Patents Represented by Attorney E. J. Tsevdos

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  • Novel method for the preparation of quinoline-2,3-dicarboxylic
    Patent number: 5001254
    Abstract: The present invention relates to novel methods for the preparation of quinoline-2,3-dicarboxylic acid, useful for the preparation of the highly effective 2-(2-imidazolin-2-yl)quinoline-3-carboxylic acid herbicidal agents.
    Type: Grant
    Filed: May 19, 1988
    Date of Patent: March 19, 1991
    Inventor: Donald R. Maulding
  • Substituted nitro and cyanoguanidines and their use of increasing crop yields
    Patent number: 4594092
    Abstract: Novel substituted phenyl and benzyl nitroguanidine and phenyl and benzyl cyanoguanidine compounds. Methods for increasing crop yield, inhibiting lodging of graminaceous crops, and inducing cytokinin-like responses in crop plants with said novel guanidine compounds and derivatives thereof, as well as methods for inhibiting deterioration and/or extending the shelf life of harvested fruit, vegetables, and ornamentals are disclosed.
    Type: Grant
    Filed: November 17, 1983
    Date of Patent: June 10, 1986
    Assignee: American Cyanamid Company
    Inventors: Laurine M. Speltz, Bryant L. Walworth, Alexander D. Pavlista
  • Cold stabilization of aqueous herbicidal compositions with urea
    Patent number: 4529436
    Abstract: Aqueous herbicidal compositions containing urea and methods of preparations thereof. These compositions are characterized by increased resistance to precipitation of the toxicant at temperatures at or below the freezing point of water. When these solutions are returned to room temperature after being partially or completely frozen, stability of components is maintained.
    Type: Grant
    Filed: May 4, 1983
    Date of Patent: July 16, 1985
    Assignee: American Cyanamid Company
    Inventor: Nunzio R. Pasarela
  • Method for the preparation of water dispersible granular herbicidal compositions with increased thermal stability
    Patent number: 4511395
    Abstract: The present invention relates to a process for the preparation of water dispersible granular herbicidal compositions with increased thermal stability, which contain low melting substituted dinitroaniline compounds.
    Type: Grant
    Filed: December 20, 1982
    Date of Patent: April 16, 1985
    Assignee: American Cyanamid Company
    Inventor: John Misselbrook
  • Diethylcarbamazine resinate and styrylpyridinium resinate-diethylcarbamazine resinate edible anthelmintic tablets for companion animals
    Patent number: 4442086
    Abstract: There are provided palatable anthelmintic resinate compositions for companion animals, containing anthelmintically effective amounts of a styrylpyridinium compound and/or an N,N-dialkylpiperazine carboxamide.
    Type: Grant
    Filed: March 3, 1981
    Date of Patent: April 10, 1984
    Assignee: American Cyanamid Company
    Inventor: James M. Quinlan