Patents Represented by Attorney W. R. Moran

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  • Process for the preparation of carbofuran
    Patent number: 4463184
    Abstract: A novel process is provided for the preparation of carbofuran and certain intermediate products. 1,2-Cyclohexanedione is alkylated with a beta-methallyl compound and the resulting product subjected to a Claisen rearrangement/aromatization to provide the carbofuran phenol. Reaction of the phenol with methyl isocyanate converts the phenol to the desired carbofuran.
    Type: Grant
    Filed: September 30, 1982
    Date of Patent: July 31, 1984
    Assignee: Union Carbide Corporation
    Inventor: David A. Hunt
  • Insecticidal bicyclooxyphenyl ureas
    Patent number: 4426385
    Abstract: Novel bicyclooxyphenyl ureas, such as 1-(bicyclooxyphenyl)-benzoyl ureas, are provided which exhibit pesticidal activity. The compositions are conveniently prepared by reacting an isocyanate with either an amide or a bicyclooxyaniline.
    Type: Grant
    Filed: September 28, 1981
    Date of Patent: January 17, 1984
    Assignee: Union Carbide Corporation
    Inventor: Paul A. Cain
  • Process for preparing 2,5-dichloro-3-nitrobenzoic acid from 2,5-dichloro-3-nitro-p-xylene
    Patent number: 4423245
    Abstract: A process for the production of 2,5-dichloro-3-nitrobenzoic acid which comprises reacting 2,5-dichloro-3-nitro-p-xylene in a saturated aliphatic carboxylic acid solvent with oxygen at elevated temperature and pressure in the presence of a catalyst system which comprises a transition metal oxidation catalyst and a bromine promoter.
    Type: Grant
    Filed: January 18, 1982
    Date of Patent: December 27, 1983
    Assignee: Union Carbide Corporation
    Inventor: Young-Jin Lee
  • Novel derivatives of bicyclic 2-iminothiazolidine oximes
    Patent number: 4405632
    Abstract: Novel derivatives of bicyclic 2-iminothiazolidine oximes and methods of preparing same. This invention is also directed to an insecticidal composition comprising an acceptable carrier and an insecticidally effective amount of a compound of this invention, as well as to a method of controlling insects which comprises subjecting the insects to an insecticidally effective amount of a compound of this invention.
    Type: Grant
    Filed: June 27, 1980
    Date of Patent: September 20, 1983
    Assignee: Union Carbide Corporation
    Inventors: Dean F. Bushey, Themistocles D. J. D'Silva
  • Pesticidal symmetrical bis-sulfenylated-bis carbamate compounds
    Patent number: 4400389
    Abstract: Bis-sulfenylated bis-carbamate compounds exhibit activity against insect and mite pests.
    Type: Grant
    Filed: May 8, 1978
    Date of Patent: August 23, 1983
    Assignee: Union Carbide Corporation
    Inventor: Themistocles D. J. D'Silva
  • Process for the preparation of organothioaldoxime compounds
    Patent number: 4391759
    Abstract: An improved process for preparing 1-organothioaldoxime compounds by reacting an aldoxime or .alpha.-hydroxyiminoketone with an alkaline hypohalite in an acidic medium and reacting the resulting 1-haloaldoxime with the alkali metal salt of a mercaptan, said acidic medium comprising an acid added in an amount of from about 0.5 to about 4.0 equivalents for each mole of alkaline hypohalite used.
    Type: Grant
    Filed: March 25, 1981
    Date of Patent: July 5, 1983
    Assignee: Union Carbide Corporation
    Inventor: John K. Chan
  • Process for producing 2,5-dichloro-p-xylene
    Patent number: 4334112
    Abstract: Reaction of ferric chloride with 2-chloro-p-xylene yields dichloro-p-xylene having a high ratio of 2,5-dichloro-p-xylene isomer to 2,3-dichloro-p-xylene isomer.
    Type: Grant
    Filed: October 5, 1978
    Date of Patent: June 8, 1982
    Assignee: Union Carbide Corporation
    Inventor: Young-Jin Lee
  • Pesticidal symmetrical N-substituted bis-carbamoyloximino disulfide compounds
    Patent number: 4327110
    Abstract: Symmetrical N-substituted bis-carbamoyloximino disulfide compounds exhibit outstanding nematocidal, miticidal and insecticidal activity, coupled with substantially reduced mammalian toxicity and phytotoxicity as compared to known pesticidal compounds having a comparable spectrum of activity against insect, arachnid and nematode pests.
    Type: Grant
    Filed: March 28, 1977
    Date of Patent: April 27, 1982
    Assignee: Union Carbide Corporation
    Inventor: Themistocles D. J. D'Silva