Patents by Inventor Nicholas Phillip Mulholland

Nicholas Phillip Mulholland 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: 10194660
    Abstract: The present invention relates to compounds of Formula (I), or an agronomically acceptable salt of said compounds wherein A1a, A1b, R1, R2, R3 and R4 and R5 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: June 10, 2016
    Date of Patent: February 5, 2019
    Assignee: Syngenta Participations AG
    Inventors: Glynn Mitchell, Nicholas Phillip Mulholland, Yunas Bhonoah
  • Publication number: 20180177190
    Abstract: The present invention relates to compounds of Formula (I), or an agronomically acceptable salt of said compounds wherein A1a, A1b, R1, R2, R3 and R4 and R5 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: June 10, 2016
    Publication date: June 28, 2018
    Applicant: Syngenta Participations AG
    Inventors: Glynn MITCHELL, Nicholas Phillip MULHOLLAND, Yunas BHONOAH
  • Patent number: 9980486
    Abstract: The present invention relates to compounds of formula (I), or an agronomically acceptable salt of said compounds wherein A1a, A1b, R1, R2, R3, R4, R5 and R6 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: September 11, 2015
    Date of Patent: May 29, 2018
    Assignee: Syngenta Participations AG
    Inventors: Glynn Mitchell, Gordon Richard Munns, Matthew Carl Plane, Nicholas Phillip Mulholland
  • Publication number: 20170251670
    Abstract: The present invention relates to compounds of formula (I), or an agronomically acceptable salt of said compounds wherein A1a, A1b, R1, R2, R3, R4, R5 and R6 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: September 11, 2015
    Publication date: September 7, 2017
    Applicant: Syngenta Participations AG
    Inventors: Glynn MITCHELL, Gordon Richard MUNNS, Matthew Carl PLANE, Nicholas Phillip MULHOLLAND
  • Patent number: 9701662
    Abstract: The present invention relates to compounds of Formula (I), or an agronomically acceptable salt of said compounds wherein A1, A2, R1, R2, R3 and R4 are as defined herein. The invention further relates to herbicidal compositions which comprise a compound of Formula (I), to their use for controlling weeds, in particular in crops of useful plants, and to intermediates used to synthesize said compounds.
    Type: Grant
    Filed: February 26, 2015
    Date of Patent: July 11, 2017
    Assignee: Syngenta Participations AG
    Inventors: Glynn Mitchell, Nicholas Phillip Mulholland
  • Publication number: 20170066745
    Abstract: The present invention relates to compounds of Formula (I), or an agronomically acceptable salt of said compounds wherein A1, A2, R1, R2, R3 and R4 are as defined herein. The invention further relates to herbicidal compositions which comprise a compound of Formula (I), to their use for controlling weeds, in particular in crops of useful plants, and to intermediates used to synthesise said compounds.
    Type: Application
    Filed: February 26, 2015
    Publication date: March 9, 2017
    Applicant: Syngenta Participations AG
    Inventors: Glynn Mitchell, Nicholas Phillip Mulholland
  • Publication number: 20160073631
    Abstract: The present invention provides stereoselective processes for the preparation of compounds of formula (I) wherein P is phenyl, naphthyl, a 6-membered heteroaryl group containing one or two nitrogen atoms as ring members, or a 10-membered bicyclic heteroaryl group containing one or two nitrogen atoms as ring members, and wherein the phenyl, naphthyl and heteroaryl groups are optionally substituted; R1 is chlorodifluoromethyl or trifluoromethyl; R2 is optionally substituted aryl or optionally substituted heteroaryl; n is 0 or 1; including the process comprising (a-i) reacting a compound of formula II wherein P, R1 and R2 are as defined for the compound of formula I; with nitromethane in the presence a chiral catalyst to give a compound of formula III wherein P, R1 and R2 are as defined for the compound of formula I; and (a-ii) reductively cyclising the compound of formula III to give the compound of formula I.
    Type: Application
    Filed: November 19, 2015
    Publication date: March 17, 2016
    Applicants: Syngenta Participations AG, Syngenta Limited
    Inventors: Myriem EL QACEMI, Helmars SMITS, Jerome Yves CASSAYRE, Nicholas Phillip MULHOLLAND, Peter RENOLD, Edouard GODINEAU, Thomas PITTERNA
  • Patent number: 9233920
    Abstract: The present invention provides stereoselective processes for the preparation of compounds of formula (I) wherein P is phenyl, naphthyl, a 6-membered heteroaryl group containing one or two nitrogen atoms as ring members, or a 10-membered bicyclic heteroaryl group containing one or two nitrogen atoms as ring members, and wherein the phenyl, naphthyl and heteroaryl groups are optionally substituted; R1 is chlorodifluoromethyl or trifluoromethyl; R2 is optionally substituted aryl or optionally substituted heteroaryl; n is 0 or 1; including the process comprising (a-i) reacting a compound of formula II wherein P, R1 and R2 are as defined for the compound of formula I; with nitromethane in the presence a chiral catalyst to give a compound of formula III Wherein P, R1 and R2 are as defined for the compound of formula I; and (a-ii) reductively cyclizing the compound of formula III to give the compound of formula I.
