Patents by Inventor Dale Robert Mitchell

Dale Robert Mitchell 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).

  • Publication number: 20220106287
    Abstract: The invention provides a compound of formula (I): or tautomer or a solvate or a pharmaceutically acceptable salt thereof, wherein the various substituents are as defined in the claims. Also provided are pharmaceutical compositions containing the compounds of formula (I), processes for making the compounds and the medical uses of the compounds.
    Type: Application
    Filed: April 12, 2021
    Publication date: April 7, 2022
    Applicants: ASTEX THERAPEUTICS LIMITED, CANCER RESEARCH TECHNOLOGY LIMITED
    Inventors: Gianni CHESSARI, Steven HOWARD, Ildiko Maria BUCK, Benjamin David CONS, Christopher Norbert JOHNSON, Rhian Sara HOLVEY, David Charles REES, Jeffrey David ST. DENIS, Emiliano TAMANINI, Bernard Thomas GOLDING, Ian Robert HARDCASTLE, Celine Florence CANO, Duncan Charles MILLER, Martin Edward Mäntylä NOBLE, Roger John GRIFFIN, James Daniel OSBORNE, Joanne PEACH, Arwel LEWIS, Kim Louise HIRST, Benjamin Paul WHITTAKER, David Wyn WATSON, Dale Robert MITCHELL
  • Patent number: 11261171
    Abstract: The invention provides a compound of formula (I): or tautomer or a solvate or a pharmaceutically acceptable salt thereof, wherein the various substituents are as defined in the claims. Also provided are pharmaceutical compositions containing the compounds of formula (I), processes for making the compounds and the medical uses of the compounds.
    Type: Grant
    Filed: November 12, 2019
    Date of Patent: March 1, 2022
    Assignees: ASTEX THERAPEUTICS LIMITED, CANCER RESEARCH TECHNOLOGY LIMITED
    Inventors: Gianni Chessari, Steven Howard, Ildiko Maria Buck, Benjamin David Cons, Christopher Norbert Johnson, Rhian Sara Holvey, David Charles Rees, Jeffrey David St. Denis, Emiliano Tamanini, Bernard Thomas Golding, Ian Robert Hardcastle, Celine Florence Cano, Duncan Charles Miller, Martin Edward Mäntylä Noble, Roger John Griffin, James Daniel Osborne, Joanne Peach, Arwel Lewis, Kim Louise Hirst, Benjamin Paul Whittaker, David Wyn Watson, Dale Robert Mitchell
  • Publication number: 20210276984
    Abstract: The invention provides a compound of formula (I): or tautomer or a solvate or a pharmaceutically acceptable salt thereof, wherein the various substituents are as defined in the claims. Also provided are pharmaceutical compositions containing the compounds of formula (I), processes for making the compounds and the medical uses of the compounds.
    Type: Application
    Filed: February 1, 2021
    Publication date: September 9, 2021
    Applicants: ASTEX THERAPEUTICS LIMITED, CANCER RESEARCH TECHNOLOGY LIMITED
    Inventors: Gianni CHESSARI, Steven HOWARD, Ildiko Maria BUCK, Benjamin David CONS, Christopher Norbert JOHNSON, Rhian Sara HOLVEY, David Charles REES, Jeffrey David ST. DENIS, Emiliano TAMANINI, Bernard Thomas GOLDING, Ian Robert HARDCASTLE, Celine Florence CANO, Duncan Charles MILLER, Martin Edward Mäntylä NOBLE, Roger John GRIFFIN, James Daniel OSBORNE, Joanne PEACH, Arwel LEWIS, Kim Louise HIRST, Benjamin Paul WHITTAKER, David Wyn WATSON, Dale Robert MITCHELL
  • Patent number: 10981898
    Abstract: The invention provides a compound of formula (I): or tautomer or a solvate or a pharmaceutically acceptable salt thereof, wherein the various substituents are as defined in the claims. Also provided are pharmaceutical compositions containing the compounds of formula (I), processes for making the compounds and the medical uses of the compounds.
