Patents by Inventor Thomas I. Watkins

Thomas I. Watkins 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).

  • Compositions and method of combatting pest employing substituted benzophenone hydrozones or semicarbazones
    Patent number: 4394387
    Abstract: Novel compounds are described which are substituted benzophenone hydrazones. They have pesticidal activity, especially against insects and acarids, and pesticidal compositions and methods are described. Methods of making the compounds, and novel intermediates, are also described.
    Type: Grant
    Filed: July 2, 1981
    Date of Patent: July 19, 1983
    Assignee: The Boots Company PLC
    Inventors: Leonard G. Copping, John C. Kerry, Thomas I. Watkins, Robert J. Willis, Bryan H. Palmer
  • Pesticide compounds
    Patent number: 4344893
    Abstract: Novel compounds are described which are substituted benzophenone hydrazones. They have pesticidal activity, especially against insects and acarids, and pesticidal compositions and methods are described. Methods of making the compounds, and novel intermediates, are also described.
    Type: Grant
    Filed: February 25, 1980
    Date of Patent: August 17, 1982
    Assignee: The Boots Company Limited
    Inventors: Leonard G. Copping, John C. Kerry, Thomas I. Watkins, Robert J. Willis, Bryan H. Palmer
  • Compounds, compositions and methods for controlling pests
    Patent number: 4262005
    Abstract: A new method of controlling pests harmful to domestic animals and certain novel pesticidal compositions are described. Compounds for use in the method have the formula ##STR1## in which n is 0 to 5, R is halo, alkyl, trihaloalkyl, cyano alkoxy or alkoxycarbonyl, R.sup.1 and R.sup.2 are each hydrogen, alkyl alkenyl, alkynyl, acyl, or hydrocarbyloxycarbonyl and R.sup.3 and R.sup.4 are each hydrogen or alkyl; or an acid addition. The method is of particular value for controlling ectoparasites which attack cattle and pigs. Certain of the compounds are novel.
    Type: Grant
    Filed: December 6, 1978
    Date of Patent: April 14, 1981
    Assignee: The Boots Company Limited
    Inventors: John F. McCarthy, Bryan H. Palmer, Thomas I. Watkins
  • Triazole compounds
    Patent number: 4255435
    Abstract: 1(2)-(N,N-disubstituted carbamoyl)-3,5-substituted-1,2,4-triazoles, with insecticidal and nematicidal properties, are described.
    Type: Grant
    Filed: January 4, 1980
    Date of Patent: March 10, 1981
    Assignee: The Boots Company Limited
    Inventors: Thomas I. Watkins, David M. Weighton
  • Triazole insecticides
    Patent number: 4054664
    Abstract: 1(2)-(N,N-disubstituted carbamoyl)-3,5-substituted-1,2,4-triazoles, useful as insecticidal compounds, and their preparation, are described.
    Type: Grant
    Filed: July 8, 1975
    Date of Patent: October 18, 1977
    Assignee: The Boots Company Limited
    Inventors: Thomas I. Watkins, David M. Weighton