Patents by Inventor Sadanand G. Memula

Sadanand G. Memula 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: 5464623
    Abstract: Insecticidal pellet compositions of N-hydrocarboyl phosphoroamidothioates and phosphoroamidodithioates are provided. These compositions have improved odor control, thermal stability, attrition resistance, bulk density and handling characteristics over the powdered forms of the insecticides. Methods are provided for making such pellets, and in particular, an extrusion method is provided in which the dry insecticidal composition is mixed with from 3-25% of a solvent to form a consistency of damp sandy loam and then extruded.
    Type: Grant
    Filed: August 18, 1989
    Date of Patent: November 7, 1995
    Assignee: Chevron Research Company
    Inventors: Jimmy H. Chan, Rodrick I. Satre, James H. Trusler, Sadanand G. Memula