Patents by Inventor Michael D. Drozdick

Michael D. Drozdick 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).

  • Dry reactive processing
    Patent number: 5070197
    Abstract: A method of preparing a water-soluble or water-dispersible pesticidal composition is described. The pesticidal composition is prepared in a continuous process by intimately mixing a Bronsted acid precursor of the pesticidally active compound with a Bronsted base under reaction conditions in an extruder. The reaction is performed with minimal solvent and under conditions where the water of reaction volatilizes during the course of the reaction.
    Type: Grant
    Filed: April 12, 1989
    Date of Patent: December 3, 1991
    Assignee: Uniroyal Chemical Company, Inc.
    Inventors: James Chin, James B. Marshall, Michael D. Drozdick, Fred C. Rosa, Frederick D. Judge