Patents by Inventor Christopher John Mathews

Christopher John Mathews 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).

  • Herbicidal compounds
    Patent number: 12202821
    Abstract: Compounds of the formula (I) wherein the substituents are as defined in claim 1, useful as a pesticides, especially as herbicides.
    Type: Grant
    Filed: May 21, 2020
    Date of Patent: January 21, 2025
    Assignee: SYNGENTA CROP PROTECTION AG
    Inventors: William Guy Whittingham, John Williams, Christopher John Mathews
  • Herbicidal compositions
    Patent number: 12162840
    Abstract: The present invention relates to the use of herbicidal substituted phenyl-pyridazinediones and substituted phenyl-pyridazinone derivatives of formula (I), in combination with herbicidal pyrrolidinone derivatives of the formula (II) to control undesirable plant growth, in controlling weeds, including broad-leaved and/or narrow-leaved, monocotyledonous and/or dicotyledonous weeds, in crops of useful plants.
    Type: Grant
    Filed: November 28, 2019
    Date of Patent: December 10, 2024
    Assignee: SYNGENTA CROP PROTECTION AG
    Inventors: Kenneth Bruce Ling, Christopher John Mathews, Stephen Edward Shanahan
  • Herbicidal compounds
    Patent number: 12060331
    Abstract: The present invention relates to herbicidal substituted phenyl-pyridazine-diones and substituted phenyl-pyridazinone derivatives of formula (I), as well as to processes and intermediates used for the preparation of such derivatives. The invention further extends to herbicidal compositions comprising such derivatives, as well as to the use of such compounds and compositions in controlling undesirable plant growth: in particular the use in controlling weeds, such as broad-leaved dicotyledonous weeds, in crops of useful plants.
    Type: Grant
    Filed: January 4, 2019
    Date of Patent: August 13, 2024
    Assignee: SYNGENTA PARTICIPATIONS AG
    Inventors: Kenneth Bruce Ling, Christopher John Mathews, Timothy Jeremiah Cornelius O'Riordan, Stephen Edward Shanahan, Joseph Andrew Tate, Christiana Kitsiou, Peter Timothy Seden
  • Substituted cyclic amides and their use as herbicides
    Patent number: 11787765
    Abstract: Disclosed are compounds of Formula 1, N-oxides of the compounds and salts of the compounds and N-oxides: wherein R1, R2, R3, R4, R5, R6, Q1, Q2, J, Y1, and Y2 are as defined in the disclosure. Also disclosed are compositions containing the compounds, N-oxides and salts, and methods for controlling undesired vegetation comprising contacting the undesired vegetation or its environment with an effective amount of such a compound, N-oxide, salt or composition.
    Type: Grant
    Filed: November 1, 2021
    Date of Patent: October 17, 2023
    Assignee: FMC Corporation
    Inventors: Andrew Duncan Satterfield, Matthew James Campbell, James Francis Bereznak, William Guy Whittingham, Glynn Mitchell, Christopher John Mathews, James Nicholas Scutt, James Alan Morris, Jonathan Wesley Paul Dallimore
  • Substituted cyclic amides and their use as herbicides
    Patent number: 11180453
    Abstract: Disclosed are compounds of Formula 1, N-oxides of the compounds and salts of the compounds and N-oxides: wherein R1, R2, R3, R4, R5, R6, Q1, Q2, J, Y1, and Y2 are as defined in the disclosure. Also disclosed are compositions containing the compounds, N-oxides and salts, and methods for controlling undesired vegetation comprising contacting the undesired vegetation or its environment with an effective amount of such a compound, N-oxide, salt or composition.
    Type: Grant
    Filed: May 15, 2020
    Date of Patent: November 23, 2021
    Assignee: FMC Corporation
    Inventors: Andrew Duncan Satterfield, Matthew James Campbell, James Francis Bereznak, William Guy Whittingham, Glynn Mitchell, Christopher John Mathews, James Nicholas Scutt, James Alan Morris, Jonathan Wesley Paul Dallimore
  • Substituted cyclic amides and their use as herbicides
    Patent number: 10654804
    Abstract: Disclosed are compounds of Formula 1, N-oxides of the compounds and salts of the compounds and N-oxides: wherein R1, R2, R3, R4, R5, R6, Q1, Q2, J, Y1, and Y2 are as defined in the disclosure. Also disclosed are compositions containing the compounds, N-oxides and salts, and methods for controlling undesired vegetation comprising contacting the undesired vegetation or its environment with an effective amount of such a compound, N-oxide, salt or composition.
