Patents by Inventor Thomas Martin Stevenson

Thomas Martin Stevenson 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: 20240101519
    Abstract: Disclosed are compounds of Formula 1, including all stereoisomers, N-oxides, and salts thereof, agricultural compositions containing them and their use as herbicides wherein R1, R2, R3, R4, R14, and X are as defined in the disclosure, A is selected from and R12, R13, n, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, Y and Y1 are as defined in the disclosure.
    Type: Application
    Filed: December 20, 2021
    Publication date: March 28, 2024
    Inventors: Stephen Frederick MCCANN, Thomas Paul SELBY, Thomas Martin STEVENSON, Alison Mary LEVENS
  • Publication number: 20230278972
    Abstract: Disclosed are compounds of Formula 1, all stereoisomers, N-oxides, and salts thereof, wherein G is CONR5R6 or selected from and R1 through R18, Rf and G are as defined in the Disclosure. Also disclosed are compositions containing the compounds of Formula 1 and methods for controlling undesired vegetation comprising contacting the undesired vegetation or its environment with an effective amount of a compound or a composition of the invention.
    Type: Application
    Filed: July 28, 2021
    Publication date: September 7, 2023
    Inventors: Thomas Paul SELBY, Thomas Martin STEVENSON, Alison Mary LEVENS, Michael HOLMES, Wandi ZHANG
  • Publication number: 20230150945
    Abstract: The present disclosure provides atropisomers of pyridazinone derivatives of a compound of Formula 1a and Formula 1b, N-oxides or salts thereof, wherein R1, R2, R3, R4 and R5 are defined in the disclosure. Also disclosed is a composition containing a compound of Formula 1a or 1b, and methods for controlling undesired vegetation comprising contacting the undesired vegetation or its environment with an effective amount of a compound of Formula 1a or 1b or a composition thereof. Also disclosed are methods for preparing a compound of Formula I.
    Type: Application
    Filed: March 31, 2021
    Publication date: May 18, 2023
    Inventors: Thomas Paul SELBY, John Robbins DEBERGH, Thomas Martin STEVENSON, Stephen Frederick MCCANN
  • Patent number: 11634421
    Abstract: Disclosed are compounds of Formula 1, including all N-oxides, stereoisomers, and salts thereof, wherein Q1, Q2, R1, R2, Y, J and R7 are as defined in the disclosure. Also disclosed are compositions containing the compounds of Formula 1 and methods for controlling undesired vegetation comprising contacting the undesired vegetation or its environment with an effective amount of a compound or a composition of the invention.
    Type: Grant
    Filed: October 1, 2019
    Date of Patent: April 25, 2023
    Assignee: FMC Corporation
    Inventors: Matthew James Campbell, Thomas Martin Stevenson, Andrew Duncan Satterfield
  • Publication number: 20230117403
    Abstract: Disclosed are compounds of Formula 1, including all geometric and stereoisomers, N-oxides, and salts thereof, Wherein R1, A, R2, R4, R5 and Q are as defined in the disclosure. Also disclosed are compositions containing the compounds of Formula 1 and methods for controlling an invertebrate pest comprising contacting the invertebrate pest or its environment with a biologically effective amount of a compound or a composition of the disclosure.
    Type: Application
    Filed: January 29, 2021
    Publication date: April 20, 2023
    Inventors: Omar Khaled AHMAD, Twyla A. BRIDDELL, Dominic Ming-Tak CHAN, Yuzhong CHEN, Jason Charles HAMM, Moumita KAR, Thomas Francis PAHUTSKI, JR., Thomas Martin STEVENSON, Ming XU, Rachel SLACK
  • Patent number: 11485712
    Abstract: Disclosed is a compound of Formula I, including N-oxides, and salts thereof, wherein R1, R2 and R3 are defined as set forth in the disclosure. Also disclosed is a process for preparing a compound of Formula I. A compound of Formula I can also be used as a synthetic intermediate to prepare pyridazinone-based herbicides.
    Type: Grant
    Filed: September 26, 2019
    Date of Patent: November 1, 2022
    Assignee: FMC Corporation
    Inventors: Stephen Frederick McCann, Thomas Martin Stevenson
  • Patent number: 11447476
    Abstract: Disclosed are compounds of Formula 1, including all stereoisomers, N-oxides, and salts thereof, wherein Q, Z, R2, R3 and m are as defined in the disclosure. Also disclosed are compositions containing the compounds of Formula 1 and methods for controlling undesired vegetation comprising contacting the undesired vegetation or its environment with an effective amount of a compound or a composition of the invention.