    Type: Grant
    Filed: August 8, 2019
    Date of Patent: April 20, 2021
    Assignees: ASTEX THERAPEUTICS LIMITED, CANCER RESEARCH TECHNOLOGY LIMITED
    Inventors: Gianni Chessari, Steven Howard, Ildiko Maria Buck, Benjamin David Cons, Christopher Norbert Johnson, Rhian Sara Holvey, David Charles Rees, Jeffrey David St. Denis, Emiliano Tamanini, Bernard Thomas Golding, Ian Robert Hardcastle, Celine Florence Cano, Duncan Charles Miller, Martin Edward Mäntylä Noble, Roger John Griffin, James Daniel Osborne, Joanne Peach, Arwel Lewis, Kim Louise Hirst, Benjamin Paul Whittaker, David Wyn Watson, Dale Robert Mitchell
  • Publication number: 20200247789
    Abstract: The invention provides a compound of formula (I): or tautomer or a solvate or a pharmaceutically acceptable salt thereof, wherein the various substituents are as defined in the claims. Also provided are pharmaceutical compositions containing the compounds of formula (I), processes for making the compounds and the medical uses of the compounds.
    Type: Application
    Filed: August 8, 2019
    Publication date: August 6, 2020
    Applicants: ASTEX THERAPEUCTICS LIMITED, CANCER RESEARCH TECHNOLOGY LIMITED
    Inventors: Gianni CHESSARI, Steven HOWARD, Ildiko Maria BUCK, Benjamin David CONS, Christopher Norbert JOHNSON, Rhian Sara HOLVEY, David Charles REES, Jeffrey David ST. DENIS, Emiliano TAMANINI, Bernard Thomas GOLDING, Ian Robert HARDCASTLE, Celine Florence CANO, Duncan Charles MILLER, Martin Edward Mäntylä NOBLE, Roger John GRIFFIN, James Daniel OSBORNE, Joanne PEACH, Arwel LEWIS, Kim Louise HIRST, Benjamin Paul WHITTAKER, David Wyn WATSON, Dale Robert MITCHELL
  • Publication number: 20200079761
    Abstract: The invention provides a compound of formula (I): or tautomer or a solvate or a pharmaceutically acceptable salt thereof, wherein the various substituents are as defined in the claims. Also provided are pharmaceutical compositions containing the compounds of formula (I), processes for making the compounds and the medical uses of the compounds.
    Type: Application
    Filed: August 8, 2019
    Publication date: March 12, 2020
    Applicants: ASTEX THERAPEUTICS LIMITED, CANCER RESEARCH TECHNOLOGY LIMITED
    Inventors: Gianni CHESSARI, Steven HOWARD, lldiko Maria BUCK, Benjamin David CONS, Christopher Norbert JOHNSON, Rhian Sara HOLVEY, David Charles REES, Jeffrey David ST. DENIS, Emiliano TAMANINI, Bernard Thomas GOLDING, Ian Robert HARDCASTLE, Celine Florence CANO, Duncan Charles MILLER, Martin Edward Mantyla NOBLE, Roger John GRIFFIN, James Daniel OSBORNE, Joanne PEACH, Arwel LEWIS, Kim Louise HIRST, Benjamin Paul WHITTAKER, David Wyn WATSON, Dale Robert MITCHELL
  • Patent number: 10544132
    Abstract: The invention provides a compound of formula (I): or tautomer or a solvate or a pharmaceutically acceptable salt thereof, wherein the various substituents are as defined in the claims. Also provided are pharmaceutical compositions containing the compounds of formula (I), processes for making the compounds and the medical uses of the compounds.
    Type: Grant
    Filed: September 29, 2016
    Date of Patent: January 28, 2020
    Assignees: ASTEX THERAPEUTICS LIMITED, CANCER RESEARCH TECHNOLOGY LIMITED
    Inventors: Gianni Chessari, Steven Howard, Ildiko Maria Buck, Benjamin David Cons, Christopher Norbert Johnson, Rhian Sara Holvey, David Charles Rees, Jeffrey David St. Denis, Emiliano Tamanini, Bernard Thomas Golding, Ian Robert Hardcastle, Celine Florence Cano, Duncan Charles Miller, Martin Edward Mäntylä Noble, Roger John Griffin, James Daniel Osborne, Joanne Peach, Arwel Lewis, Kim Louise Hirst, Benjamin Paul Whittaker, David Wyn Watson, Dale Robert Mitchell
  • Patent number: 10526311
    Abstract: The invention provides a compound of formula (I): or tautomer or a solvate or a pharmaceutically acceptable salt thereof, wherein the various substituents are as defined in the claims. Also provided are pharmaceutical compositions containing the compounds of formula (I), processes for making the compounds and the medical uses of the compounds.
