Patents by Inventor Allan Lovatt
Allan Lovatt 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: 11965073Abstract: A polyester film comprising a polymeric phosphonate flame retardant in an amount of from about 1.0 to about 25.0 wt % by total weight of the film and further comprising at least one metal cation selected from the group consisting of Group I and Group II metal cations.Type: GrantFiled: March 8, 2023Date of Patent: April 23, 2024Assignee: DuPont Teijin Films U.S. Limited PartnershipInventors: Shane Ashby, Simon Mortlock, William A. MacDonald, Allan Lovatt
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Publication number: 20230257538Abstract: A polyester film comprising a polymeric phosphonate flame retardant in an amount of from about 1.0 to about 25.0 wt % by total weight of the film and further comprising at least one metal cation selected from the group consisting of Group I and Group II metal cations.Type: ApplicationFiled: March 8, 2023Publication date: August 17, 2023Applicant: DuPont Teijin Films U.S Limited PartnershipInventors: Shane Ashby, Simon Mortlock, William A. MacDonald, Allan Lovatt
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Patent number: 11634548Abstract: A polyester film comprising a polymeric phosphonate flame retardant in an amount of from about 1.0 to about 25.0 wt % by total weight of the film and further comprising at least one metal cation selected from the group consisting of Group I and Group II metal cations.Type: GrantFiled: April 26, 2019Date of Patent: April 25, 2023Assignee: DuPont Teijin Films U.S. Limited PartnershipInventors: Shane Ashby, Simon Mortlock, William A. MacDonald, Allan Lovatt
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Patent number: 11629241Abstract: The use of titanium dioxide particles coated by an organic coating for increasing the hydrolysis resistance of an oriented polyester film, particularly wherein the organic coating does not comprise or is not derived from a silane, and particularly wherein the organic coating is selected from an organophosphorus compound and a polymeric organic coating; and oriented polyester films comprising such titanium dioxide particles coated by an organic coating; and photovoltaic cells comprising such films.Type: GrantFiled: May 8, 2018Date of Patent: April 18, 2023Assignee: DuPont Teijin Films U.S. Limited PartnershipInventors: Allan Lovatt, Anthony Whitehead, Emily Parnham
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Publication number: 20210047500Abstract: A polyester film comprising a polymeric phosphonate flame retardant in an amount of from about 1.0 to about 25.0 wt % by total weight of the film and further comprising at least one metal cation selected from the group consisting of Group I and Group II metal cations.Type: ApplicationFiled: April 26, 2019Publication date: February 18, 2021Applicant: DuPont Teijin Films U.S. Limited PartnershipInventors: Shane Ashby, Simon Mortlock, William A. MacDonald, Allan Lovatt
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Publication number: 20200087488Abstract: The use of titanium dioxide particles coated by an organic coating for increasing the hydrolysis resistance of an oriented polyester film, particularly wherein the organic coating does not comprise or is not derived from a silane, and particularly wherein the organic coating is selected from an organophosphorus compound and a polymeric organic coating; and oriented polyester films comprising such titanium dioxide particles coated byan organic coating; and photovoltaic cells comprising such films.Type: ApplicationFiled: May 8, 2018Publication date: March 19, 2020Applicant: DuPont Teijin Films U. K. Limited PartnershipInventors: Allan Lovatt, Anthny Whitehead, Emily Parnham
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Patent number: 10439086Abstract: A photovoltaic cell comprising a transparent front-plane, an opaque back-plane and an encapsulant resin wherein said back-plane comprises a polyester film comprising a base layer (B) comprising a crystallizable polyester and a heat-sealable layer (A) comprising an amorphous copolyester wherein: (i) said amorphous copolyester is derived from an aliphatic diol and a cycloaliphatic diol and at least one aromatic dicarboxylic acid (ii) said polyester film is disposed in the photovoltaic cell such that layer (A) is in contact with the encapsulant resin.Type: GrantFiled: July 8, 2015Date of Patent: October 8, 2019Assignee: DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIPInventors: Emily Parnham, Simon V. Mortlock, Allan Lovatt, Julian N. Robinson, Maurice Kieran Looney, Paul James Oliver