    Type: Grant
    Filed: June 14, 2011
    Date of Patent: January 12, 2016
    Assignees: Syngenta Participations AG, Syngenta Limited
    Inventors: Myriem El Qacemi, Helmars Smits, Jerome Yves Cassayre, Nicholas Phillip Mulholland, Peter Renold, Edouard Godineau, Thomas Pitterna
  • Patent number: 8962628
    Abstract: The present invention provides a compound of formula (I) wherein R4 is of sub-formula (a) or (b) and wherein the other substituents are as defined in the specification. The compounds of formula (I) are potentially useful as herbicides.
    Type: Grant
    Filed: October 14, 2011
    Date of Patent: February 24, 2015
    Assignee: Syngenta Limited
    Inventors: Alaric James Avery, Alain De Mesmaeker, Nicholas Phillip Mulholland, Nigel James Willetts, Paul Anthony Worthington
  • Publication number: 20140323300
    Abstract: The present invention relates to compounds of Formula (I), or an agronomically acceptable salt of said compounds wherein R1, R2, R3 and R4 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: December 7, 2012
    Publication date: October 30, 2014
    Applicant: SYNGENTA LIMITED
    Inventors: William Guy Whittingham, Nicholas Phillip Mulholland, Russell Viner, Alison Clare Elliott, Katy Louise Bridgwood, John Martin Clough, Kevin Beautement, Glynn Mitchell, Gordon Munns
  • Publication number: 20140206633
    Abstract: The present invention relates to processes for the preparation of compounds of formula IB wherein A1, A2, A3, A4, L, Y1, Y2, R1, R2, R3, R4 and R5 are as defined in the claims, comprising reacting a compound of formula (II) wherein Y1, Y2, L, A1, A2, R1, R2, R3, R4 and R5 are as defined for the compound of formula (I); with hydroxylamine in the presence of water, a base and a chiral phase transfer catalyst, which chiral phase transfer catalyst is a quinine derivative. The invention also relates to compounds of formula IB and enantiomerically enriched mixtures comprising compounds of formula IB.
    Type: Application
    Filed: February 3, 2011
    Publication date: July 24, 2014
    Applicant: SYNGENTA CROP PROTECTION LLC
    Inventors: Nicholas Phillip Mulholland, Edouard Godineau, Jérôme Yves Cassayre, Peter Renold, Myriem El Qacemi, Guillaume Revol
  • Publication number: 20130303370
    Abstract: The present invention provides a compound of formula (I) wherein R4 is of sub-formula (a) or (b) and wherein the other substituents are as defined in the specification. The compounds of formula (I) are potentially useful as herbicides.
    Type: Application
    Filed: October 14, 2011
    Publication date: November 14, 2013
    Applicants: SYNGENTA LIMITED, SYNGENTA PARTICIPATIONS AG
    Inventors: Alaric James Avery, Alain De Mesmaeker, Nicholas Phillip Mulholland, Nigel James Willetts, Paul Anthony Worthington
  • Patent number: 8569301
    Abstract: The present invention relates to 6,6-dioxo-6-thia-1,4-diaza-naphthalene derivatives of formula (I) where R1, R2, R3a, R3b, R4 and R5 are as defined in claim 1; or a salt or N-oxide thereof. Furthermore, the present invention relates to processes and intermediates for making compounds of formula (I), to herbicidal compositions comprising compounds of formula (I) and to methods of using compounds of formula (I) to control plant growth.
    Type: Grant
    Filed: May 6, 2010
    Date of Patent: October 29, 2013
    Assignee: Syngenta Limited
    Inventors: Nigel James Willetts, Nicholas Phillip Mulholland, Paul Anthony Worthington, Alaric James Avery
  • Publication number: 20130237583
    Abstract: The present invention provides stereoselective processes for the preparation of compounds of formula (I) wherein P is phenyl, naphthyl, a 6-membered heteroaryl group containing one or two nitrogen atoms as ring members, or a 10-membered bicyclic heteroaryl group containing one or two nitrogen atoms as ring members, and wherein the phenyl, naphthyl and heteroaryl groups are optionally substituted; R1 is chlorodifluoromethyl or trifluoromethyl; R2 is optionally substituted aryl or optionally substituted heteroaryl; n is 0 or 1; including the process comprising (a-i) reacting a compound of formula II wherein P, R1 and R2 are as defined for the compound of formula I; with nitromethane in the presence a chiral catalyst to give a compound of formula III Wherein P, R1 and R2 are as defined for the compound of formula I; and (a-ii) reductively cyclising the compound of formula III to give the compound of formula I.
    Type: Application
    Filed: June 14, 2011
    Publication date: September 12, 2013
    Applicant: SYNGENTA CROP PROTECTION LLC
    Inventors: Myriem El Qacemi, Helmars Smits, Jerome Yves Cassayre, Nicholas Phillip Mulholland, Peter Renold, Edouard Godineau, Thomas Pitterna
  • Publication number: 20120115726
    Abstract: The present invention relates to 6,6-dioxo-6-thia-1,4-diaza-naphthalene derivatives of formula (I) where R1, R2, R3a, R3b, R4 and R5 are as defined in claim 1; or a salt or N-oxide thereof. Furthermore, the present invention relates to processes and intermediates for making compounds of formula (I), to herbicidal compositions comprising compounds of formula (I) and to methods of using compounds of formula (I) to control plant growth.
    Type: Application
    Filed: May 6, 2010
    Publication date: May 10, 2012
    Applicant: SYNGENTA CROP PROTECTION LLC
    Inventors: Nigel James Willetts, Nicholas Phillip Mulholland, Paul Anthony Worthington, Alaric James Avery