Patents Assigned to Calliope
  • Device for diffusing in the soil volatile treating products
    Patent number: 6698367
    Abstract: A device is provided for diffusing volatile treatment products into the soil. The device includes a mount frame. Pumps are provided on the mount frame for pumping the products contained in storage compartments. Feeding circuits are arranged with the pumps and connect the storage compartments to a manifold. A diffusing tube is formed on a coulter of a tractor and is connected to the outlet of the manifold to diffuse in the soil a gas stream derived from the reaction of the treatment products when the coulter is introduced into the soil.
    Type: Grant
    Filed: June 26, 2002
    Date of Patent: March 2, 2004
    Assignee: Calliope
    Inventor: Daniel L. Decouzon
  • Insecticide based on a virus from the baculovirus group, and use thereof for the destruction of phthorimaea operculella
    Patent number: 5091179
    Abstract: The invention is a method for destroying Phthorimaea operculella by causing the Phthorimaea operculella to ingest the baculorirus of the nuclear polyhedrose of the noctuid Mamestra brassicae.
    Type: Grant
    Filed: December 9, 1988
    Date of Patent: February 25, 1992
    Assignee: Calliope S.A.
    Inventors: Gerard A. Biache, Michel R. Guillon
  • Method for the biological fight against the crop ravaging insect, Plutella xylostella, using a nuclear polyhedrose and at least one synthetic pyrethrinoid
    Patent number: 5075111
    Abstract: The present invention provides a method for the biological fight against the crop ravaging insect, Plutella xylostella, which consists of treating said crops with Mamestra brassicae nuclear polyhedrose and at least one synthetic pyrethrinoid.
    Type: Grant
    Filed: April 26, 1989
    Date of Patent: December 24, 1991
    Assignee: Calliope S.A.
    Inventor: Gerard Biache