Patents by Inventor Robert Eveson
Robert Eveson has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11646385Abstract: Photovoltaic cells which comprise a back plane comprising a polyester film and an adhesive coating derived from an ethylene vinyl acetate copolymer and an oxazoline crosslinking agent and methods for forming the same are described.Type: GrantFiled: March 11, 2016Date of Patent: May 9, 2023Assignee: DuPont Teijin Films U.S. Limited PartnershipInventors: Robert Eveson, Robert Hutchings, Julian Neal Robinson, Moira Tayler
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Patent number: 11518157Abstract: A method of preparing a multi-layer assembly, or of protecting a surface of a multi-layer substrate from damage and/or contamination and/or debris, said method comprising the steps of: (i) providing a composite film comprising a polymeric base layer having a first and second surface and disposed on the first surface thereof a polymeric protective layer having a first surface and a second surface such that the first surface of the said base layer is in contact with the first surface of the polymeric protective layer, wherein said polymeric protective layer comprises an ethylene-based copolymer, and preferably wherein the polymeric base layer comprises a polyester derived from one or more diol(s) and one or more dicarboxylic acid(s); (ii) removing said polymeric protective layer from the first surface of said base layer; (iii) disposing on the exposed first surface of said base layer one or more functional layers to provide a multi-layer substrate, wherein the, or at least the uppermost, functional layer compriType: GrantFiled: June 26, 2018Date of Patent: December 6, 2022Assignees: DuPont Teijin Films U.S. Limited Partnership, Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung E.V.Inventors: John Fahlteich, Nicole Prager, Matthias Fahland, Olaf Zywitzki, Valentijn Von Morgen, Robert Eveson
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Patent number: 11302838Abstract: The invention is concerned with photovoltaic cells, processes for the production thereof and polyester films useful in the production thereof wherein the back plane of the photovoltaic cell is a polyester film having an adhesive coating derived from a composition comprising an epoxy resin and a blocked diisocyanate.Type: GrantFiled: March 18, 2016Date of Patent: April 12, 2022Assignee: DuPont Teijin Films U.S. Limited PartnershipInventors: Robert Eveson, Michael Heeran, Robert Hutchings, Simon Mortlock
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Patent number: 11091581Abstract: Polyester films with abrasion resistant coatings and methods for making the same are provided. The coated polyester films include a polyester film substrate having a coating on at least one side thereof, wherein the coating is derived from a coating composition that includes (i) a melamine crosslinker component and (ii) a polyurethane component derivable from at least one diisocyanate and at least one polymeric polyol.Type: GrantFiled: May 21, 2015Date of Patent: August 17, 2021Assignee: DuPont Teijin Films U.S. Limited PartnershipInventors: Robert Eveson, Robert Hutchings
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Patent number: 11028291Abstract: 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.Type: GrantFiled: September 12, 2018Date of Patent: June 8, 2021Assignee: DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIPInventors: Robert Eveson, Karl Rakos, Damian Peter Tuffin, Dominic Hoy
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Publication number: 20200147949Abstract: A method of preparing a multi-layer assembly, or of protecting a surface of a multi-layer substrate from damage and/or contamination and/or debris, said method comprising the steps of: (i) providing a composite film comprising a polymeric base layer having a first and second surface and disposed on the first surface thereof a polymeric protective layer having a first surface and a second surface such that the first surface of the said base layer is in contact with the first surface of the polymeric protective layer, wherein said polymeric protective layer comprises an ethylene-based copolymer, and preferably wherein the polymeric base layer comprises a polyester derived from one or more diol(s) and one or more dicarboxylic acid(s); (ii) removing said polymeric protective layer from the first surface of said base layer; (iii) disposing on the exposed first surface of said base layer one or more functional layers to provide a multi-layer substrate, wherein the, or at least the uppermost, functional layer compriType: ApplicationFiled: June 26, 2018Publication date: May 14, 2020Applicants: DuPont Teijin Films U.S. Limited Partnership, Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung E.V.Inventors: John Fahlteich, Nicole Prager, Matthias Fahland, Olaf Zywitzki, Valentijn Von Morgen, Robert Eveson
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Publication number: 20190085216Abstract: 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.Type: ApplicationFiled: September 12, 2018Publication date: March 21, 2019Applicant: DuPont Teijin Films U.S. Limited PartnershipInventors: ROBERT EVESON, Karl RAKOS, Damian Peter TUFFIN, Dominic HOY
