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:
Nov. 04, 2025
Filed:
Aug. 05, 2016
Toray Films Europe, Saint Maurice de Beynost, FR;
Hideki Fujii, Mishima, JP;
Valérie Lacrampe, Orlienas, FR;
Audrey Ulrich Saint-Pierre, Lyons, FR;
Julien Faldysta, Reyrieux, FR;
TORAY FILMS EUROPE, Saint Maurice de Beynost, FR;
Abstract
A multilayer transparent film with successively: an amorphous layer C of copolyester PET-G-which the diol units include Ethylene Glycol -EG- units and CycloHexaneDiMethanol -CHDM- units; a crystalline/crystallizable layer B with: a copolyester PET-X which the diol units include Ethylene Glycol -EG- units and which the acid units include Terephtalic Acid -TA- units and units of at least one Dicarboxylic Acid Different From Terephtalic Acid [DADFTA units], the DADFTA units being chosen in the group consisting of Isophtalic Acid -IA-units, Sebacic Acid -SA-units, Adipic Acid -AA-units, and mixtures thereof; and possibly a polyester PolyEthyleneTerephtalate PET; optionally a layer A, identical or different from the layer B, wherein the concentration of the CHDM units in the layer C is between 15 and 34 mol % and the melting temperature of layer B is between 180 and 245° C. Also a manufacturing method of the film and its applications for the manufacture of containers.