Patents by Inventor Dale J. Hansen

Dale J. Hansen 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).

  • Method for using nicotinic acid derivatives as plant growth regulants
    Patent number: 4347075
    Abstract: Aromatic acids having the following formula ##STR1## have been found to be effective plant growth regulants especially for the treatment of corn plants.
    Type: Grant
    Filed: October 20, 1980
    Date of Patent: August 31, 1982
    Assignee: Monsanto Company
    Inventors: Frederic G. Bollinger, John J. D'Amico, Dale J. Hansen
  • Substituted pyridyl phthalamic acids and their use as plant growth regulants
    Patent number: 4261730
    Abstract: Aromatic acids having the following formula ##STR1## have been found to be effective plant growth regulants especially for the treatment of corn plants.
    Type: Grant
    Filed: August 9, 1978
    Date of Patent: April 14, 1981
    Assignee: Monsanto Company
    Inventors: Frederic G. Bollinger, John J. D'Amico, Dale J. Hansen
  • Substituted phthalimides for regulating the growth of plants
    Patent number: 4124375
    Abstract: Certain substituted phthalimides have been found to be effective in regulating the growth of corn plants.
    Type: Grant
    Filed: October 12, 1977
    Date of Patent: November 7, 1978
    Assignee: Monsanto Company
    Inventors: Frederic G. Bollinger, John J. D'Amico, Dale J. Hansen
  • Use of phthalanilic acids to regulate the growth of corn plants
    Patent number: 4108632
    Abstract: Certain substituted phthalanilic acids and their salts have been found to alter sexual reproduction in corn plants.
    Type: Grant
    Filed: December 22, 1976
    Date of Patent: August 22, 1978
    Assignee: Monsanto Company
    Inventors: Frederic G. Bollinger, John J. D'Amico, Dale J. Hansen