    Type: Grant
    Filed: June 1, 2016
    Date of Patent: May 19, 2020
    Assignee: FMC Corporation
    Inventors: Andrew Duncan Satterfield, Matthew James Campbell, James Francis Bereznak, William Guy Whittingham, Glynn Mitchell, Christopher John Mathews, James Nicholas Scutt, James Alan Morris, Jonathan Wesley Paul Dallimore, Katharine Mary Ingram, Timothy Robert Desson, Kenneth Ling
  • Herbicidal compounds
    Patent number: 10301295
    Abstract: The present invention relates to a compound of formula (I) wherein: wherein R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11 and G are as defined herein; and wherein the compound of formula (I) is optionally present as an agrochemically acceptable salt thereof. These compounds are thought to be suitable for use as herbicides. The invention therefore also relates to a method of controlling weeds, especially grassy monocotyledonous weeds, in crops of useful plants, comprising applying a compound of formula (I), or a herbicidal composition comprising such a compound, to the plants or to the locus thereof.
    Type: Grant
    Filed: October 13, 2015
    Date of Patent: May 28, 2019
    Assignee: SYNGENTA PARTICIPATIONS AG
    Inventors: Shuji Hachisu, Alan Joseph Hennessy, Jeffrey Steven Wailes, Nigel James Willetts, Christopher John Mathews, Janice Black, Suzanna Jane Dale
  • SUBSTITUTED CYCLIC AMIDES AND THEIR USE AS HERBICIDES
    Publication number: 20180099935
    Abstract: Disclosed are compounds of Formula 1, N-oxides of the compounds and salts of the compounds and N-oxides: wherein R1, R2, R3, R4, R5, R6, Q1, Q2, J, Y1, and Y2 are as defined in the disclosure. Also disclosed are compositions containing the compounds, N-oxides and salts, and methods for controlling undesired vegetation comprising contacting the undesired vegetation or its environment with an effective amount of such a compound, N-oxide, salt or composition.
    Type: Application
    Filed: June 1, 2016
    Publication date: April 12, 2018
    Inventors: Andrew Duncan Satterfield, Matthew James Campbell, James Francis Bereznak, William Guy Whittingham, Glynn Mitchell, Christopher John Mathews, James Nicholas Scutt, James Alan Morris, Jonathan Wesley Paul Dallimore, Katharine Mary Ingram, Timothy Robert Desson, Kenneth Ling
  • Herbicidally active cyclic diones and derivatives thereof, processes for their preparation, compositions, and methods of controlling weeds
    Patent number: 9102642
    Abstract: Compounds of Formula (I), wherein the substituents are as defined in claim 1, are suitable for use as herbicides.
    Type: Grant
    Filed: January 25, 2010
    Date of Patent: August 11, 2015
    Assignee: Syngenta Limited
    Inventors: Christopher John Mathews, John Finney, James Nicholas Scutt, Louisa Robinson, John Stephen Delaney
  • 5-heterocyclylalkyl-3-hydroxy-2-phenylcyclopent-2-enones as herbicides
    Patent number: 9096560
    Abstract: Compounds of formula (I), wherein the substituents are as defined in claim 1, are suitable for use as herbicides.
    Type: Grant
    Filed: July 1, 2009
    Date of Patent: August 4, 2015
    Assignee: Syngenta Limited
    Inventors: Stephane André Marie Jeanmart, Russell Colin Viner, John Benjamin Taylor, William Guy Whittingham, Jeffrey Steven Wailes, Sarah Margaret Targett, Christopher John Mathews, Mangala Govenkar, Matthew Robert Cordingley, Claire Janet Russell, Melloney Tyte
  • Herbicides
    Patent number: 9051300
    Abstract: The invention relates to a compound of formula (I), which is suitable for use as a herbicide wherein G is hydrogen or an agriculturally acceptable metal, sulfonium, ammonium or latentiating group; Q is a unsubstituted or substituted C3-C8 saturated or mono-unsaturated heterocyclyl containing at least one heteroatom selected from O, N and S, or Q is heteroaryl or substituted heteroaryl; m is 1, 2 or 3; and Het is an optionally substituted monocyclic or bicyclic heteroaromatic ring; and wherein the compound is optionally an agronomically acceptable salt thereof.
    Type: Grant
    Filed: July 29, 2010
    Date of Patent: June 9, 2015
    Assignee: Syngenta Limited
    Inventors: Stephane André Marie Jeanmart, Adrian Longstaff, Christopher John Mathews, Claire Janet Russell, Russell Colin Viner, Frances Kathryn Wood
  • Pyridazinone herbicidal compounds
    Patent number: 9049864
    Abstract: The present invention relates to compounds of Formula (I), or an agronomically acceptable salt of said compounds wherein X1, R1, R2, R3, R5, G and n are as defined herein. The invention further relates to herbicidal compositions which comprise a compound of Formula (I), and to their use for controlling weeds, in particular in crops of useful plants.