    Type: Grant
    Filed: September 29, 2016
    Date of Patent: January 7, 2020
    Assignees: ASTEX THERAPEUTICS LIMITED, CANCER RESEARCH TECHNOLOGY LIMITED
    Inventors: Gianni Chessari, Steven Howard, Ildiko Maria Buck, Benjamin David Cons, Christopher Norbert Johnson, Rhian Sara Holvey, David Charles Rees, Jeffrey David St. Denis, Emiliano Tamanini, Bernard Thomas Golding, Ian Robert Hardcastle, Celine Florence Cano, Duncan Charles Miller, Martin Edward Mäntylä Noble, Roger John Griffin, James Daniel Osborne, Joanne Peach, Arwel Lewis, Kim Louise Hirst, Benjamin Paul Whittaker, David Wyn Watson, Dale Robert Mitchell
  • Publication number: 20190055215
    Abstract: The invention provides a compound of formula (I): or tautomer or a solvate or a pharmaceutically acceptable salt thereof, wherein the various substituents are as defined in the claims. Also provided are pharmaceutical compositions containing the compounds of formula (I), processes for making the compounds and the medical uses of the compounds.
    Type: Application
    Filed: September 29, 2016
    Publication date: February 21, 2019
    Applicants: ASTEX THERAPEUTICS LIMITED, CANCER RESEARCH TECHNOLOGY LIMITED
    Inventors: Gianni CHESSARI, Steven HOWARD, Ildiko Maria BUCK, Benjamin David CONS, Christopher Norbert JOHNSON, Rhian Sara HOLVEY, David Charles REES, Jeffrey David ST.DENIS, Emiliano TAMANINI, Bernard Thomas GOLDING, Ian Robert HARDCASTLE, Celine Florence CANO, Duncan Charles MILLER, Martin Edward Mäntylä NOBLE, Roger John GRIFFIN, James Daniel OSBORNE, Joanne PEACH, Arwel LEWIS, Kim Louise HIRST, Benjamin Paul WHITTAKER, David Wyn WATSON, Dale Robert MITCHELL
  • Publication number: 20190016708
    Abstract: The invention provides a compound of formula (I): or tautomer or a solvate or a pharmaceutically acceptable salt thereof, wherein the various substituents are as defined in the claims. Also provided are pharmaceutical compositions containing the compounds of formula (I), processes for making the compounds and the medical uses of the compounds.
    Type: Application
    Filed: September 29, 2016
    Publication date: January 17, 2019
    Applicants: ASTEX THERAPEUTICS LIMITED, CANCER RESEARCH TECHNOLOGY LIMITED
    Inventors: Gianni CHESSARI, Steven HOWARD, IIdiko Maria BUCK, Benjamin David CONS, Christopher Norbert JOHNSON, Rhian Sara HOLVEY, David Charles REES, Jeffrey David ST. DENIS, Emiliano TAMANINI, Bernard Thomas GOLDING, Ian Robert HARDCASTLE, Celine Florence CANO, Duncan Charles MILLER, Sarah CULLY, Martin Edward Mäntylä NOBLE, Roger John GRIFFIN, James Daniel OSBORNE, Joanne PEACH, Arwel LEWIS, Kim Louise HIRST, Benjamin Paul WHITTAKER, David Wyn WATSON, Dale Robert MITCHELL
  • Patent number: 8481544
    Abstract: Compounds of formula (I) have antibacterial activity: wherein: m is 0 or 1; Q is hydrogen or cyclopropyl; Alk is an optionally substituted, divalent C1-C6 alkylene, alkenylene or alkynylene radical which may contain an ether (—O—), thioether (—S—) or amino (—NR)— link, wherein R is hydrogen, —CN or C1-C3 alkyl; X is —C(?O)NR6—, —S(O)NR6—, —C(?O)O— or —S(?O)O— wherein R6 is hydrogen, optionally substituted C1-C6 alkyl, C2-C6 alkenyl, C2-C6 alkynyl, -Cyc, or —(C1-C3 alkyl)-Cyc wherein Cyc is optionally substituted monocyclic carbocyclic or heterocyclic having 3-7 ring atoms; Z is N; R2 and R3 are as defined in the description.
    Type: Grant
    Filed: June 7, 2011
    Date of Patent: July 9, 2013
    Assignee: Biota Europe Limited
    Inventors: David John Haydon, Lloyd George Czaplewski, Nicholas John Palmer, Dale Robert Mitchell, John Frederick Atherall, Christopher Richard Steele, Tamara Ladduwahetty
  • Patent number: 8394991
    Abstract: The present invention relates to 3-substituted phenylamidines of the general formula (I), to a process for their preparation, to the use of the amidines according to the invention for controlling unwanted microorganisms and also to a composition for this purpose, comprising the phenoxyamidines according to the invention. Furthermore, the invention relates to a method for controlling unwanted microorganisms by applying the compounds according to the invention to the microorganisms and/or their habitat.
