Patents by Inventor Chandra Mohen Pant

Chandra Mohen Pant 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).

  • Extraction method
    Patent number: 7179927
    Abstract: There is disclosed a method for treating a source of azadirachtin: (a) dissolving said sample in an organic polar solvent; (b) combining the solution of step (a) with an organic non-polar solvent to form a single phase containing the said solvents and dissolved sample; (c) treating said single phase of step (b) with an aqueous salt solution to form an aqueous phase and a phase containing the organic non-polar solvent; and (d) recovering one or other or both of the aqueous phase and the phase containing the organic polar solvent.
    Type: Grant
    Filed: October 15, 2001
    Date of Patent: February 20, 2007
    Inventors: David Michael Williams, Chandra Mohen Pant
  • Extraction method
    Publication number: 20040116719
    Abstract: There is disclosed a method for treating a source of azadirachtin: (a) dissolving said sample in an organic polar solvent; (b) combining the solution of step (a) with an organic non-polar solvent to form a single phase containing the said solvents and dissolved sample; (c) treating said single phase of step (b) with an aqueous salt solution to form an aqueous phase and a phase containing the organic non-polar solvent; and (d) recovering one or other or both of the aqueous phase and the phase containing the organic polar solvent.
    Type: Application
    Filed: January 6, 2004
    Publication date: June 17, 2004
    Inventors: David Michael Williams, Chandra Mohen Pant