Patents by Inventor Steven Fitzjohn

Steven Fitzjohn 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: 20200068879
    Abstract: The present invention relates to methods of reducing the viscosity of an aqueous agrochemical concentrate comprising a) an adjuvant selected from an alkoxylated aliphatic acid, an alkoxylated aliphatic alcohol, an alkoxylated aliphatic amide and an alkoxylated aliphatic amine, wherein the concentration of adjuvant in the aqueous agrochemical concentrate is at least 50 g/l; the method comprising including b) a compound selected from: i. an aryl sulphonate; ii. an aliphatic mono alcohol; iii. an aliphatic polyol comprising at least four contiguous carbon atoms; and iv. anaryl alcohol; in the aqueous agrochemical concentrate; wherein the aqueous agrochemical concentrate comprises an agrochemical active ingredient. The invention also relates to the agrochemical concentrates and methods of using the agrochemical concentrates for controlling or preventing infestation of plants by phytopathogenic microorganisms.
    Type: Application
    Filed: November 8, 2019
    Publication date: March 5, 2020
    Applicant: SYNGENTA LIMITED
    Inventors: Julia Lynne RAMSAY, John HONE, Jose Luis CALVO, Niall Rae THOMSON, Patrick Joseph MULQUEEN, Alexander BASSETT-CROSS, Steven FITZJOHN, Antony HARRIS
  • Publication number: 20130217746
    Abstract: The present invention relates to methods of reducing the viscosity of an aqueous agrochemical concentrate comprising a) an adjuvant selected from an alkoxylated aliphatic acid, an alkoxylated aliphatic alcohol, an alkoxylated aliphatic amide and an alkoxylated aliphatic amine, wherein the concentration of adjuvant in the aqueous agrochemical concentrate is at least 50 g/l; the method comprising including b) a compound selected from: i. an aryl sulphonate; ii. an aliphatic mono alcohol; iii. an aliphatic polyol comprising at least four contiguous carbon atoms; and iv. anaryl alcohol; in the aqueous agrochemical concentrate; wherein the aqueous agrochemical concentrate comprises an agrochemical active ingredient. The invention also relates to the agrochemical con centrates and methods of using the agrochemical concentrates for controlling or preventing infestation of plants by phytopathogenic microorganisms.
    Type: Application
    Filed: October 21, 2011
    Publication date: August 22, 2013
    Applicant: SYNGENTA LIMITED
    Inventors: Julia Lynne Ramsay, John Hone, Jose Luis Calvo, Niall Rae Thomson, Patrick Joseph Mulqueen, Alexander Bassett-Cross, Steven Fitzjohn, Antony Harris
  • Patent number: 5952359
    Abstract: A compound of formula (I),R--S(O).sub.n CH.sub.2 CH.sub.2 CH.dbd.CF.sub.2or a salt thereof, wherein n is 0, 1 or 2; and R is a group of formula (V) or (VII) ##STR1## wherein: at least one of R.sup.2, R.sup.3, R.sup.4 or R.sup.5 is a S(O)nCH.sub.2 CH.sub.2 CH.dbd.CF.sub.2 group; and the remainder of R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are each independently hydrogen, optionally substituted alkyl, optionally substituted alkenyl, alkynyl, cycloalkyl, alkylcycloalkyl, alkoxy, alkenyloxy, alkynyloxy, hydroxyalkyl, alkoxyalkyl, optionally substituted aryl, optionally substituted arylalkyl, optionally substituted heteroaryl, optionally substituted heteroarylalkyl, optionally substituted aryloxy, optionally substituted arylalkoxy, optionally substituted aryloxyalkyl, optionally substituted heteroaryloxy, optionally substituted heteroarylalkoxy, optionally substituted heteroaryloxyalkyl, haloalkyl, haloalkenyl, haloalkynyl, haloalkoxy, haloalkenyloxy, haloalkynyloxy, halogen, hydroxy, cyano, nitro, --NR.sup.7 R.sup.