    Type: Grant
    Filed: January 26, 2012
    Date of Patent: March 12, 2013
    Assignee: Bayer Cropscience AG
    Inventors: Klaus Kunz, Ralf Dunkel, Joerg Nico Greul, Kerstin Ilg, Birgit Kuhn, Wahed Ahmed Moradi, Thomas Seitz, Darren James Mansfield, Oliver Guth, Peter Dahmen, Ulrike Wachendorff-Neumann, Arnd Voerste, Dale Robert Mitchell, Tom Hough, Jean-Pierre Vors
  • Patent number: 8389516
    Abstract: Compounds of formula (I) have antibacterial activity: wherein: m is 0 or 1; Q is hydrogen or cyclopropyl; Alk is an optionally substituted, divalent C1-C6 alkylene, alkenylene or alkynylene radical which may contain an ether (—O—), thioether (—S—) or amino (—NR)— link, wherein R is hydrogen, —CN or C1-C3 alkyl; X is —C(?O)NR6—, —S(O)NR6—, —C(?O)O— or —S(?O)O— wherein R6 is hydrogen, optionally substituted C1-C6 alkyl, C2-C6 alkenyl, C2-C6 alkynyl, -Cyc, or —(C1-C3 alkyl)-Cyc wherein Cyc is optionally substituted monocyclic carbocyclic or heterocyclic having 3-7 ring atoms; Z is N or CH, or CF; R2 and R3 are as defined in the description.
    Type: Grant
    Filed: June 7, 2011
    Date of Patent: March 5, 2013
    Assignee: Biota Europe Limited
    Inventors: David John Haydon, Lloyd George Czaplewski, Nicholas John Palmer, Dale Robert Mitchell, John Frederick Atherall, Christopher Richard Steele, Tamara Ladduwahetty
  • Patent number: 8362018
    Abstract: Novel imidazopyrazine compounds are disclosed that have a formula represented by the following: The compounds may be prepared as pharmaceutical compositions, and may be used for the prevention and treatment of a viral infection, in particular a HCV, HRV, Sb and/or CVB in a patient in need thereof.
    Type: Grant
    Filed: August 20, 2008
    Date of Patent: January 29, 2013
    Assignee: Biofocus DPI, Ltd.
    Inventors: Angus MacLeod, Dale Robert Mitchell, Nicholas John Palmer, Michael Daniel Goldsmith, Clifford John Harris, Christophe Claude Parsy
  • Publication number: 20120122678
    Abstract: The present invention relates to 3-substituted phenylamidines of the general formula (I), to a process for their preparation, to the use of the amidines according to the invention for controlling unwanted microorganisms and also to a composition for this purpose, comprising the phenoxyamidines according to the invention. Furthermore, the invention relates to a method for controlling unwanted microorganisms by applying the compounds according to the invention to the microorganisms and/or their habitat.
    Type: Application
    Filed: January 26, 2012
    Publication date: May 17, 2012
    Applicant: BAYER CROPSCIENCE AG
    Inventors: Klaus KUNZ, Ralf Dunkel, Jörg Nico Greul, Kerstin Ilg, Birgit Kuhn, Wahed Ahmed Moradi, Thomas Seitz, Darren James Mansfield, Oliver Guth, Peter Dahmen, Ulrike Wachendorff-Neumann, Arnd Voerste, Dale Robert Mitchell, Tom Hough, Jean-Pierre Vors
  • Publication number: 20120004221
    Abstract: Compounds of formula (I) have antibacterial activity: wherein: m is 0 or 1; Q is hydrogen or cyclopropyl; Alk is an optionally substituted, divalent C1-C6 alkylene, alkenylene or alkynylene radical which may contain an ether (—O—), thioether (—S—) or amino (—NR)— link, wherein R is hydrogen, —CN or C1-C3 alkyl; X is —C(?O)NR6—, —S(O)NR6—, —C(?O)O— or —S(?O)O— wherein R6 is hydrogen, optionally substituted C1-C6 alkyl, C2-C6 alkenyl, C2-C6 alkynyl, -Cyc, or —(C1-C3 alkyl)-Cyc wherein Cyc is optionally substituted monocyclic carbocyclic or heterocyclic having 3-7 ring atoms; Z is N; R2 and R3 are as defined in the description.
