Patents by Inventor John F. Koerwer

John F. Koerwer 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).

  • Tetrahydrotriazines for aquatic herbicidal use
    Patent number: 4498920
    Abstract: Aquatic herbicidal compositions including tetrahydrotriazine compounds as the active toxicant. The invention also covers a method for the control of aquatic plant life which method utilizes as the active ingredient a tetrahydrotriazine compound.
    Type: Grant
    Filed: December 28, 1979
    Date of Patent: February 12, 1985
    Assignee: Union Carbide Corporation
    Inventor: John F. Koerwer
  • Enol derivatives of 2-aryl-1,3-cyclohexanedione compound as sugar enhancer for plants
    Patent number: 4351666
    Abstract: A method for increasing the sugar content of plants by applying to such plants an effective amount of an enol derivative of 2-aryl-1,3-cyclohexanedione compound.
    Type: Grant
    Filed: June 27, 1980
    Date of Patent: September 28, 1982
    Assignee: Union Carbide Corporation
    Inventor: John F. Koerwer
  • Substituted 3-hydroxy-2-cyclohexene-1-one compounds as sugar enhancers for plants
    Patent number: 4334913
    Abstract: A method for increasing the sugar content of plants by applying to such plants an effective amount of a substituted 3-hydroxy-2-cyclohexene-1-one.
    Type: Grant
    Filed: March 31, 1981
    Date of Patent: June 15, 1982
    Assignee: Union Carbide Corporation
    Inventor: John F. Koerwer
  • Pyridyloxy-phenoxyalkane carboxylic acids and derivatives as sugar enhancers for plants
    Patent number: 4280832
    Abstract: A method for increasing the sugar content of plants by applying to such plants an effective amount of a pyridyloxy-phenoxyalkane carboxylic acid or derivative thereof.
    Type: Grant
    Filed: March 25, 1980
    Date of Patent: July 28, 1981
    Assignee: Union Carbide Corporation
    Inventor: John F. Koerwer
  • Phenoxy-phenoxyalkane carboxylic acids and derivatives as sugar enhancers for plants
    Patent number: 4276080
    Abstract: A method for increasing the sugar content of plants by applying to such plants an effective amount of a phenoxy-phenoxyalkane carboxylic acid or derivative thereof.
    Type: Grant
    Filed: March 25, 1980
    Date of Patent: June 30, 1981
    Assignee: Union Carbide Corporation
    Inventor: John F. Koerwer