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US Patent 6165602 - Laminated polyester film
US Patent Issued on December 26, 2000
Estimated Patent Expiration Date:
June 11, 2018Estimated 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.
Estimated Patent Expiration Date:
June 11, 2018Estimated 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.AbstractA laminated polyester film stretched in at least one direction, comprising:a polyester support, andat least one enhanced adhesion layer laminated on the polyester support, comprising a composition comprising:(1) an aromatic copolyester (A1) having a water-dispersible functional group, a polyvinyl alcohol resin (B1), and a vinylpyrrolidone copolymer resin (C1); or(2) an aromatic copolyester (A1) having a water-dispersible functional group, a polyvinyl alcohol resin (B1), and a polyglycerol polyglycidyl ether (C2); or(3) an aqueous-type polyurethane (A3), a polyvinyl alcohol resin (B3), and inert particles wherein the thickness (L) of the adhesion layer and the average particle diameter (d) of said inert particles satisfies the equation1/3ࣘd/Lࣘ3. | InventorAssigneeApplicationNo. 095709 filed on 06/11/1998US Classes:428/216, No layer or component greater than 5 mils thick428/213, Thickness (relative or absolute)428/214, Of adhesive layers428/323, Including a second component containing structurally defined particles428/355N, Including nitrogen containing condensation polymer (e.g., polyurethane, polyisocyanate, etc.)428/355EN, Including addition polymer from unsaturated monomer428/355EP, Including epoxy group or epoxy polymer428/423.1, Of polyamidoester (polyurethane, polyisocyanate, polycarbamate, etc.)428/423.7, Next to polyester (polyethylene terephthalate, etc.)428/480, Of polyester (e.g., alkyd, etc.)430/531, Synthetic resin or cellulose derivative containing430/533, Polyester or polycarbonate430/534, Next to polymer of unsaturated monomer524/366, C-O-C compound DNRM524/378, Only C, H, and O atoms525/56, Polyvinyl alcohol525/58, With SICP, SPFI, or polymer thereof525/123, With saturated -N=C=X (X is chalcogen) reactant or polymer thereof; or with solid copolymer derived from at least one -N=C=X reactant wherein at least one of the reactants forming the solid copolymer is saturated; or with SPFI wherein at least one of the necessary ingredients contains a -N=C=X group or with a reaction product thereof; or with SICP containing a -N=C=X group525/165, 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 saturated525/167, Polycarboxylic acid or derivative or polyol contains an atom other than C, H, or O; or wherein a polycarboxylic acid or derivative or polyol or condensate thereof is reacted with a reactant containing atoms other than C, H, or O prior to blending with the solid polymer; or wherein a coreactant with the polycarboxylic acid or derivative or polyol contains an atom other than C, H, or O525/173, From two or more polyols525/174, From two or more carboxylic acids or derivatives thereof525/176Solid polymer derived from ethylenic reactants only derived from at least one reactant containing an oxygen atomField of Search428/213, Thickness (relative or absolute)428/323, Including a second component containing structurally defined particles428/343, Adhesive outermost layer428/355EP, Including epoxy group or epoxy polymer428/355EN, Including addition polymer from unsaturated monomer428/355N, Including nitrogen containing condensation polymer (e.g., polyurethane, polyisocyanate, etc.)428/413, Of epoxy ether428/423.1, Of polyamidoester (polyurethane, polyisocyanate, polycarbamate, etc.)428/423.7, Next to polyester (polyethylene terephthalate, etc.)428/480, Of polyester (e.g., alkyd, etc.)525/56, Polyvinyl alcohol525/58, With SICP, SPFI, or polymer thereof525/123, With saturated -N=C=X (X is chalcogen) reactant or polymer thereof; or with solid copolymer derived from at least one -N=C=X reactant wherein at least one of the reactants forming the solid copolymer is saturated; or with SPFI wherein at least one of the necessary ingredients contains a -N=C=X group or with a reaction product thereof; or with SICP containing a -N=C=X group525/165, 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 saturated525/176, Solid polymer derived from ethylenic reactants only derived from at least one reactant containing an oxygen atom525/167, Polycarboxylic acid or derivative or polyol contains an atom other than C, H, or O; or wherein a polycarboxylic acid or derivative or polyol or condensate thereof is reacted with a reactant containing atoms other than C, H, or O prior to blending with the solid polymer; or wherein a coreactant with the polycarboxylic acid or derivative or polyol contains an atom other than C, H, or O525/173, From two or more polyols525/174, From two or more carboxylic acids or derivatives thereof524/366, C-O-C compound DNRM524/378, Only C, H, and O atoms430/531, Synthetic resin or cellulose derivative containing430/533, Polyester or polycarbonate430/534Next to polymer of unsaturated monomerExaminersPrimary: Chen, VivianAttorney, Agent or FirmUS Patent References4340519, Polyester resin aqueous dispersionIssued on: 07/20/1982 Inventor: Kotera , et al.4824725, Drafting material Issued on: 04/25/1989 Inventor: Thoese5139867, Ink jet recording transparency Issued on: 08/18/1992 Inventor: Light5281472, Surface-treated polyester film Issued on: 01/25/1994 Inventor: Takahashi, et al.5306606, Biaxially stretched polyester film comprising a coating layer containing a salt of a sulfonic acid type polymer Issued on: 04/26/1994 Inventor: Tachibana, et al.5334457, Plastic film having a coating layer comprising a copolyester and a conductive polymer and light-sensitive photographic material using the same Issued on: 08/02/1994 Inventor: Wada, et al.5378592, Photographic material Issued on: 01/03/1995 Inventor: Nakanishi, et al.5540974Metallized polyester film capacitor Issued on: 07/30/1996 Inventor: Hoseki, et al. Foreign Patent References
International ClassesB32B 027/08B32B 027/18 B32B 027/30 B32B 027/36 B32B 027/40 910 Foreign Application Priority Data1997-06-12 JP |