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Publication number: 20170162734Abstract: A photovoltaic cell comprising a transparent front-plane, an opaque back-plane and an encapsulant resin wherein said back-plane comprises a polyester film comprising a base layer (B) comprising a crystallisable polyester and a heat-sealable layer (A) comprising an amorphous copolyester wherein: (i) said amorphous copolyester is derived from an aliphatic diol and a cycloaliphatic diol and at least one aromatic dicarboxylic acid (ii) said polyester film is disposed in the photovoltaic cell such that layer (A) is in contact with the encapsulant resin.Type: ApplicationFiled: July 8, 2015Publication date: June 8, 2017Applicant: DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIPInventors: Emily PARNHAM, Simon V. MORTLOCK, Allan LOVATT, Julian N. ROBINSON, Maurice Kieran LOONEY, Paul James OLIVER
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Patent number: 9416225Abstract: A biaxially oriented polyester film including polyethylene terephthalate (PET) and at least one hydrolysis stabilizer selected from a glycidyl ester of a branched monocarboxylic acid, wherein the monocarboxylic acid has from 5 to 50 carbon atoms, wherein the hydrolysis stabilizer 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.Type: GrantFiled: September 8, 2010Date of Patent: August 16, 2016Assignee: DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIPInventors: William J. Brennan, Simon V. Mortlock, Allan Lovatt, David Phillips, David R. Turner
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Patent number: 9333692Abstract: A biaxially oriented polyester film comprising polyester and at least one hydrolysis stabilizer selected from a glycidyl ester of a branched monocarboxylic acid, wherein the monocarboxylic acid has from 5 to 50 carbon atoms, wherein said hydrolysis stabilizer 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 stabilizer 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.Type: GrantFiled: March 7, 2012Date of Patent: May 10, 2016Assignee: DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIPInventors: William J. Brennan, Simon Vernon Mortlock, William Bryden Goldie, Emma Ashford, Kirstin Jayne Forsyth, David R. Turner, Allan Lovatt
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Publication number: 20150151474Abstract: 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.Type: ApplicationFiled: February 5, 2015Publication date: June 4, 2015Inventors: William J. Brennan, Simon Vernon Mortlock, William Bryden Goldie, Emma Ashford, Kristin Jayne Forsyth, David R. Turner, Allan Lovatt
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Publication number: 20140053901Abstract: 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.Type: ApplicationFiled: March 7, 2012Publication date: February 27, 2014Applicant: DuPont Teijin Films U.S. Limited PartnershipInventors: William J. Brennan, Simon Vernon Mortlock, William Bryden Goldie, Emma Ashford, Kirstin Jayne Forsyth, David R. Turner, Allan Lovatt
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Publication number: 20120227801Abstract: 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.Type: ApplicationFiled: September 8, 2010Publication date: September 13, 2012Applicant: DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIPInventors: William J. Brennan, Simon V. Mortlock, Allan Lovatt, David Phillips, David R. Turner
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Patent number: 6743520Abstract: A primer useful in the preparation of an anti-fouling surface contains (I) a copolymer formed from acrylates, free carboxyl group containing monomer and an aromatic sulfonic acid or salt, an acrylic polymeric resin and a cross-linking agent.Type: GrantFiled: December 17, 2002Date of Patent: June 1, 2004Assignee: DuPont Teijin Films US Ltd. PartnershipInventors: Andrew Street, Allan Lovatt, Jane Constance Campbell, Hikaru Takeuchi, Sumio Wakabayashi, Yasuo Fujieda
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Publication number: 20040009361Abstract: A primer useful in the preparation of an anti fouling surface contains (I) a copolymer formed from acrylates, free carboxyl group containing monomer and an aromatic sulfonic acid or salt, an acrylic polymeric resin and a cross-linking agent.Type: ApplicationFiled: December 17, 2002Publication date: January 15, 2004Inventors: Andrew Charles Street, Allan Lovatt, Jane Constance Campbell, Hikaru Takeuchi, Sumio Wakabayashi, Yasuo Fujieda
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Patent number: 6270888Abstract: A polymeric film comprising a polyester film substrate comprising 0.1% to 10% by weight, relative to the weight of the polyester, of at least one UV absorber, and a heat sealable layer, wherein the substrate is a multilayer film having an outer substrate layer and an inner substrate layer, the inner substrate layer comprising 1% to 40% by weight of UV absorber, relative to the amount of UV absorber present in the outer substrate layer. The film is particularly suitable for use as a protective layer on a metal sheet.Type: GrantFiled: January 7, 2000Date of Patent: August 7, 2001Assignee: Dupont Teijin Films US Limited PartnerInventors: Philip Mark Rutter, Allan Lovatt