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: 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: 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: 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: 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
  • 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
  • Patent number: 8530388
    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: September 10, 2013
    Assignee: Syngenta Limited
    Inventors: William Guy Whittingham, Christopher John Mathews, Jeffrey Steven Wailes, Stephane André Marie Jeansmart, Louisa Robinson
  • Patent number: 8530667
    Abstract: Compounds of formula (I) wherein the substituents are as defined in claim 1, are suitable for use as herbicides.
    Type: Grant
    Filed: September 1, 2008
    Date of Patent: September 10, 2013
    Assignee: Syngenta Limited
    Inventors: Stephane André Marie Jeanmart, John Benjamin Taylor, Melloney Tyte, Christopher John Mathews, Stephen Christopher Smith
  • Publication number: 20130137573
    Abstract: The resent invention relates to a method of controlling weeds in crops of rice, which comprises applying compound A-13, whose structure is, to the plants or to the locus thereof; a method of controlling Echinochloa weeds and/or Leptochloa weeds in crops of useful plants, which comprises applying compound A-13 to the plants or to the locus thereof; and a herbicidal composition containing compound A-13.
    Type: Application
    Filed: December 10, 2010
    Publication date: May 30, 2013
    Applicant: SYNGENTA LIMITED
    Inventors: Richard Chi Shing Chung, Jane Elisabeth Corbin, Christopher John Mathews, Glynn Mitchell, Catherine Julia Piper, Claudio Screpanti, James Nicholas Scutt
  • Publication number: 20130053385
    Abstract: The use of a compound of formula I wherein the substituents are as defined in claim 1, or compositions containing them in controlling insects, acarines, nematodes or molluscs.
    Type: Application
    Filed: December 7, 2010
    Publication date: February 28, 2013
    Applicants: SYNGENTA LIMITED, SYNGENTA CROP PROTECTION LLC
    Inventors: Stephane Andre Marie Jeanmart, Russell Viner, John Benjamin Taylor, William Guy Whittingham, Jeffrey Steven Wailes, Sarah Margaret Targett, Christopher John Mathews, Michel Muehlebach
  • Patent number: 8309739
    Abstract: The use of a compound of formula I wherein X is (i), (ii) or (iii) Y is O, S(O)m, NR3, CR5R6, CR5R6—CR7R8, O—CR7R8, S(O)m—CR7R8, NR3—CR7R8, CR5R6—O, CR5R6—S(O)m, CR5R6—NR3, SO2—NR3, NR3—SO2, NR3—O or O—NR3; m is 0, 1, or 2; the ring (T) is a 5- or 6-membered aromatic or heteroaromatic ring; R1 to R10 are specified organic groups and n and is 0, 1, 2, 3 or 4; or salts or N-oxides thereof or compositions containing them in controlling insects, acarines, nematodes or molluscs. Novel compounds are also provided.
    Type: Grant
    Filed: May 11, 2011
    Date of Patent: November 13, 2012
    Assignee: Syngenta Limited
    Inventors: Anthony Cornelius O'Sullivan, Juergen Harry Schaetzer, Christoph Luethy, Allison Clare Elliott, Christopher John Mathews
  • Publication number: 20120202691
    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: Application
    Filed: July 29, 2010
    Publication date: August 9, 2012
    Applicant: SYNGENTA CROP PROTECTION LLC
    Inventors: Stephane André Marie Jeanmart, Adrian Longstaff, Christopher John Mathews, Claire Janet Russel, Russell Colin Viner, Frances Kathryn Wood
  • Publication number: 20120190545
    Abstract: Compounds of formula (I) wherein the substituents are as defined in claim 1, are suitable for use as herbicides.
    Type: Application
    Filed: July 17, 2009
    Publication date: July 26, 2012
    Applicant: SYNGENTA CROP PROTECTION LLC
    Inventors: Christopher John Mathews, James Nicholas Scutt
  • Publication number: 20120142529
    Abstract: Compounds of formula (I), wherein the substituents are as defined in claim 1, are suitable for use as herbicides.
    Type: Application
    Filed: August 7, 2008
    Publication date: June 7, 2012
    Applicant: SYNGENTA CROP PROTECTION, INC.
    Inventors: Melloney Tyte, Stephane André Marie Jeanmart, Christopher John Mathews, Louisa Robinson
  • Publication number: 20120094832
    Abstract: Compounds of formula (I) wherein the substituents are as defined in claim 1, are suitable for use as herbicides.
    Type: Application
    Filed: August 6, 2008
    Publication date: April 19, 2012
    Applicant: SYNGENTA LIMITED
    Inventors: Melloney Tyte, Christopher John Mathews, Gavin John Hall, William Guy Whittingham, Jeffrey Steven Wailes, James Nicholas Scutt, Stephane André Marie Jeanmart, Russell Viner
  • Publication number: 20120065066
    Abstract: Compounds of formula (I), wherein the substituents are as defined in claim 1, are suitable for use as herbicides.
    Type: Application
    Filed: May 16, 2009
    Publication date: March 15, 2012
    Applicant: SYNGENTA CROP PROTECTION LLC
    Inventors: Christopher John Mathews, Louisa Robinson, Stephane Andre Marie Jeanmart