Montmedy, FR;
Linda Maria Van den Bossche, Zwijndrecht, BE;
Nancy Nadine Vanderheyden, Langdorp, BE;
François Bosch, Saint-Mard, BE;
Jacques Moriau, Grand-Failly, FR;
Lindsay J. Mendes, Rochester, NY (US);
Syd R. Wright, Pittsford, NY (US);
ExxonMobil Oil Corporation, Irving, TX (US);
Abstract
A film structure including at least a base layer containing a thermoplastic polymer and at least an outer layer containing a low melting point polymer. Methods of manufacturing the film structure, including the steps of coextruding melts corresponding to the individual layers of the film structure through a die and thereafter: simultaneously biaxially stretching the coextruded film sheet; or sequentially biaxially stretching the coextruded film sheet, wherein the machine-direction orientation (MDO) is performed with a radiant-heated MDO stretcher. An extrusion-coated film structure exhibiting strong bond adhesion, and a method of manufacturing the same are also provided.