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
  • Amide carbamates and amide oxime compounds
    Patent number: 4454134
    Abstract: Amide oxime compounds are useful intermediates in the preparation of pesticidally active amide carbamate compounds.
    Type: Grant
    Filed: June 14, 1976
    Date of Patent: June 12, 1984
    Assignee: Union Carbide Corporation
    Inventor: John A. Durden, Jr.
  • 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
  • N-[4-(Tert-butyl)phenylsulfenyl]-N-alkylcarbamoyl fluoride compounds
    Patent number: 4304735
    Abstract: N-[4-(tert-butyl)phenylsulfenyl]-N-alkylcarbamoyl fluoride compounds are useful as intermediates in the preparation of pesticidally active carbamoyloxime compounds.
    Type: Grant
    Filed: October 3, 1979
    Date of Patent: December 8, 1981
    Assignee: Union Carbide Corporation
    Inventor: John A. Durden, Jr.
  • 2-Oximino-tetrahydro-1,4-oxazin-3-ones
    Patent number: 4303788
    Abstract: Certain 2-oximino-tetrahydro-1,4-oxazin-3-one and 5-oximino-1,3-oxazolidin-4-one carbamate esters exhibit outstanding miticidal, insecticidal and nematodicial activity; certain 2-oximino-tetrahydro-1,4-oxazin-3-ones and 5-oximino-1,3-oxazolidin-4-ones are useful intermediates in the preparation of pesticidally active carbamate compounds.
    Type: Grant
    Filed: May 9, 1980
    Date of Patent: December 1, 1981
    Assignee: Union Carbide Corporation
    Inventors: John A. Durden, Jr., Arthur P. Kurtz, Jr.
  • Pesticidal carbamate esters of 5-oximino-1,3-oxazolidin-4-ones
    Patent number: 4235902
    Abstract: Certain 2-oximino-tetrahydro-1,4-oxazin-3-one and 5-oximino-1,3-oxazolidin-4-one carbamate esters exhibit outstanding miticidal, insecticidal and nematodicial activity; certain 2-oximino-tetrahydro-1,4-oxazin-3-ones and 5-oximino-1,3-oxazolidin-4-ones are useful intermediates in the preparation of pesticidally active carbamate compounds.
    Type: Grant
    Filed: June 21, 1976
    Date of Patent: November 25, 1980
    Assignee: Union Carbide Corporation
    Inventors: John A. Durden, Jr., Arthur P. Kurtz, Jr.
  • Esters of 3-hydroxyindone compounds as herbicides and miticides
    Patent number: 4104043
    Abstract: A new series of substituted esters of 3-hydroxyindone compounds have been found to have exceptional miticidal and herbicidal activity.
    Type: Grant
    Filed: December 12, 1972
    Date of Patent: August 1, 1978
    Assignee: Union Carbide Corporation
    Inventors: John A. Durden, Jr., Anthony A. Sousa, John F. Stephen
  • Esters of 3-hydroxyindone compounds
    Patent number: 4091006
    Abstract: A new series of substituted esters of 3-hydroxyindone compounds have been found to have exceptional miticidal and herbicidal activity.
    Type: Grant
    Filed: October 1, 1975
    Date of Patent: May 23, 1978
    Assignee: Union Carbide Corporation
    Inventors: John A. Durden, Jr., Anthony A. Sousa, John F. Stephen
  • 1,4-Thiazines
    Patent number: 4003895
    Abstract: Novel tetrahydro thiazine carbamoyl oxime compounds having been found to exhibit exceptional insecticidal activity.
    Type: Grant
    Filed: March 26, 1975
    Date of Patent: January 18, 1977
    Assignee: Union Carbide Corporation
    Inventor: John A. Durden, Jr.
  • Tertiary butyl substituted carbamoyl oxime pesticides
    Patent number: 3998963
    Abstract: O-[N-Methyl-N-[4-(t-butylphenyl)sulfenyl] carbamoyl] S-lower alkyl thiolacetohydroximate compounds exhibit outstanding activity for combating insects and mites and extremely low levels of toxicity to warm blooded creatures coupled with markedly reduced phytotoxicity as compared to closely related prior art compounds.
    Type: Grant
    Filed: May 21, 1975
    Date of Patent: December 21, 1976
    Assignee: Union Carbide Corporation
    Inventors: John A. Durden, Jr., Anthony A. Sousa
  • Pesticidal compositions and methods of killing pests using N-polyhalo-alkanesulfenyl carbamoyloximino di-sulfur containing heterocyclic compounds
    Patent number: 3992549
    Abstract: Certain N-polyhaloalkanesulfenyl carbamoyloximino di-sulfur containing heterocyclic compositions have exceptional pesticidal properties and low mammalian toxicity.
    Type: Grant
    Filed: May 25, 1973
    Date of Patent: November 16, 1976
    Assignee: Union Carbide Corporation
    Inventors: John A. Durden, Jr., Themistocles D. J. D'Silva
  • Carbamate pesticidal compositions
    Patent number: 3956500
    Abstract: Novel 1,3-oxathiolane and 1,4-oxathiane carbamoyloximes have been found to have exceptional miticidal, insecticidal and nematocidal activity.
    Type: Grant
    Filed: April 3, 1973
    Date of Patent: May 11, 1976
    Assignee: Union Carbide Corporation
    Inventors: John A. Durden, Jr., Arthur P. Kurtz
  • 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