    Type: Grant
    Filed: July 3, 1997
    Date of Patent: September 14, 1999
    Assignee: ZENECA Limited
    Inventors: Christopher Richard Ayles Godfrey, Matthew Brian Hotson, Nan Catherine Sillars, Alan John Dowling, Michael Drysdale Turnbull, Harjinder Singh Bansal, Allison Mary Smith, Roger Salmon, Steven Fitzjohn
  • Patent number: 5928998
    Abstract: Substituted arylindazoles of the formula: ##STR1## wherein X is CR.sup.14 and R.sup.14 is hydrogen, halogen, haloalkyl, cyano, nitro, alkylthio, alkylsulfonyl, alkylsulfinyl or alkoxy; and substituents R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.7 and R.sup.8 are as defined in the specification. Use of the compounds as herbicides and methods of making the compounds are also described.
    Type: Grant
    Filed: December 9, 1996
    Date of Patent: July 27, 1999
    Assignee: Zeneca Limited
    Inventors: Donald R. James, Don R. Baker, Steven D. Mielich, William J. Michaely, Steven Fitzjohn, Christopher G. Knudsen, Christopher Mathews, John M. Gerdes
  • Patent number: 5914423
    Abstract: A process for the preparation of a compound of formula (I):HetSCH.sub.2 CH.sub.2 CH.dbd.CF.sub.2 (I)wherein Het is an optionally substituted 5- or 6-membered heterocyclic ring, which comprises reacting a compound of formula (II):HetSH (II)with a compound of formula (III):CF.sub.2 .dbd.CHCH.sub.2 CH.sub.2 L (III)wherein L is chlorine or bromine or a group --OSO2R.sup.a wherein R.sup.a is a C1-4 alkyl group or a phenyl group optionally substituted by a C1-4 alkyl group.
    Type: Grant
    Filed: November 24, 1997
    Date of Patent: June 22, 1999
    Assignee: Zeneca, Limited
    Inventors: Michael Drysdale Turnbull, Nigel James Willetts, Steven Fitzjohn, Prafula Govind Kholia, Harjindersingh Bansal, Alfred Glyn Williams
  • Patent number: 5912243
    Abstract: A compound having the formula R--S(O).sub.n CH.sub.2 CH.sub.2 CH.dbd.CF.sub.
    Type: Grant
    Filed: August 28, 1996
    Date of Patent: June 15, 1999
    Assignee: Zeneca Limited
    Inventors: Alan John Dowling, Alison Mary Craig, Christopher Richard Ayles Godfrey, Harjinder Singh Bansal, Matthew Brian Hotson, Michael Drysdale Turnbull, Nan Catherine Sillars, Roger Salmon, Steven Fitzjohn
  • Patent number: 5728833
    Abstract: A process for the preparation of a compound of formula (I):HetSCH.sub.2 CH.sub.2 CH.dbd.CF.sub.2 (I)wherein Het is an optionally substituted 5- or 6-membered heterocyclic ring, which comprises reacting a compound of formula (II):HetSH (II)with a compound of formula (III):CF.sub.2 .dbd.CHCH.sub.2 CH.sub.2 L (III)wherein L is chlorine or bromine or a group --OSO2R.sup.a wherein R.sup.a is a C1-4 alkyl group or a phenyl group optionally substituted by a C1-4 alkyl group.
