Dupont Teijin Films U.S. Limited Partnership Patent applications |
Patent application number | Title | Published |
20160137790 | COPOLYESTERIMIDES DERIVED FROM N,N'-BIS-(HYDROXYALKYL)-BENZOPHENONE-3,3',4,4'-TETRACARBOXYLIC DIIMIDE AND FILMS MADE THEREFROM - A semi-crystalline biaxially oriented film comprising a copolyester which comprises repeating units derived from an aliphatic glycol, an aromatic dicarboxylic acid, and the monomer of formula (I): (I) wherein n=2, 3 or 4, Z is C═0, and wherein comonomer (I) constitutes a proportion of the glycol fraction of the copolyester and is present in an amount of at least about 4 mol % of the glycol fraction of the copolyester. | 05-19-2016 |
20160130399 | COPOLYESTERIMIDES DERIVED FROM N,N'-BIS-(HYDROXYALKYL)-3,3',4,4'-DIPHENYLSULFONETETRACARBOXYLIC DIIMIDE AND FILMS MADE THEREFROM - A copolyester comprising repeating units derived from an aliphatic glycol, an aromatic dicarboxylic acid, and the monomer of formula (I): (Formula (I)) wherein n=2, 3 or 4, Z is S(═O) | 05-12-2016 |
20160122475 | COPOLYESTERIMIDES DERIVED FROM N,N'-BIS-(HYDROXYALKYL)-PYROMELLITIC DIIMIDE AND FILMS MADE THEREFROM - A polyester film comprising a copolyester which comprises repeating units derived from an aliphatic glycol, an aromatic dicarboxylic acid, and the monomer of formula (I): wherein n=2, 3 or 4, and wherein comonomer (I) constitutes a proportion of the glycol fraction of the copolyester. | 05-05-2016 |
20160075114 | Transparent Conductive Composite Films - A transparent conductive film includes (i) a polymeric substrate that includes a polyester base layer and a polyester binding layer, wherein the polymeric material of the base layer has a softening temperature T | 03-17-2016 |
20150241210 | METROLOGY METHOD - An interferometric method for profiling the topography of a sample surface comprises: (i) a first interferometric profiling step at a first magnification M1 to produce a map comprising pixels with planar (X,Y)-coordinates corresponding to the area of the sample surface, (ii) identifying pixel(s) which meet or exceed a Cut-Off Threshold, and meet or exceed a parameter N | 08-27-2015 |
20140295174 | MANUFACTURING PROCESS FOR COATED POLYESTER FILM - A biaxially oriented composite film includes a polyester substrate supporting one or more coatings on one or both surfaces of said substrate,
| 10-02-2014 |
20140283971 | POLYMERIC FILM SUBSTRATE FOR USE IN RADIO-FREQUENCY RESPONSIVE TAGS - A radio-frequency (RF) responsive tag comprising a heat-sealing substrate comprising a polyester layer, and an antenna comprising a pattern of conductive material wherein said conductive material is in direct contact with a heat-sealing surface of the substrate, and wherein the shrinkage of the heat-sealing substrate is less than 5% at 190° C. over 30 minutes; a method of manufacture of said RF-response tag. | 09-25-2014 |
20140120377 | DIMENSIONALLY STABLE MULTI-LAYER POLYESTER FILMS - A multi-layer biaxially oriented film comprising a first layer (A) comprising an aromatic polyester (a) and a second layer (B) comprising a polyolefin (b) having a melting point of from 230 to 290° C. wherein said polyolefin is a styrene polymer, and an adhesive interlayer (C) between a layer (A) and a layer (B), wherein said adhesive interlayer (C) comprises a tie-layer material (c) selected from anhydride-modified ethylene copolymers in which the proportion of anhydride present in the copolymer is no more than 3.0% by weight of the polymer, and in which the ethylene copolymer comprises one or more additional comonomers other than styrene. | 05-01-2014 |
20140053901 | Hydrolysis Resistant Polyester Films - A biaxially oriented polyester film comprising polyester and at least one hydrolysis stabiliser selected from a glycidyl ester of a branched monocarboxylic acid, wherein the monocarboxylic acid has from 5 to 50 carbon atoms, wherein said hydrolysis stabiliser is present in the film in the form of its reaction product with at least some of the end-groups of said polyester, and wherein said reaction product is obtained by the reaction of the hydrolysis stabiliser with the end-groups of the polyester in the presence of a metal cation selected from the group consisting of Group I and Group II metal cations. | 02-27-2014 |
20140037968 | Silicate-containing Antifog Coatings - A coating composition including an alkali metal silicate, a wetting agent, and a hydrophilic antifog agent forms an antifog coating on a substrate. The coating may be applied to the surface of a film from an aqueous dispersion of the ingredients, followed by drying to form a composite film. | 02-06-2014 |
