Patents by Inventor Luann Pugh

Luann Pugh 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).

  • Process for preparing paste-extruded sulfonamide compositions
    Publication number: 20060122060
    Abstract: Paste-extruded sulfonamide herbicide compositions having improved spray equipment clean-out properties are made by preparing a mixture comprising a sulfonamide herbicide free acid, at least about 50 equivalent % of an inorganic base relative to the sulfonamide herbicide free acid and sufficient water to form an extrudable paste, extruding the mixture to form an extrudate, and drying the extrudate.
    Type: Application
    Filed: September 9, 2003
    Publication date: June 8, 2006
    Inventors: Josephe Keenan, Luann Pugh, Robert Roche