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:
May. 06, 2008
Filed:
Jun. 16, 2005
Stephen William Sankey, North Yorkshire, GB;
Kenneth Evans, Cleveland, GB;
Mark Russell Hodgson, Middlesbrough, GB;
Stephen William Sankey, North Yorkshire, GB;
Kenneth Evans, Cleveland, GB;
Mark Russell Hodgson, Middlesbrough, GB;
DuPont Teijin Films U.S. Limited Partnership, Wilmington, DE (US);
Abstract
A heat-sealable polymeric film includes a substrate layer of polymeric material having on a surface thereof a heat-sealable coating layer. The layer includes a copolyester and is less than 8 μm in thickness. The copolyester consists essentially of repeat units of one or more aromatic dicarboxylic acids, one or more aliphatic dicarboxylic acids, and a stoichiometric amount of a glycol component consisting of one or more glycols selected from the group consisting of aliphatic glycols and cycloaliphatic glycols.