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).

  • Patent number: 11965073
    Abstract: 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: Grant
    Filed: March 8, 2023
    Date of Patent: April 23, 2024
    Assignee: DuPont Teijin Films U.S. Limited Partnership
    Inventors: Shane Ashby, Simon Mortlock, William A. MacDonald, Allan Lovatt
  • Publication number: 20230257538
    Abstract: 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: Application
    Filed: March 8, 2023
    Publication date: August 17, 2023
    Applicant: DuPont Teijin Films U.S Limited Partnership
    Inventors: Shane Ashby, Simon Mortlock, William A. MacDonald, Allan Lovatt
  • Patent number: 11634548
    Abstract: 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: Grant
    Filed: April 26, 2019
    Date of Patent: April 25, 2023
    Assignee: DuPont Teijin Films U.S. Limited Partnership
    Inventors: Shane Ashby, Simon Mortlock, William A. MacDonald, Allan Lovatt
  • Patent number: 11629241
    Abstract: 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: Grant
    Filed: May 8, 2018
    Date of Patent: April 18, 2023
    Assignee: DuPont Teijin Films U.S. Limited Partnership
    Inventors: Allan Lovatt, Anthony Whitehead, Emily Parnham
  • Publication number: 20210047500
    Abstract: 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: Application
    Filed: April 26, 2019
    Publication date: February 18, 2021
    Applicant: DuPont Teijin Films U.S. Limited Partnership
    Inventors: Shane Ashby, Simon Mortlock, William A. MacDonald, Allan Lovatt
  • Publication number: 20200087488
    Abstract: 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: Application
    Filed: May 8, 2018
    Publication date: March 19, 2020
    Applicant: DuPont Teijin Films U. K. Limited Partnership
    Inventors: Allan Lovatt, Anthny Whitehead, Emily Parnham
  • Patent number: 10439086
    Abstract: 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: Grant
    Filed: July 8, 2015
    Date of Patent: October 8, 2019
    Assignee: DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP
    Inventors: Emily Parnham, Simon V. Mortlock, Allan Lovatt, Julian N. Robinson, Maurice Kieran Looney, Paul James Oliver
  • Publication number: 20170162734
    Abstract: 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: Application
    Filed: July 8, 2015
    Publication date: June 8, 2017
    Applicant: DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP
    Inventors: Emily PARNHAM, Simon V. MORTLOCK, Allan LOVATT, Julian N. ROBINSON, Maurice Kieran LOONEY, Paul James OLIVER
  • Patent number: 9416225
    Abstract: 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: Grant
    Filed: September 8, 2010
    Date of Patent: August 16, 2016
    Assignee: DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP
    Inventors: William J. Brennan, Simon V. Mortlock, Allan Lovatt, David Phillips, David R. Turner
  • Patent number: 9333692
    Abstract: 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: Grant
    Filed: March 7, 2012
    Date of Patent: May 10, 2016
    Assignee: DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP
    Inventors: William J. Brennan, Simon Vernon Mortlock, William Bryden Goldie, Emma Ashford, Kirstin Jayne Forsyth, David R. Turner, Allan Lovatt
  • Publication number: 20150151474
    Abstract: 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: Application
    Filed: February 5, 2015
    Publication date: June 4, 2015
    Inventors: William J. Brennan, Simon Vernon Mortlock, William Bryden Goldie, Emma Ashford, Kristin Jayne Forsyth, David R. Turner, Allan Lovatt
  • Publication number: 20140053901
    Abstract: 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: Application
    Filed: March 7, 2012
    Publication date: February 27, 2014
    Applicant: DuPont Teijin Films U.S. Limited Partnership
    Inventors: William J. Brennan, Simon Vernon Mortlock, William Bryden Goldie, Emma Ashford, Kirstin Jayne Forsyth, David R. Turner, Allan Lovatt
  • Publication number: 20120227801
    Abstract: 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: Application
    Filed: September 8, 2010
    Publication date: September 13, 2012
    Applicant: DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP
    Inventors: William J. Brennan, Simon V. Mortlock, Allan Lovatt, David Phillips, David R. Turner
  • Patent number: 6743520
    Abstract: 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: Grant
    Filed: December 17, 2002
    Date of Patent: June 1, 2004
    Assignee: DuPont Teijin Films US Ltd. Partnership
    Inventors: Andrew Street, Allan Lovatt, Jane Constance Campbell, Hikaru Takeuchi, Sumio Wakabayashi, Yasuo Fujieda
  • Publication number: 20040009361
    Abstract: 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: Application
    Filed: December 17, 2002
    Publication date: January 15, 2004
    Inventors: Andrew Charles Street, Allan Lovatt, Jane Constance Campbell, Hikaru Takeuchi, Sumio Wakabayashi, Yasuo Fujieda
  • Patent number: 6270888
    Abstract: 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: Grant
    Filed: January 7, 2000
    Date of Patent: August 7, 2001
    Assignee: Dupont Teijin Films US Limited Partner
    Inventors: Philip Mark Rutter, Allan Lovatt