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Patent number: 10106706Abstract: 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.Type: GrantFiled: March 13, 2012Date of Patent: October 23, 2018Assignee: DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIPInventors: Robert Eveson, Karl Rakos, Damian Peter Tuffin, Dominic Hoy
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Publication number: 20180053865Abstract: Photovoltaic cells which comprise a back plane comprising a polyester film and an adhesive coating derived from an ethylene vinyl acetate copolymer and an oxazoline crosslinking agent and methods for forming the same are described.Type: ApplicationFiled: March 11, 2016Publication date: February 22, 2018Applicant: DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIPInventors: Robert EVESON, Robert HUTCHINGS, Julian Neal ROBINSON, Moira TAYLER
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Publication number: 20180053866Abstract: The invention is concerned with photovoltaic cells, processes for the production thereof and polyester films useful in the production thereof wherein the back plane of the photovoltaic cell is a polyester film having an adhesive coating derived from a composition comprising an epoxy resin and a blocked diisocyanate.Type: ApplicationFiled: March 18, 2016Publication date: February 22, 2018Applicant: DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIPInventors: Robert EVESON, Michael HEERAN, Robert HUTCHINGS, Simon MORTLOCK
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Publication number: 20170081488Abstract: Polyester films with abrasion resistant coatings and methods for making the same are provided. The coated polyester films include a polyester film substrate having a coating on at least one side thereof, wherein the coating is derived from a coating composition that includes (i) a melamine crosslinker component and (ii) a polyurethane component derivable from at least one diisocyanate and at least one polymeric polyol.Type: ApplicationFiled: May 21, 2015Publication date: March 23, 2017Applicant: DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIPInventors: ROBERT EVESON, ROBERT HUTCHINGS
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Publication number: 20140008026Abstract: 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.Type: ApplicationFiled: March 13, 2012Publication date: January 9, 2014Applicant: DuPont Teijin Films U.S. Limited PartnershipInventors: Robert Eveson, Karl Rakos, Damian Peter Tuffin, Dominic Hoy
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Publication number: 20080090169Abstract: A composite film suitable as a donor support in a radiation-induced thermal transfer imaging process, said film comprising a polymeric substrate and a transfer-assist coating layer derived from an aqueous composition comprising one or more water-soluble or water-dispersible radiation-absorbing compound(s).Type: ApplicationFiled: October 20, 2005Publication date: April 17, 2008Applicant: DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIPInventors: Robert Eveson, Moira Logan, Christopher Ferguson, Thomas Felder, James Joiner, Richard Pankratz
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Publication number: 20080003519Abstract: A donor element useful in an assemblage for imaging by exposure to light comprises a support layer formed by a stretching process, a light-to-heat conversion layer disposed adjacent the support layer containing a light absorber, and a transfer layer disposed adjacent the light-to-heat conversion layer opposite the support layer. The light-to-heat conversion layer is coated on the support prior to completion of the stretching process.Type: ApplicationFiled: October 20, 2005Publication date: January 3, 2008Inventors: Thomas Felder, Robert Eveson, Christopher Ferguson, James Joiner, Moira Logan, Richard Pankratz, Fredrick Zumsteg Jr
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Publication number: 20050238871Abstract: The use of a coating composition comprising: (a) from about 5 to about 50 weight percent solids, the solids comprising from about 10 to about 70 weight percent silica and from about 90 to about 30 weight percent of a partially polymerized organic silanol of the general formula RSi(OH)3, wherein R is selected from methyl and up to about 40% of a group selected from the group consisting of vinyl, phenyl, gamma-glycidoxypropyl, and gamma-methacryloxypropyl, and (b) from about 95 to about 50 weight percent solvent, the solvent comprising from about 10 to about 90 weight percent water and from about 90 to about 10 weight percent lower aliphatic alcohol, wherein the coating composition has a pH of from about 3.0 to about 8.0, for the purpose of improving the surface smoothness of a polymeric substrate, particularly a heat-stabilised, heat-set, oriented polyester substrate, and use of said coated substrate in the manufacture of an electronic or optoelectronic device containing a conjugated conductive polymer.Type: ApplicationFiled: March 19, 2003Publication date: October 27, 2005Inventors: Julian Robinson, Robert Eveson, Karl Rakos