Patents Represented by Attorney J. W. Hogan, Jr.
  • Patent number: 5354944
    Abstract: 4-Carboxy-2-aryloxyphenoxyalkyl substituted heterocycle compounds which are effective for the selective control of grass weed species in the presence of crops are described. Also described are a method for the selective herbicidal use of the compounds and methods for their preparation.
    Type: Grant
    Filed: January 25, 1993
    Date of Patent: October 11, 1994
    Assignee: American Cyanamid Company
    Inventors: Robert L. Arotin, Michael Anthony
  • Patent number: 5348948
    Abstract: There are provided fungicidal 2,2-diaryl-1-(oxa and thia)-2a-azonia-2-borataacenaphthene compounds having the structural formula ##STR1## Further provided are compositions and methods comprising those compounds for the protection of plants from fungal infestation and disease.
    Type: Grant
    Filed: May 7, 1993
    Date of Patent: September 20, 1994
    Assignee: American Cyanamid Company
    Inventor: Bomi P. Patel
  • Patent number: 5334576
    Abstract: There are provided novel 5(and/or 6)substituted 2-(2-imidazolin-2-yl) and 2-(2-imidazolidinyl)nicotinic acids, esters and salts, which are useful as herbicidal agents. There are also provided novel substituted pyrrolopyridine acetonitriles, pyrrolopyridine acetamides, imidazopyrrolopyridinediones and carbamoylnicotinic acid esters, that are useful as intermediates for the preparation of the above said herbicidal agents.
    Type: Grant
    Filed: March 23, 1992
    Date of Patent: August 2, 1994
    Assignee: American Cyanamid Company
    Inventors: Robert F. Doehner, Jr., David W. Ladner, John M. Finn
  • Patent number: 5310938
    Abstract: This invention relates to methods and compositions for treating, controlling, preventing and protecting warm-blooded animals from infestation and infection by helminths, acarids and arthropod endo- and ectoparasites by administering or applying to the animals a substituted arylpyrrole compound.
    Type: Grant
    Filed: July 13, 1993
    Date of Patent: May 10, 1994
    Assignee: American Cyanamid Company
    Inventors: Dale G. Brown, Robert E. Diehl, Donald P. Wright, Jr., Jack K. Siddens, deceased
  • Patent number: 5284955
    Abstract: There are provided crystalline substituted-2,3-dicarboxypyridinium nitrate salts, the preparation thereof and the use thereof in the isolation and purification of important substituted pyridinedicarboxylic acid herbicide intermediates.
    Type: Grant
    Filed: October 28, 1992
    Date of Patent: February 8, 1994
    Assignee: American Cyanamid Company
    Inventor: Henry L. Strong
  • Patent number: 5283335
    Abstract: There are provided o-carboxy-(5-oxo-2-imidazolin-2-yl)benzo-(6-membered)-heterocyclic compounds which contain one, two or three heteroatoms and derivatives thereof and a method for the use therewith to control monocotyledenous and dicotyledenous plant species.
    Type: Grant
    Filed: March 10, 1992
    Date of Patent: February 1, 1994
    Assignee: American Cyanamid Company
    Inventor: Robert F. Doehner, Jr.
  • Patent number: 5281719
    Abstract: Bis- and tris(trifluoromethyl)arylpyrrole compounds which are effective for the control of insects and acarids are described. A method for the insecticidal and acaricidal use of said compounds and methods for the preparation of said compounds are presented.
    Type: Grant
    Filed: April 23, 1993
    Date of Patent: January 25, 1994
    Assignee: American Cyanamid Company
    Inventors: Venkataraman Kameswaran, Victor M. Kamhi