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).

  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • Patent number: 8828908
    Abstract: Bicyclic dione compounds of formula (I), and derivatives thereof, which are suitable for use as herbicides.
    Type: Grant
    Filed: May 27, 2008
    Date of Patent: September 9, 2014
    Assignee: Syngenta Limited
    Inventors: Christopher John Mathews, Matthew Brian Hotson, Alan John Dowling, James Nicholas Scutt, Mangala Govenkar, Lee Challinor
  • Patent number: 8741806
    Abstract: Compounds of formula (I) wherein the substituents are as defined in claim 1, are suitable for use as herbicides.
    Type: Grant
    Filed: July 17, 2009
    Date of Patent: June 3, 2014
    Assignee: Syngenta Limited
    Inventors: Christopher John Mathews, James Nicholas Scutt
  • Patent number: 8735322
    Abstract: Cyclohexanedione compounds, which are suitable for use as herbicides.
    Type: Grant
    Filed: September 23, 2009
    Date of Patent: May 27, 2014
    Assignee: Syngenta Limited
    Inventors: Christopher John Mathews, John Martin Clough, Kevin Beautement, Melloney Tyte, Louisa Robinson, Stephane AndréMarie Jeanmart
  • Patent number: 8680012
    Abstract: Pyrandione, thiopyrandione and cyclohexanetrione compounds, which are suitable for use as herbicides.
    Type: Grant
    Filed: December 12, 2007
    Date of Patent: March 25, 2014
    Assignee: Syngenta Crop Protection LLC
    Inventors: Christopher John Mathews, James Nicholas Scutt, Michel Muehlebach
  • Patent number: 8680339
    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: March 25, 2014
    Assignee: Syngenta Limited
    Inventors: Christopher John Mathews, John Finney, James Nicholas Scutt, Louisa Robinson, John Stephen Delaney
  • Patent number: 8623907
    Abstract: Pyrandione, thiopyrandione and cyclohexanetrione derivatives of formula (I), which are suitable for use as herbicides.
    Type: Grant
    Filed: June 4, 2009
    Date of Patent: January 7, 2014
    Assignee: Syngenta Participations, AG
    Inventors: James Nicholas Scutt, Christopher John Mathews, Michel Muehlebach
  • Publication number: 20140005389
    Abstract: Pyrandione, thiopyrandione and cyclohexanetrione compounds, which are suitable for use as herbicides.
    Type: Application
    Filed: August 30, 2013
    Publication date: January 2, 2014
    Applicant: SYNGENTA CROP PROTECTION LLC
    Inventors: Christopher John MATHEWS, James Nicholas SCUTT, Michel MUEHLEBACH
  • Patent number: 8598365
    Abstract: Bicyclic dione compounds, and derivatives thereof, which are suitable for use as herbicides.
    Type: Grant
    Filed: July 30, 2008
    Date of Patent: December 3, 2013
    Assignee: Syngenta Limited
    Inventors: Stephane André Marie Jeanmart, Christopher John Mathews, John Benjamin Taylor, Steve Smith
  • Publication number: 20130252811
    Abstract: Herbicidal composition comprising a pyrandione herbicide and a co-herbicide The present invention relates to a herbicidal composition comprising as active ingredient a mixture of a) a herbicidally effective amount of a compound of formula (I) wherein: R1 is methyl, ethyl, n-propyl, halogen, difluoromethoxy, trifluoromethoxy or trifluoromethyl, R2 is phenyl or phenyl substituted by C1-C4 alkyl, C1-C4 haloalkyl, C1-C4 alkoxy, C1-C4 haloalkoxy or halogen, R4, R5, R6 and R7, independently of each other, are hydrogen or C1-C4 alkyl, Y is O, and G is hydrogen, an alkali metal, alkaline earth metal, sulfonium, or ammonium, or G is a latentiating group which is C(O)—Ra or C(0)-O—Rb; and b) a co-herbicide selected from the group consisting of fenoxasulfone, ipfencarbazone, propyrisulfuron, and N-[2-[(4,6-dimethoxy-1,3,5-triazin-2-yl)carbonyl]-6-fluorophenyl]-1,1-difluoro-N-methylmethanesulfonamide.
    Type: Application
    Filed: December 10, 2010
    Publication date: September 26, 2013
    Applicant: SYNGENTA LIMITED
    Inventors: Jane Elisabeth Corbin, Christopher John Mathews, Glynn Mitchell, Claudio Screpanti
  • Patent number: 8541594
    Abstract: Bicyclic dione compounds, and derivatives thereof, which are suitable for use as herbicides.
    Type: Grant
    Filed: July 30, 2008
    Date of Patent: September 24, 2013
    Assignee: Syngenta Limited
    Inventors: Stephane André Marie Jeanmart, Christopher John Mathews, John Benjamin Taylor, Steve Smith
  • Patent number: 8536351
    Abstract: Cyclohexanedione compounds of Formula (I) wherein R1 is methyl, ethyl, n-propyl, iso-propyl, cyclopropyl, halomethyl, haloethyl, halogen, vinyl, ethynyl, methoxy, ethoxy, halomethoxy or haloethoxy, R2 and R3 are, independently hydrogen, halogen, C1-C6alkyl, C1-C6haloalkyl, C1-C6alkoxy, C1-C6haloalkoxy, C2-C6alkenyl, C2-C6haloalkenyl, C2-C6alkynyl, C3-C6alkenyloxy, C3-C6haloalkenyloxy, C3-C6alkynyloxy, C3-C6cycloalkyl, C1-C6alkylthio, C1-C6alkylsulfinyl, C1-C6alkylsulfonyl, C1-C6alkylsulfonyloxy, C1-C6haloalkylsulfonyloxy, cyano, nitro, phenyl, phenyl substituted by C1-C4alkyl, C1-C3Cahaloalkyl, C1-C3alkoxy, C1-C3haloalkoxy, cyano, nitro, halogen, C1-C3alkylthio, C1-C3alkylsulfinyl or C1-C3alkylsulfonyl, or heteroaryl or heteroaryl substituted by C1-C3Calkyl, d.
    Type: Grant
    Filed: March 7, 2008
    Date of Patent: September 17, 2013
    Assignee: Syngenta Crop Protection LLC
    Inventors: Christopher John Mathews, John Finney, Louisa Robinson, Melloney Tyte, Michel Muehlebach, Jean Wenger