Polyester film for thermal lamination
Patent 5846642 Issued on December 8, 1998. Estimated Expiration Date: 
December 8, 2015. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
December 8, 2015. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesThermoplastic moulding composition and its use and sheets made from the moulding composition Tough thermoplastic polyester compositions Polyester film-heat-bonded metal sheet and container made thereof Impact resistant blends of thermoplastic polyesters and modified block copolymers Laminated metal sheet Method for forming polyesters Biaxially oriented polyester film Patent #: 5424121 InventorsAssigneeApplicationNo. 484768 filed on 06/07/1995US Classes:428/323, Including a second component containing structurally defined particles428/35.8, Elemental metal containing (e.g., substrate, foil, film, coating, etc.)428/458, Next to polyester, polyamide or polyimide (e.g., alkyd, glue, or nylon, etc.)428/480, Of polyester (e.g., alkyd, etc.)428/483, Next to addition polymer from unsaturated monomers525/88, Mixing of solid block or block-type copolymer with other solid polymer; mixing of said polymer mixture with a chemical treating agent; mixing of a block or block-type copolymer with SICP or with SPFI; or processes of forming or reacting; or the resultant product of any of the above operations525/92B, Solid polymer derived from a lactam; from an amino carboxylic acid or derivative; from a polyamine and a polycarboxylic acid or derivative525/92F, Solid polymer derived from polyhydroxy reactant and polycarboxylic acid or derivative525/98, Solid block or block-type copolymer derived from reactant containing plural unsaturation525/165, With polycarboxylic acid or derivative and a polyol at least one of which is saturated, a condensate or solid polymer thereof; or with solid polymer derived from at least one polycarboxylic acid or derivative and at least one polyol wherein at least one the reactants forming the solid polymer is saturated525/174, From two or more carboxylic acids or derivatives thereof525/177Solid polymer derived from ethylenic reactants only derived from unsaturated hydrocarbonExaminersPrimary: Chen, VivianAttorney, Agent or FirmForeign Patent References
International ClassesB32B 015/08B32B 027/08 B32B 027/18 B32B 027/36 Foreign Application Priority Data1994-06-24 JPAbstractA polyester film for thermal lamination, comprising:a polyester A of 140° to 245° C. in melting point mainly composed of ethylene terephthalate and/or ethylene isophthalate, a thermoplastic elastomer mixed at a ratio by weight of 81:19 to 98:2 with the elastomer comprising particles having a particle size ratio of 2 to 100 is excellent not only in formability but also in act resistance and taste property, and hence ideal for application on to the inner faces of packages, containers, etc.Other References
Field of SearchElemental metal containing (e.g., substrate, foil, film, coating, etc.)Three or more layers (continuous layer) Including a second component containing structurally defined particles Heat or solvent activated or sealable Heat sealable Synthetic resin or polymer Next to polyester, polyamide or polyimide (e.g., alkyd, glue, or nylon, etc.) Of polyester (e.g., alkyd, etc.) Next to addition polymer from unsaturated monomers PRODUCT WITH MOLECULAR ORIENTATION Mixing of solid graft or graft-type copolymer with other solid polymer wherein one of said solid polymers is not derived from ethylenic reactants only; mixing of said polymer mixture with a chemical treating agent; or mixing of graft or graft-type copolymer with a SICP or SPFI; or processes of forming or reacting; or the resultant product of any of the above operations Solid graft or graft-type copolymer derived from ethylenic reactants only Mixing of solid block or block-type copolymer with other solid polymer; mixing of said polymer mixture with a chemical treating agent; mixing of a block or block-type copolymer with SICP or with SPFI; or processes of forming or reacting; or the resultant product of any of the above operations Mixture contains solid polymer derived from reactant containing chalcogen Solid block or block-type copolymer derived from reactant containing plural unsaturation With polycarboxylic acid or derivative and a polyol at least one of which is saturated, a condensate or solid polymer thereof; or with solid polymer derived from at least one polycarboxylic acid or derivative and at least one polyol wherein at least one the reactants forming the solid polymer is saturated From two or more carboxylic acids or derivatives thereof Solid polymer derived from ethylenic reactants only derived from unsaturated hydrocarbon Material contains a Group IVA metal atom (Ge, Sn, Pb) Two or more carboxylic acid or derivatives or mixtures thereof Polyethylene Terephthalate per se Contains terephthalic acid or substituted forms thereof Aryl-containing carboxylic acid or derivative of an aryl-containing dicarboxylic acid | |
