Patents by Inventor Robert C. Pearce

Robert C. Pearce 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).

  • Patent number: 5775026
    Abstract: A bait station for attracting and killing insects with a nithiazine-type insecticide is constructed in a substantially flat configuration, with the insecticide formulated as a solid coating on the surface of a solid sheet of moisture-free nonabsorptive material, the station further containing one or more ampoules of an attractant composition. The coated sheet and ampoules are held in a housing, with the ampoules in a compressible portion of the housing permitting them to be manually broken to discharge their contents on command, the housing containing appropriately positioned openings to both expose the insecticide surface and to permit release of the attractant vapors.
    Type: Grant
    Filed: March 29, 1996
    Date of Patent: July 7, 1998
    Assignee: Novartis AG
    Inventors: Robert C. Pearce, Robby C. Murdock, Amy E. Thompson, Scott M. Reed, Don E. Wallace
  • Patent number: 5747054
    Abstract: Plaster formulations of agricultural and pest control chemicals which form slow release briquets in situ.
    Type: Grant
    Filed: March 8, 1993
    Date of Patent: May 5, 1998
    Inventors: Kim W. Yang, George J. Junginger, Raymond G. Mockridge, Robert C. Pearce, III
  • Patent number: 5396730
    Abstract: A point source insect control device which comprises a frangible container poorly permeable to gases and liquids containing a liquid insecticidal substance capable of translocation; a sheet of absorbent material at least one portion of which at least partially surrounds or is in close proximity with the container, and an enclosure for the container and absorbent sheet which bears multiple perforations or apertures sufficient to allow translocation of the insecticidal substances once the frangible container is ruptured.
    Type: Grant
    Filed: June 23, 1994
    Date of Patent: March 14, 1995
    Assignee: Sandoz Ltd.
    Inventors: Douglas N. VanGundy, Lloyd T. Tate, Eric P. Duffey, Robert C. Pearce, III
  • Patent number: 5066482
    Abstract: The invention relates to novel compositions and methods for controlling cockroach populations using the (S)-(+) enantiomer of hydroprene.
    Type: Grant
    Filed: May 4, 1990
    Date of Patent: November 19, 1991
    Assignee: Sandoz Ltd.
    Inventors: Gustave K. Kohn, Robin R. Rudolph, Gerardus B. Staal, David L. Grant, Robert C. Pearce, Barbara A. Herbst
  • Patent number: 4823986
    Abstract: Time-delayed propellant device for release of an active agent from the device by materials which are susceptible to displacement by various actuating factors in the propellant device.
    Type: Grant
    Filed: February 10, 1988
    Date of Patent: April 25, 1989
    Assignee: Sandoz Ltd.
    Inventor: Robert C. Pearce, III
  • Patent number: 4536388
    Abstract: A pest control device, such as an ear tag, for controlling pests such as flies, fleas and ticks on animals such as cattle and other livestock or pet animals which comprises a polymeric resin matrix and the pesticidally active compound .alpha.-cyano-3-phenoxybenzyl 2-(2-chloro-4-trifluoromethylanilino)-3-methylbutanoate.
    Type: Grant
    Filed: July 18, 1983
    Date of Patent: August 20, 1985
    Assignee: Zoecon Corporation
    Inventor: Robert C. Pearce, III