Patents Represented by Attorney Ernest B. Lipscomb

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  • Sustained release pesticide compositions and process for making same
    Patent number: 4184866
    Abstract: A sustained release composition is disclosed which provides an improved carrier for an organic pesticide. The improved carrier is a reversibly swellable lignin gel made by cross-linking an alkali lignin with epichlorohydrin using particular conditions.
    Type: Grant
    Filed: May 28, 1975
    Date of Patent: January 22, 1980
    Assignee: Westvaco Corporation
    Inventors: Humbert T. Dellicolli, Peter Dilling