    Type: Application
    Filed: June 7, 2011
    Publication date: January 5, 2012
    Applicant: Biota Europe Limited
    Inventors: David John Haydon, Lloyd George Czaplewski, Nicholas John Palmer, Dale Robert Mitchell, John Frederick Atherall, Christopher Richard Steele, Tamara Ladduwahetty
  • Publication number: 20110263590
    Abstract: Compounds of formula (I) have antibacterial activity: wherein: m is 0 or 1; Q is hydrogen or cyclopropyl; Alk is an optionally substituted, divalent C1-C6 alkylene, alkenylene or alkynylene radical which may contain an ether (—O—), thioether (—S—) or amino (—NR)— link, wherein R is hydrogen, —CN or C1-C3 alkyl; X is —C(?O)NR6—, —S(O)NR6—, —C(?O)O— or —S(?O)O— wherein R6 is hydrogen, optionally substituted C1-C6 alkyl, C2-C6 alkenyl, C2-C6 alkynyl, -Cyc, or —(C1-C3 alkyl)-Cyc wherein Cyc is optionally substituted monocyclic carbocyclic or heterocyclic having 3-7 ring atoms; Z is N or CH, or CF; R2 and R3 are as defined in the description.
    Type: Application
    Filed: June 7, 2011
    Publication date: October 27, 2011
    Applicant: Biota Europe Limited
    Inventors: David John Haydon, Lloyd George Czaplewski, Nicholas John Palmer, Dale Robert Mitchell, John Frederick Atherall, Christopher Richard Steele, Tamara Ladduwahetty
  • Patent number: 7977340
    Abstract: Compounds of formula (I) have antibacterial activity: wherein: m is 0 or 1; Q is hydrogen or cyclopropyl; AIk is an optionally substituted, divalent C1-C6 alkylene, alkenylene or alkynylene radical which may contain an ether (—O—), thioether (—S—) or amino (—NR)— link, wherein R is hydrogen, —CN or C1-C3 alkyl; X is —C(?O)NR6—, —S(O)NR6—, —C(?O)O— or —S(?O)O— wherein R6 is hydrogen, optionally substituted C1-C6 alkyl, C2-C6 alkenyl, C2-C6 alkynyl, -Cyc, or —(C1-C3 alkyl)-Cyc wherein Cyc is optionally substituted monocyclic carbocyclic or heterocyclic having 3-7 ring atoms; Z is N or CH, or CF; R2 and R3 are as defined in the description.
    Type: Grant
    Filed: June 21, 2007
    Date of Patent: July 12, 2011
    Assignee: Prolysis Ltd.
    Inventors: David John Haydon, Lloyd George Czaplewski, Nicholas John Palmer, Dale Robert Mitchell, John Frederick Atherall, Christopher Richard Steele, Tamara Ladduwahetty
  • Publication number: 20110166147
    Abstract: Novel imidazopyrazine compounds are disclosed that have a formula represented by the following: Formula (I). The compounds may be prepared as pharmaceutical compositions, and may be used for the prevention and treatment of a viral infection, in particular a HCV, HRV, Sb and/or CVB in a patient in need thereof.
    Type: Application
    Filed: August 20, 2008
    Publication date: July 7, 2011
    Inventors: Angus Macleod, Dale Robert Mitchell, Nicholas John Palmer, Michael Daniel Goldsmith, Clifford John Harris, Christophe Claude Parsy
  • Publication number: 20100113276
    Abstract: The use of N2-phenylamidines of formula (I) as herbicides is described. In this formula (I), R2, R3, R4, R5 and R6 are different radicals and A is a bond or various 1- or polyatomic bridging elements.
    Type: Application
    Filed: March 4, 2008
    Publication date: May 6, 2010
    Applicant: BAYER CROPSCIENCE AG
    Inventors: Birgit Kuhn, Harald Jakobi, Thomas Mueller, Joerg Tiebes, Heinz Kehne, Dirk Schmutzler, Martin Hills, Christopher Rosinger, Klaus Kunz, Mark Wilheim Drewes, Dieter Feucht, Thomas Seitz, Benoit Hartmann, Ralf Dunkel, Joerg Nico Greul, Oliver Guth, Kerstein Ilg, Darren James Mansfeld, Wahed Ahmed Moradi, Peter Dahmen, Ulrike Wachendorf-Neumann, Arnd Voerste, Dale Robert Mitchell, Jean-Pierre Andre Vors, Dale Robert Mitchell, Tom Hough