    Type: Grant
    Filed: April 12, 2013
    Date of Patent: June 9, 2015
    Assignee: Syngenta Limited
    Inventors: Paul Burton, Anthony Kozakiewicz, James Morris, Christopher John Mathews, Stephen Shanahan
  • Herbicidal pyrandione, thiopyrandione, and cyclohexanetrione derivatives
    Patent number: 9006429
    Abstract: Pyrandione, thiopyrandione and cyclohexanetrione compounds, which are suitable for use as herbicides.
    Type: Grant
    Filed: August 30, 2013
    Date of Patent: April 14, 2015
    Assignee: Syngenta Crop Protection, LLC
    Inventors: Christopher John Mathews, James Nicholas Scutt, Michel Muehlebach
  • Herbicides
    Patent number: 8956999
    Abstract: Pyrandione, thiopyrandione and cyclohexanetrione compounds of formula (I), which are suitable for use as herbicides.
    Type: Grant
    Filed: June 26, 2008
    Date of Patent: February 17, 2015
    Assignees: Syngenta Limited, Syngenta Crop Protection LLC
    Inventors: Stephane André Marie Jeanmart, Christopher John Mathews, John Benjamin Taylor, Mangala Govenkar, Stephen Christopher Smith
  • PYRIDAZINONE HERBICIDAL COMPOUNDS
    Publication number: 20150031540
    Abstract: The present invention relates to compounds of Formula (I), or an agronomically acceptable salt of said compounds wherein X1, R1, R2, R3, R5, G and n are as defined herein. The invention further relates to herbicidal compositions which comprise a compound of Formula (I), and to their use for controlling weeds, in particular in crops of useful plants.
    Type: Application
    Filed: April 12, 2013
    Publication date: January 29, 2015
    Applicant: SYNGENTA LIMITED
    Inventors: Paul Burton, Anthony Kozakiewicz, James Morris, Christopher John Mathews, Stephen Shanahan
  • Herbicides
    Patent number: 8940913
    Abstract: Compounds of formula (I), wherein the substituents are as defined in claim 1, are suitable for use as herbicides.
    Type: Grant
    Filed: August 7, 2008
    Date of Patent: January 27, 2015
    Assignee: Syngenta Crop Protection, LLC
    Inventors: Melloney Tyte, Stephane André Marie Jeanmart, Christopher John Mathews, Louisa Robinson
  • NOVEL HERBICIDES
    Publication number: 20140378305
    Abstract: Compounds of formula wherein the substituents are as defined in claim 1, and related compositions, methods of use and processes of preparation.
    Type: Application
    Filed: September 5, 2014
    Publication date: December 25, 2014
    Applicant: SYNGENTA LIMITED
    Inventors: Christopher John Mathews, John Finney, James Nicholas Scutt, Louisa Robinson, John Stephen Delaney
  • Herbicidally active cyclopentanediones and derivatives thereof, and their use in controlling weeds
    Patent number: 8895474
    Abstract: Compounds of Formula (I), wherein the substituents are as defined in claim 1, are suitable for use as herbicides.
    Type: Grant
    Filed: January 18, 2010
    Date of Patent: November 25, 2014
    Assignee: Syngenta Limited
    Inventors: Christopher John Mathews, John Finney, James Nicholas Scutt, Louisa Robinson, John Stephen Delaney
  • 4-phenylpyrane-3,5-diones, 4-phenylthiopyrane-3,5-diones and 2-phenylcyclohexane-1,3,5-triones as herbicides
    Patent number: 8895761
    Abstract: Pyrandione, thiopyrandione and cyclohexanetrione compounds, which are suitable for use as herbicides.
    Type: Grant
    Filed: December 11, 2008
    Date of Patent: November 25, 2014
    Assignees: Syngenta Limited, Syngenta Crop Protection, LLC
    Inventors: Michel Muehlebach, Christopher John Mathews, James Nicholas Scutt, Stephane Andre Marie Jeanmart, Mangala Govenkar
  • Herbicidally active cyclic diones and derivatives thereof, processes for their preparation, compositions, and method of controlling weeds
    Patent number: 8865623
    Abstract: Compounds of formula (I), wherein the substituents are as defined in claim 1, are suitable for use as herbicides.
    Type: Grant
    Filed: January 6, 2010
    Date of Patent: October 21, 2014
    Assignee: Syngenta Limited
    Inventors: Christopher John Mathews, John Finney, James Nicholas Scutt, Louisa Robinson, John Stephen Delaney