Patents by Inventor Fred L. Wright

Fred L. Wright 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).

  • Use of gametocidal pyrazoles to produce hybrid seed
    Patent number: 4966623
    Abstract: Use of a 4,5-dicarboxy or 5-carboxamido-4-carboxy (or derivatized carboxy)-1-(3,5-disubstituted-phenyl)pyrazole in the production of hybrid seed, and a method for producing 5-carboxamido-4-carboxy-1-(3,5-dimethylphenyl)pyrazole.
    Type: Grant
    Filed: September 11, 1989
    Date of Patent: October 30, 1990
    Inventors: Stephen A. Ackmann, James R. Beck, Fred L. Wright
  • Process for preparing 4-carboxy-1-(3,5-dimethylphenyl)-5-pyrazolecarboxamide
    Patent number: 4902808
    Abstract: Use of a 4,5-dicarboxy or 5-carboxamido-4-carboxy (or derivatized carboxy)-1-(3,5-disubstituted-phenyl)pyrazole in the production of hybrid seed, and a method for producing 5-carboxamido-4-carboxy-1-(3,5-dimethylphenyl)pyrazole.
    Type: Grant
    Filed: November 14, 1988
    Date of Patent: February 20, 1990
    Assignee: Eli Lilly and Company
    Inventors: Stephen A. Ackmann, James R. Beck, Fred L. Wright
  • 1-phenylpyrazole-4,5-dicarboxylic acid derivatives, composition containing them, and pollen formation inhibiting method of using them
    Patent number: 4801326
    Abstract: Pollen formation in cereal grain plants is inhibited by application of a 4,5-dicarboxy or 5-carboxamido-4-carboxy (or derivatized carboxy)-1-(3,5-disubstitutedphenyl)pyrazole. Use of the compounds facilitates the production of hybrid seed.
    Type: Grant
    Filed: January 15, 1988
    Date of Patent: January 31, 1989
    Assignee: Eli Lilly and Company
    Inventors: Stephen A. Ackmann, James R. Beck, Fred L. Wright