20140008106 | Reflective Conductive Composite Film - A process for the manufacture of a reflective conductive film comprising: (i) a reflective polymeric substrate comprising a polymeric base layer and a polymeric binding layer, wherein the polymeric material of the base layer has a softening temperature T | 01-09-2014 |
20140008026 | Film Comprising a Strippable Sacrificial Layer for Reduction of Surface Defects in a Substrate - A coextruded biaxially oriented composite film comprising a polyester substrate layer and disposed on one or both surfaces thereof a strippable sacrificial layer, wherein said strippable sacrificial layer comprises an ethylene-methacrylic acid (EMAA) copolymer. | 01-09-2014 |
20140000706 | POLYESTER FILM WITH UV-STABILITY AND HIGH LIGHT TRANSMITTANCE | 01-02-2014 |
20130313260 | MULTILAYER SEALANT FILM - A multilayer film suitable for sealing containers such as used for food packaging, and methods of making the film, are described. The film is particularly suitable for sealing containers made from polylactic acid (PLA). The multilayer film includes
| 11-28-2013 |
20130236612 | Thermoformable Copolyester Laminate - A laminate includes the following substantially coextensive layers in the following order: (a) a non-sealable, self-supporting, thermoformable copolyester film layer having a first surface and a second surface, the second surface constituting an outermost, exposed surface of the laminate; (b) a laminating adhesive layer on the first surface of the thermoformable copolyester film layer; and (c) a self-supporting, thermoformable structural film layer having a first surface and a second surface, the first surface contacting the laminating adhesive layer. Polyethylene terephthalate constitutes at least 80% by weight of the self-supporting thermoformable copolyester film layer; the thermoformable structural film layer includes a polymer selected from the group consisting of polyamides, polypropylene, polyethylene, polyethylene terephthalate, ionomers, ethylene acrylic acid copolymers, ethylene vinyl acetate copolymers, polystyrene, ethylene vinyl alcohol copolymers and polyvinylidene chloride; the thermoformable copolyester film layer, the structural film layer and the laminate each shrink less than 5% in length and width upon exposure to boiling water for five seconds; and the laminate is thermoformable and its chloroform-soluble extractives meet the requirements of paragraph h(1) of 21 CFR §177.1630 as defined herein. | 09-12-2013 |
20130130015 | Metallized Opaque Films with Robust Metal Layer Attachment - A multilayer composite film includes in sequence:
| 05-23-2013 |
20120227801 | HYDROLYSIS RESISTANT POLYESTER FILMS - A biaxially oriented polyester film including polyethylene terephthalate (PET) and at least one hydrolysis stabiliser selected from a glycidyl ester of a branched monocarboxylic acid, wherein the monocarboxylic acid has from 5 to 50 carbon atoms, wherein the hydrolysis stabiliser is present in the film in the form of its reaction product with at least some of the end-groups of the polyester; a process for making the same; and use of the film as a layer in a photovoltaic cell. | 09-13-2012 |
20110216474 | Plastic Film Having a High Voltage Breakdown - A stretched film comprising a dispersion of at least one polyester and/or polycarbonate in a matrix of at least one polyester and/or polycarbonate different from the first polyester and/or polycarbonate, the percentage by weight of the dispersed polyester and/or polycarbonate in the dispersion being less than 50% and the dispersed polyester and/or polycarbonate being in the form of platelets. The stretched film can be used as a dielectric in a capacitor. | 09-08-2011 |
20110209901 | COATED POLYESTER FILM - A method of improving the flexibility of a coated polyester substrate for an electronic device comprising a coated polyester substrate layer and an electrode layer comprising conductive material, said method comprising: (a) providing a polyester film; and (b) disposing an organic/inorganic hybrid coating on one or both surfaces of said polyester film, wherein said coating is derived from a coating composition comprising a low molecular weight reactive component selected from monomeric acrylates and/or an unsaturated oligomeric component selected from acrylates, polyether acrylates, epoxy acrylates and polyester acrylates; a solvent; and inorganic particles, and optionally further comprising a photoinitiator. | 09-01-2011 |
