Patents by Inventor Peter Stuart Gates

Peter Stuart Gates 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: 5885935
    Abstract: Herbicidal sulfonamides of the formula: ##STR1## and salts thereof, where: A represents a substituted or unsubstituted benzene ring, or a 5- or 6-membered substituted or unsubstituted heteroaromatic ring; Q is --O--, --S-- or a group --CXX'--; X and X', which may be the same or different, are each hydrogen, halogen, cyano, an optionally-substituted alkyl group, or a group --OR.sup.a, --SR.sup.a, or --COR.sup.b ; or one of X and X' represents hydroxy and the other is as defined above; or X and X' together represent .dbd.O or .dbd.S; R.sup.a is an optionally-substituted alkyl, aryl or acyl group; R.sup.b is an optionally-substituted alkyl or aryl group, or a group --OR.sup.c or --NR.sup.c R.sup.d ; R.sup.c and R.sup.d, which may be the same or different, are each hydrogen, or an optionally-substituted alkyl or aryl group; Y is nitrogen or a group CR.sup.9 ; R.sup.1 is an optionally-substituted alkyl, alkenyl, alkynyl, cycloalkyl, aryl, heterocyclyl, benzoheterocyclyl or amino group; R.sup.
    Type: Grant
    Filed: June 21, 1996
    Date of Patent: March 23, 1999
    Assignee: Agrevo UK Limited
    Inventors: Peter Stuart Gates, Graham Peter Jones, David Edward Saunders
  • Patent number: 4120871
    Abstract: 2,3-Dihydro-benzofuranyl-5-esters, particularly esters of alkyl sulphonic acid, which possess physiological activity, being particularly useful as herbicides and plant growth regulants.
    Type: Grant
    Filed: July 11, 1977
    Date of Patent: October 17, 1978
    Assignee: Fisons Limited
    Inventors: Peter Stuart Gates, John Gillon, David Thomas Saggers
  • Patent number: 4064250
    Abstract: There are provided benzodioxol-4-yl carbamates of the formula: ##STR1## where R.sup.1 represents H, alkyl or phenyl; R.sup.2 represents alkyl; R.sup.3 represents H, alkyl, alkenyl, alkynyl, alkanoyl or benzoyl; R.sup.4 represents alkyl, alkenyl or alkynyl; and R.sup.5, R.sup.6 and R.sup.7, which may be the same or different, each represent H, halogen, or alkyl.The compounds are insecticidal.
    Type: Grant
    Filed: April 16, 1976
    Date of Patent: December 20, 1977
    Assignee: Fisons Limited
    Inventor: Peter Stuart Gates
  • Patent number: 4056625
    Abstract: Substituted benzodioxoles of the formula: ##STR1## wherein R.sup.1 and R.sup.2 are hydrogen or alkyl of 1 to 6 carbon atoms or together with the linking carbon atom form a cycloalkane or cycloalkene ring of 5 to 7 carbon atoms;R.sup.3 is hydrogen, alkyl of 1 to 4 carbon atoms or acyl;R.sup.4 is alkyl of up to 4 carbon atoms, alkenyl of up to 4 carbon atoms or alkynyl of up to 4 carbon atoms; andR.sup.5, r.sup.6 and R.sup.7 are hydrogen, halogen or alkyl of 1 to 4 carbon atomsAre valuable pesticides, particularly insecticides.
    Type: Grant
    Filed: December 18, 1975
    Date of Patent: November 1, 1977
    Assignee: Fisons Limited
    Inventors: Peter Stuart Gates, John Gillon
  • Patent number: 4051154
    Abstract: 2,3-Dihydro-benzofuranyl-5-esters, particularly esters of alkyl sulphonic acid, which possess physiological activity, being particularly useful as herbicides and plant growth regulants.
    Type: Grant
    Filed: May 6, 1975
    Date of Patent: September 27, 1977
    Assignee: Fisons Limited
    Inventors: Peter Stuart Gates, John Gillon, David Thomas Saggers
  • Patent number: 4049420
    Abstract: Compounds of formula ##STR1## wherein R.sup.1 represents a branched chain alkyl group of at least 4 carbon atoms or a cycloalkyl group of at least 4 carbon atoms;R.sup.2 and R.sup.3 are the same or different and each represents a hydrogen atom or an alkyl group of 1-6 carbon atoms;R.sup.4, r.sup.6 and R.sup.7 are the same or different and each represent a hydrogen or halogen atom or an alkyl or alkoxy group of 1-4 carbon atoms; andR.sup.5 represents an alkyl group, a substituted alkyl group, an aryl group or a substituted aryl group,Are outstanding herbicides and plant growth regulants.
    Type: Grant
    Filed: May 21, 1975
    Date of Patent: September 20, 1977
    Assignee: Fisons Limited
    Inventor: Peter Stuart Gates
  • Patent number: 4001003
    Abstract: A plant physiologically active composition containing as the active ingredient a compound of formula ##STR1## characterized in that R.sup.1, R.sup.2 and R.sup.3 are the same or different and each represents hydrogen or alkyl, or R.sup.1 and R.sup.2 together or R.sup.2 and R.sup.3 together form an alkylene chain;R.sup.4 represents a halogen atom;R.sup.5 represents alkyl, substituted alkyl, aryl or substituted aryl; andR.sup.6, r.sup.7 and R.sup.8 are the same or different and each represents hydrogen, alkyl, halogen, cyano, alkanoyl or alkoxy. The present invention also involves methods of using the aforementioned compositions.
    Type: Grant
    Filed: April 16, 1975
    Date of Patent: January 4, 1977
    Assignee: Fisons Limited
    Inventor: Peter Stuart Gates
  • Patent number: 3948952
    Abstract: Substituted benzodioxoles of the formula: ##EQU1## wherein R.sup.1 and R.sup.2 are hydrogen or alkyl of 1 to 6 carbon atoms or together with the linking carbon atom form a cycloalkane or cycloalkene ring of 5 to 7 carbon atoms;R.sup.3 is hydrogen, alkyl of 1 to 4 carbon atoms or acyl;R.sup.4 is alkyl of up to 4 carbon atoms, alkenyl of up to 4 carbon atoms or alkynyl of up to 4 carbon atoms; andR.sup.5, r.sup.6 and R.sup.7 are hydrogen, halogen or alkyl of 1 to 4 carbon atomsAre valuable pesticides, particularly insecticides.
    Type: Grant
    Filed: August 17, 1973
    Date of Patent: April 6, 1976
    Assignee: Fisons Limited
    Inventors: Peter Stuart Gates, John Gillon
  • Patent number: 3937702
    Abstract: 2,3-Dihydro-benzofuranyl-5-esters, particularly esters of alkyl sulphonic acid, which possess physiological activity, being particularly useful as herbicides and plant growth regulants.
    Type: Grant
    Filed: August 9, 1972
    Date of Patent: February 10, 1976
    Assignee: Fisons Limited
    Inventors: Peter Stuart Gates, John Gillon, David Thomas Saggers