Patents by Inventor John A. Durden

John A. Durden 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).

  • N-(alpha-haloacyl)-N-hydrocarbyl carbamoyl halides
    Patent number: 4637901
    Abstract: Novel N-(alpha-haloacyl)-N-hydrocarbyl carbamoyl halides and a process for their preparation are provided. The novel compounds are useful as intermediates in the preparation of insecticides.
    Type: Grant
    Filed: October 15, 1985
    Date of Patent: January 20, 1987
    Assignee: Union Carbide Corporation
    Inventors: Chennupati K. Rao, Sudershan K. Arora, Raman Grover, John A. Durden, Themistocles D. J. D'Silva
  • Novel pesticidal phenoxyphenyl and phenoxypyridyl benzoyl ureas and process for preparation
    Patent number: 4602109
    Abstract: Novel phenoxyphenyl and phenoxypyridyl benzoyl ureas and a process for their preparation are provided. The novel ureas are useful as the active toxicant in pesticidal compositions.
    Type: Grant
    Filed: December 27, 1984
    Date of Patent: July 22, 1986
    Assignee: Union Carbide Corporation
    Inventors: David T. Chou, John A. Durden, Themistocles D. J. D'Silva
  • Pesticidal phenoxypyridyl benzoyl ureas
    Patent number: 4540578
    Abstract: Novel phenoxyphenyl and phenoxypyridyl benzoyl ureas and a process for their preparation are provided. The novel ureas are useful as the active toxicant in pesticidal compositions.
    Type: Grant
    Filed: December 30, 1982
    Date of Patent: September 10, 1985
    Assignee: Union Carbide Corporation
    Inventors: David T. Chou, John A. Durden, Themistocles D. J. D'Silva
  • Insecticidal bis-carbamate sulfides
    Patent number: 4496591
    Abstract: Bis-carbamoyl sulfide compounds exhibit exceptional broad spectrum pesticidal activity and increased residual pesticidal activity, coupled with extremely low phytotoxicity.
    Type: Grant
    Filed: October 14, 1981
    Date of Patent: January 29, 1985
    Assignee: Union Carbide Corporation
    Inventors: John A. Durden, Themistocles D. J. D'Silva
  • Method for controlling ectoparasitic Acarina
    Patent number: 4386086
    Abstract: A method of controlling ectoparasitic Acarina that bore into and through the dermal integument of warm blooded animals by orally administering an 2-aryl-1,3-indandione and derivatives to said animals in an amount sufficient to kill said ectoparasites.
    Type: Grant
    Filed: August 24, 1978
    Date of Patent: May 31, 1983
    Assignee: Union Carbide Corporation
    Inventors: David T. Manning, John A. Durden
  • Substituted phenyl indandiones as miticides
    Patent number: 3954998
    Abstract: Substituted 2-phenylindan-1,3-diones, especially those in which the 2 and 6 positions of the phenyl ring are substituted, exhibit exceptional miticidal and herbicidal activity.
    Type: Grant
    Filed: August 31, 1973
    Date of Patent: May 4, 1976
    Assignee: Union Carbide Corporation
    Inventors: John A. Durden, Anthony A. Sousa