Patents by Inventor Sandeep Prabhu Kumble

Sandeep Prabhu Kumble 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 cyclodextrin inclusion complex
    Patent number: 6635757
    Abstract: The present invention relates to a process for the preparation of a water soluble inclusion complex of neem seed kernel extract (NSKE) containing azadirachtin-A in cyclodextrin and its use in an insecticidal formulation. The process of the present invention comprises the following steps adding neem seed kernel extract containing azadirachtin-A to cyclodextrin, the molar ratio of azadirachtin-A to the cyclodextrin ranging from 1:0.5 to 1:20, stirring the above mixture, filtering the above mixture to obtain a water soluble inclusion complex of neem seed kernel extract, if desired, freeze/spray drying the said water soluble complex of neem seed kernel extract to get a free flowing pale cream powder.
    Type: Grant
    Filed: September 14, 2001
    Date of Patent: October 21, 2003
    Assignee: Vittal Mallya Scientific Research Foundation
    Inventors: Sandeep Prabhu Kumble, Ramaswamy SambasivamAnnadurai, Malladi Srinivas, Alapati Srinivasa Rao, Candadai Seshardi Ramadoss, Pillarisetti Venkata Subba Rao