    Type: Grant
    Filed: May 13, 2020
    Date of Patent: September 20, 2022
    Assignee: FMC Corporation
    Inventors: Nicholas Ryan Deprez, Ravisekhara Pochimireddy Reddy, Paula Louise Sharpe, Thomas Martin Stevenson
  • Publication number: 20220281848
    Abstract: Disclosed are compounds of Formula 1, including all stereoisomers, N-oxides, and salts thereof, wherein Q is selected from the group consisting of and R1, R2, R3, Y, R4, R5, n, R6, W and R9 are disclosed herein. Also disclosed are compositions containing the compounds of Formula 1 and methods for controlling undesired vegetation comprising contacting the undesired vegetation or its environment with an effective amount of a compound or a composition of the invention.
    Type: Application
    Filed: May 22, 2020
    Publication date: September 8, 2022
    Inventors: James Alan Morris, Travis Chandler McMahon, Thomas Martin Stevenson, Matthew James Campbell, Sean Ng, Sally Elizabeth Russell
  • Publication number: 20220041560
    Abstract: Disclosed are compounds of Formula I and N-oxides or salts thereof, wherein R1 is C1-C4alkyl or C3-C6cycloalkyl; R2 is H, Cl, Br or I; R3 is Cl or OR4; R4 is H or C1-C4 alkyl; R5 is H, F, Cl or CH3; and R6 is H or Cl. Also disclosed is a composition containing a compound of Formula I, and methods for controlling undesired vegetation comprising contacting the undesired vegetation or its environment with an effective amount of a compound of Formula I or a composition thereof. Also disclosed are methods for preparing a compound of Formula I.
    Type: Application
    Filed: September 26, 2019
    Publication date: February 10, 2022
    Inventors: Thomas Paul SELBY, Thomas Martin STEVENSON, Stephen Frederick MCCANN, Eric Allen MARSHALL, Yuzhong CHEN
  • Publication number: 20220033361
    Abstract: Disclosed is a compound of Formula I, including N-oxides, and salts thereof, wherein R1, R2 and R3 are defined as set forth in the disclosure. Also disclosed is a process for preparing a compound of Formula I. A compound of Formula I can also be used as a synthetic intermediate to prepare pyridazinone-based herbicides.
    Type: Application
    Filed: September 26, 2019
    Publication date: February 3, 2022
    Inventors: Stephen Frederick MCCANN, Thomas Martin STEVENSON
  • Patent number: 11178873
    Abstract: Disclosed are compounds of Formula (1), including all stereoisomers, N-oxides, and salts thereof, (Formula (1)) wherein G, J, Q1, R4, Y2, Q2, R5 and Y1 are as defined in the disclosure. Also disclosed are compositions containing the compounds of Formula (1) and methods for controlling undesired vegetation comprising contacting the undesired vegetation or its environment with an effective amount of a compound or a composition of the invention.
    Type: Grant
    Filed: July 15, 2016
    Date of Patent: November 23, 2021
    Assignee: FMC Corporation
    Inventors: Andrew Duncan Satterfield, Thomas Martin Stevenson
  • Patent number: 10913719
    Abstract: Disclosed is a process for preparing a compound of Formula 1, from a compound of Formula 2 wherein X, R1, R2, R3, R4, R5, n, R6, R7, G and W are as defined in the disclosure. Also disclosed are compounds of Formulae 2 and 4 wherein X, R1, R2, R3, R4, R5, n, R6, R7, G and W are as defined in the disclosure. Also disclosed is a process for preparing the compounds of Formulae 2 and 4.
    Type: Grant
    Filed: October 26, 2016
    Date of Patent: February 9, 2021
    Assignee: FMC Corporation
    Inventors: Thomas Paul Selby, Kanu Maganbhai Patel, Thomas Martin Stevenson
  • Publication number: 20200270238
    Abstract: Disclosed are compounds of Formula 1, including all stereoisomers, N-oxides, and salts thereof, wherein Q, Z, R2, R3 and m are as defined in the disclosure. Also disclosed are compositions containing the compounds of Formula 1 and methods for controlling undesired vegetation comprising contacting the undesired vegetation or its environment with an effective amount of a compound or a composition of the invention.
    Type: Application
    Filed: May 13, 2020
    Publication date: August 27, 2020
    Inventors: Nicholas Ryan DEPREZ, Ravisekhara Pochimireddy REDDY, Paula Louise SHARPE, Thomas Martin STEVENSON
  • Patent number: 10750743
    Abstract: Disclosed are compounds of Formula 1, including all stereoisomers, N-oxides, and salts thereof, agricultural compositions containing them and their use as herbicides wherein R1, R2, G and W are as defined in the disclosure, and A is selected from and X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, Y1, Y2, and Y4 are as defined in the disclosure.