20110198359 | HEAT-SEALABLE AND SHRINKABLE MULTI-LAYER POLYMERIC FILM - An open-ended tube comprising walls of a heat-sealable multi-layer polymeric film, wherein said film comprises an outer shrinkable substrate layer and an inner heat-sealable layer, wherein said substrate layer has a degree of shrinkage in the longitudinal dimension of the tube of about 0% to about 50% over the temperature range 55 to 100° C., and a degree of shrinkage in the transverse dimension of the tube of 5 to about 70% over the temperature range 55 to 100° C.; and use thereof in the manufacture of packaging for a container suitable as a receptacle for a ready-prepared ovenable meal. | 08-18-2011 |
20110165409 | Coated Polymeric Substrates - A composite film comprising a polymeric substrate and a transparent conductive layer, said conductive layer being derived from a coating composition containing: (i) electrically conductive particles selected from the group consisting of metal oxides and doped metal oxides; (ii) poly(vinyl alcohol); and (iii) an aqueous solvent, wherein the sheet resistance of the conductive layer is no more than 1,000 ohms per square, and wherein the ratio by weight of said electrically conductive particles to said poly(vinyl alcohol) is defined as W | 07-07-2011 |
20110163101 | MULTILAYER SEALANT FILM - A multilayer film suitable for sealing containers such as used for food packaging, and methods of making the film, are described. The film is particularly suitable for sealing containers made from polylactic acid (PLA). The multilayer film includes a) a substrate that includes a polymeric base layer; and b) on the substrate, a heatseal layer containing a PLA homopolymer or copolymer. The heatseal layer further includes dispersed therein an adhesion promoter, or alternatively the substrate further includes the adhesion promoter in a layer on a surface of the polymeric base layer between and adjacent the base layer and the heatseal layer. An antifog agent may also be included in the heatseal layer or on the surface of the heatseal layer opposite the substrate. | 07-07-2011 |
20110100454 | Coated and Planarised Polymeric Films - A composite film comprising a polymeric substrate and a planarising coating layer wherein the surface of the planarised substrate exhibits an Ra value of less than 0.7 run and/or an Rq value of less than 0.9 nm, and wherein the composite film further comprises a gas-permeation barrier deposited by atomic layer deposition on a planarised surface of the substrate; an electronic device comprising said composite film; and processes for the production thereof. | 05-05-2011 |
20110052789 | Composite Structure Including A Low Vinyl Acetate Layer - A composite structure suitable for making transdermal delivery devices includes in sequence: (a) a liner film layer; (b) a containment layer having from zero to 15 wt % content of vinyl acetate repeating units, the layer including either a thermal bonding copolyester resin or a combination of an ethylene-vinyl acetate component and a nonpolar polymer; and (c) a polyester film layer less than 20 μm in thickness. A drug layer lies either between the liner film layer and the containment layer or within a concave depression in the containment layer. | 03-03-2011 |
20110003160 | Silicate-Containing Antifog Coatings - A coating composition comprising an alkali metal silicate, a wetting agent, and a hydrophilic antifog agent forms an antifog coating on a substrate. The coating may be applied to the surface of a film from an aqueous dispersion of the ingredients, followed by drying to form a composite film | 01-06-2011 |
20100297451 | COATED ARTICLES - A coated article includes a substrate having on its surface a coating that includes a polymer selected from the group consisting of hydroxypropylcellulose, poly(2-ethyl-2- oxazoline) and mixtures of these, a surfactant, colloidal silica, and a crosslinker selected from the group consisting of water-soluble titanium salts and water-soluble or water-dispersible organic crosslinkers. The coating may be formed by applying a dispersion of the coating composition in a diluent to the substrate and subsequently drying the coated substrate to evaporate the diluent. | 11-25-2010 |