    Type: Grant
    Filed: August 4, 1994
    Date of Patent: March 17, 1998
    Assignee: Zeneca Limited
    Inventors: Michael Drysdale Turnbull, Nigel James Willetts, Steven Fitzjohn, Prafula Govind Kholia, Alison Mary Smith, Roger Salmon, Harjinder Singh Bansal
  • Patent number: 5684011
    Abstract: The invention provides novel compounds of formula (I) having nematicidal, insecticidal, acaricidal and fungicidal properties, compositions comprising them and processes and intermediates for their preparation: ##STR1## wherein R.sup.1 is --S(O).sub.n CH.sub.2 CH.sub.2 CH.dbd.CF.sub.2 ;n is selected from 0, 1 and 2;R.sup.2, R.sup.3, and R.sup.4 are independently selected from hydrogen, alkyl, alkenyl, alkynyl, cycloalkyl, alkylcycloalkyl, optionally substituted aryl, optionally substituted arylalkyl, optionally substituted aryloxy, optionally substituted arylalkoxy, alkoxy, alkenyloxy, alkynyloxy, hydroxyalkyl, alkoxyalkyl, alkylthio, alkenylthio, alkynylthio, haloalkyl, haloalkenyl, haloalkynyl, haloalkoxy, haloalkenyloxy, haloalkynyloxy, haloalkylthio, haloalkenylthio, haloalkynylthio, halogen, hydroxy, cyano, nitro, --NR.sup.5 R.sup.6, --NR.sup.7 COR.sup.8, --NR.sup.9 SO.sub.2 R.sup.10, --N(SO.sub.2 --R.sup.11)(SO.sub.2 --R.sup.12), --COR.sup.13, --CONR.sup.14 R.sup.15, --COOR.sup.16, --OCOR.sup.17, --OSO.
    Type: Grant
    Filed: May 24, 1996
    Date of Patent: November 4, 1997
    Assignee: Zeneca Limited
    Inventors: Steven Fitzjohn, Michael Peter Robinson, Michael Drysdale Turnbull
  • Patent number: 5451594
    Abstract: The invention provides compounds of formula (I) having nematicidal, insecticidal, acaricidal and fungicidal properties, compositions comprising them and processes and intermediates for their preparation: ##STR1## wherein: X is oxygen or sulphur;n is 0, 1 or 2;R.sup.1, R.sup.2, R.sup.3, and R.sup.4 are as described in the specification.
    Type: Grant
    Filed: September 10, 1993
    Date of Patent: September 19, 1995
    Assignee: Zeneca Limited
    Inventors: Steven Fitzjohn, Michael P. Robinson, Michael D. Turnbull, Alison M. Smith, Roger Salmon, Robin Taylor
  • Patent number: 5444038
    Abstract: This invention relates to substituted aryl indazoles, a process for producing them and their use as herbicides. In particular this invention relates to substituted aryl indazoles of the formula ##STR1## wherein all variables are as defined in the specification.
    Type: Grant
    Filed: March 2, 1993
    Date of Patent: August 22, 1995
    Assignee: Zeneca Limited
    Inventors: Donald R. James, Don R. Baker, Steven D. Mielich, William J. Michaely, Steven Fitzjohn, Christopher G. Knudsen, Christopher Mathews, John M. Gerdes
  • Patent number: 5079251
    Abstract: Pyrazinone derivatives useful as insecticides have the formula (I): ##STR1## wherein A is N or C-R.sup.1 ; R.sup.1 and R.sup.2 are independently selected from hydrogen, halogen, haloalkyl, cyano or nitro; R.sup.3 and R.sup.4 are independently selected from hydrogen, halogen, alkyl or cycloalkyl; R.sup.5 is cyano, halo, nitro, alkoxy, haloalkyl, haloalkoxy or --S(O).sub.n R.sup.10 ; R.sup.6 is halo, cyano, nitro, haloalkyl, haloalkoxy, alkoxycarbonyl or --S(O).sub.n R.sup.10 ; R.sup.7 is hydrogen, halogen, cyano, nitro, alkyl, alkoxy, alkylthio, haloalkylthio, alkoxycarbonyl, NR.sup.11 R.sup.12 or haloalkyl; R.sup.8 is H, halo, NR.sup.11 R.sup.12, alkyl, cycloalkyl or S(O).sub.n R.sup.10 ; and R.sup.9 is oxygen or sulphur; where n is 0, 1 or 2; and R.sup.10 is alkyl, haloalkyl or cycloalkyl and R.sup.11 and R.sup.12 are independently selected from hydrogen, alkyl, cycloalkyl, benzyl or substituted benzyl.
    Type: Grant
    Filed: July 12, 1990
    Date of Patent: January 7, 1992
    Assignee: Imperial Chemical Industries PLC
    Inventor: Steven Fitzjohn