Patents by Inventor Russell G. Hunt

Russell G. Hunt 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).

  • Imidazole fungicides
    Patent number: 5173503
    Abstract: Compounds of formula I ##STR1## in which X and R.sup.1-4 have the meanings given in the description, have activity against phytopathogenic fungi.
    Type: Grant
    Filed: October 31, 1990
    Date of Patent: December 22, 1992
    Assignee: Schering Agrochemicals Limited
    Inventors: John H. Parsons, Russell G. Hunt, Kenneth Hamilton, Dale R. Mitchell
  • Fungicides
    Patent number: 4853400
    Abstract: Compounds of any one of formulae I-VII ##STR1## where is a single or double bond;A is oxygen or sulphurR.sup.1 is aryl;R.sup.2 is 1-imidazolyl or 1,2,4-triazol-1-yl andR.sup.3, R.sup.4, R.sup.5 and R.sup.6, which may be the same or different, are each hydrogen, halo, alkyl or alkoxy, have fungicidal activity.
    Type: Grant
    Filed: May 16, 1988
    Date of Patent: August 1, 1989
    Assignee: Schering Agrochemicals Limited
    Inventors: John H. Parsons, Russell G. Hunt, Susan E. Leach, Anthony D. Buss, David E. Green, Michael Mellor, Albert Percival
  • Fungicides
    Patent number: 4772613
    Abstract: Compounds of any of one of formulae I-VII ##STR1## where is a single or double bond;A is oxygen or sulphur;R.sup.1 is aryl;R.sup.2 is 1-imidazolyl or 1,2,4-triazol-1-yl; andR.sup.3, R.sup.4, R.sup.5 and R.sup.6, which may be the same or different, are each hydrogen, halo, alkyl or alkoxy, have fungicidal activity.
    Type: Grant
    Filed: May 26, 1987
    Date of Patent: September 20, 1988
    Assignee: Schering Agrochemicals Ltd.
    Inventors: John H. Parsons, Russell G. Hunt, Susan E. Leach, Anthony D. Buss, David E. Green, Michael Mellor, Albert Percival
  • Acaricides
    Patent number: 4692457
    Abstract: The invention provides the acaricidal thiadiazoles of the formula: ##STR1## (where: R.sup.1 and R.sup.2, which may be the same or different, are each hydrogen, optionally-substituted alkyl of 1 to 10 carbon atoms, or optionally-substituted phenyl, of R.sup.1 is alkylthio of 1 to 6 carbon atoms; R is an ester-forming group; Y is oxygen or sulphur; and the carbamate grouping is in the 3- or 4-position on the phenyl ring), processes for their preparation and compositions containing them.
    Type: Grant
    Filed: April 15, 1986
    Date of Patent: September 8, 1987
    Assignee: FBC Limited
    Inventors: Peter J. West, Russell G. Hunt, Duncan A. Gates
  • Compounds useful as pesticides
    Patent number: 4349378
    Abstract: Sulphonanilides of formula ##STR1## and salts thereof, wherein R.sup.1 represents alkyl or certain other groups;R represents alkylene or alkenylene;A represents --COR.sup.12 or a carbonyl derivative or addition compound thereof, where R.sup.12 represents hydrogen, alkyl or certain other groups; andR.sup.2 -R.sup.6 represent hydrogen, alkyl, halogen or certain other groups;are pesticides and plant growth regulants, especially herbicides and fungicides.
    Type: Grant
    Filed: December 14, 1978
    Date of Patent: September 14, 1982
    Assignee: FBC Limited
    Inventors: Geoffrey R. Cliff, Russell G. Hunt, Albert Percival