20100212804 | BRITTLE POLYMERIC FILM & TAMPER EVIDENT LABELS MADE THEREFROM - A process for the production of a polymeric film comprising a copolyester having an acid component and a diol component, said acid component comprising a dicarboxylic acid and a sulfomonomer containing a sulfonate group attached to the aromatic nucleus of an aromatic dicarboxylic acid, said process comprising the steps of: (i) melt-extruding a layer of said copolyester; (ii) stretching the extrudate in at least one direction; (iii) heat-setting the film by raising the temperature of the stretched film to a temperature T | 08-26-2010 |
20100189998 | MANUFACTURING PROCESS FOR POLYESTER FILM EXHIBITING LOW THERMAL SHRINKAGE - A process in which a wound roll of biaxially oriented polyester film having a glass transition temperature (Tg (° C.)) is annealed at a temperature T | 07-29-2010 |
20100159198 | COATED POLYMERIC SUBSTRATES HAVING IMPROVED SURFACE SMOOTHNESS SUITABLE FOR USE IN FLEXIBLE ELECTRONIC AND OPTO-ELECTRONIC DEVICES - The use of a coating composition comprising: | 06-24-2010 |
20100154886 | COATED POLYMERIC SUBSTRATES HAVING IMPROVED SURFACE SMOOTHNESS SUITABLE FOR USE IN FLEXIBLE ELECTRONIC AND OPTO-ELECTRONIC DEVICES - The use of a coating composition comprising:
| 06-24-2010 |
20100068355 | HEAT-SEALABLE COMPOSITE POLYESTER FILM - A heat-sealable, coextruded composite polymeric film comprising a substrate layer comprising a first copolyester material having on a surface thereof a heat-sealable layer comprising a second copolyester material wherein: (i) the first and second copolyester materials are different from each other; (ii) the copolyester of the substrate layer comprises an aromatic dicarboxylic acid and a saturated aliphatic dicarboxylic acid of formula C | 03-18-2010 |
20100003377 | POLYESTER FILM - A heat-sealable, peelable, coextruded composite polymeric film comprising a substrate layer of polymeric material having on a surface thereof a heat-sealable layer, wherein said heat-sealable layer comprises a copolyester of least one aromatic dicarboxylic acid, at least one aliphatic dicarboxylic acid and one or more glycol(s); the thickness of said heat-sealable layer is in the range of from about 0.3 to about 3 μm; and the heat-sealable layer comprises one or more wax(es) is described. | 01-07-2010 |
20090286665 | METHOD OF MANUFACTURE OF PARTICLES WITH CONTROLLED DIMENSIONS - A process for the preparation of particles with controlled dimensions comprising the steps of: (i) providing a laminar substrate having a patterned surface comprising a micro-relief repeat pattern comprising one or more discrete cells, each cell consisting of a floor portion and walls having a height (H | 11-19-2009 |
20090130276 | Polymeric Film Packaging - A method of packaging ovenable fish or meat and which comprises the steps of providing a dual-ovenable thermoformable polymeric receiving film having a first and second surface and a dual-ovenable polymeric covering film having a first and second surface, wherein said receiving film consists of a mono-layer polyester or polyamide substrate, an optional barrier layer, and an optional heat-sealable layer which where present constitutes the first surface of the receiving film, wherein said receiving and covering films are separate pieces of film and wherein at least one of said first surfaces of said receiving and covering films is a heat-sealable surface; providing a raised outer portion and an indented central portion in said receiving film by thermoforming; disposing on the first surface of the receiving film a portion of meat or fish; disposing the covering film over the portion of meat or fish such that the first surface of the covering film is disposed towards the first surface of the receiving film; contacting the peripheral portions of the first surface of the receiving film and the first surface of the covering film and forming a heat-seal bond therebetween; and optionally freezing the packaged meat or fish is described. | 05-21-2009 |
20080211629 | Polymeric Film Substrate for Use in Radio-Frequency Responsive - A radio-frequency (RF) responsive tag comprising a heat-sealing substrate comprising a polyester layer, and an antenna comprising a patter of conductive material wherein said conductive material is in direct contact with a heat-sealing surface of the substrate, and wherein the shrinkage of the heat-sealing substrate is less than 5% at 190° C. over 30 minutes; a method of manufacture of said RF-response tag. | 09-04-2008 |