    Type: Grant
    Filed: October 26, 2016
    Date of Patent: August 25, 2020
    Assignee: FMC Corporation
    Inventors: Thomas Martin Stevenson, Thomas Paul Selby, Kimberly Katherine Marcus
  • Patent number: 10654840
    Abstract: Disclosed are compounds of Formula 1, including all stereoisomers, N-oxides, and salts thereof, wherein Q, Z, R2, R3 and m are as defined in the disclosure. Also disclosed are compositions containing the compounds of Formula 1 and methods for controlling undesired vegetation comprising contacting the undesired vegetation or its environment with an effective amount of a compound or a composition of the invention.
    Type: Grant
    Filed: November 15, 2018
    Date of Patent: May 19, 2020
    Assignee: FMC Corporation
    Inventors: Nicholas Ryan Deprez, Ravisekhara Pochimireddy Reddy, Paula Louise Sharpe, Thomas Martin Stevenson
  • Patent number: 10653148
    Abstract: Disclosed are compounds of Formula (1), including all stereoisomers, N-oxides, and salts thereof, (Formula (1)) wherein G, J, Q1, R4, Y2, Q2, R5 and Y1 are as defined in the disclosure. Also disclosed are compositions containing the compounds of Formula (1) and methods for controlling undesired vegetation comprising contacting the undesired vegetation or its environment with an effective amount of a compound or a composition of the invention.
    Type: Grant
    Filed: July 15, 2016
    Date of Patent: May 19, 2020
    Assignee: FMC CORPORATION
    Inventors: Andrew Duncan Satterfield, Thomas Martin Stevenson
  • Patent number: 10597388
    Abstract: Disclosed are compounds of Formula 1, including all stereoisomers, N-oxides, and salts thereof, wherein X is O, S or NR5; or X is —C(R6)?C(R7)—, wherein the carbon atom bonded to R6 is also bonded to the carbon atom bonded to R4, and the carbon atom bonded to R7 is also bonded to the phenyl ring moiety in Formula 1; and R1, R2, R3, R4, R5, R6, R7, G and W are as defined in the disclosure. Also disclosed are compositions containing the compounds of Formula 1 and methods for controlling undesired vegetation comprising contacting the undesired vegetation or its environment with an effective amount of a compound or a composition of the invention.
    Type: Grant
    Filed: August 29, 2018
    Date of Patent: March 24, 2020
    Assignee: FMC Corporation
    Inventors: Thomas Paul Selby, Nicholas Ryan Deprez, Thomas Martin Stevenson, Andrew Edmund Taggi, John Robbins DeBergh
  • Patent number: 10582709
    Abstract: Disclosed are compounds of Formula 1, including all stereoisomers, N-oxides, and salts thereof, wherein R1, R2, R3, R4, R5, Q1, Q2, Y1, and Y2 are as defined in the disclosure. Also disclosed are compositions containing the compounds of Formula 1 and methods for controlling undesired vegetation comprising contacting the undesired vegetation or its environment with an effective amount of a compound or a composition of the invention.
    Type: Grant
    Filed: April 19, 2016
    Date of Patent: March 10, 2020
    Assignee: FMC Corporation
    Inventors: Thomas Martin Stevenson, Andrew Duncan Satterfield
  • Publication number: 20200031836
    Abstract: Disclosed are compounds of Formula 1, including all N-oxides, stereoisomers, and salts thereof, wherein Q1, Q2, R1, R2, Y, J and R7 are as defined in the disclosure. Also disclosed are compositions containing the compounds of Formula 1 and methods for controlling undesired vegetation comprising contacting the undesired vegetation or its environment with an effective amount of a compound or a composition of the invention.
    Type: Application
    Filed: October 1, 2019
    Publication date: January 30, 2020
    Inventors: MATTHEW JAMES CAMPBELL, THOMAS MARTIN STEVENSON, ANDREW DUNCAN SATTERFIELD
  • Patent number: 10485235
    Abstract: Disclosed are compounds of Formula 1, including all stereoisomers, N-oxides, and salts thereof, wherein A, R1, R2 and R3 are as defined in the disclosure. Also disclosed are compositions containing the compounds of Formula 1 and methods for controlling undesired vegetation comprising contacting the undesired vegetation or its environment with an effective amount of a compound or a composition of the invention.
    Type: Grant
    Filed: July 8, 2016
    Date of Patent: November 26, 2019
    Assignee: FMC Corporation
    Inventors: Thomas Martin Stevenson, Ravisekhara Pochimireddy Reddy