Patents by Inventor Barbara A. Leonhardt

Barbara A. Leonhardt 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).

  • PVC/twine dispenser for pheromones
    Patent number: 6372241
    Abstract: A novel dispenser for the release of insect attractants has been invented for baiting insect traps. The dispenser is comprised of a flexible support coated with a polyvinylchloride (PVC)-insect attractant mixture. A PVC/twine dispenser has been found to be particularly effective for the release of the gypsy moth pheromone, (+)-disparlure.
    Type: Grant
    Filed: May 24, 1994
    Date of Patent: April 16, 2002
    Assignee: The United States of America as represented by the Secretary of Agriculture
    Inventors: Barbara A. Leonhardt, E. David DeVilbiss, Victor C. Mastro
  • PVC/twine dispenser for (+)-disparlure
    Patent number: 5342618
    Abstract: A novel dispenser for the release of insect attractants has been invented for baiting insect traps. The dispenser is comprised of a flexible support coated with a polyvinylchloride (PVC)-insect attractant mixture. A PVC/twine dispenser has been found to be particularly effective for the release of the gypsy moth pheromone, (+)-disparlure.
    Type: Grant
    Filed: September 26, 1991
    Date of Patent: August 30, 1994
    Assignee: The United States of America, as represented by the Secretary of Agriculture
    Inventors: Barbara A. Leonhardt, E. David DeVilbiss, Victor C. Mastro
  • Additives useful as crystallization inhibitors and activity extenders for trimedlure, the mediterranean fruit fly attractant
    Patent number: 4761280
    Abstract: Certain esters of 4(and 5)-chloro-trans-2-methylcyclohexanecarboxylic acid act in a dual and advantageous capacity when added to the Mediterranean fruit fly attractant, trimedlure. They greatly reduce or eliminate crystallization of the solid trimedlure isomers that occurs on storage or use during cool weather and they significantly extend the attractive activity of trimedlure.
    Type: Grant
    Filed: September 8, 1986
    Date of Patent: August 2, 1988
    Assignee: The United States of America as represented by the Secretary of Agriculture
    Inventors: Terrence P. McGovern, Barbara A. Leonhardt, Roy T. Cunningham
  • Bagworm moth attractant and plant protectant
    Patent number: 4474755
    Abstract: The racemate of 1-methylbutyldecanoate is synthesized and found to be a powerful attractant under field conditions for male bagworm moths. It is also found to suppress or inhibit completely the mating of female bagworm moths when applied to trees and shrubs in an effective mating suppressant or inhibiting amount.
    Type: Grant
    Filed: November 29, 1982
    Date of Patent: October 2, 1984
    Assignee: The United States of America as represented by the Secretary of Agriculture
    Inventors: John W. Neal, Jr., Jerome A. Klun, Meyer Schwarz, Barbara A. Leonhardt