Patents by Inventor Rumi Kataky

Rumi Kataky 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 the oxidation of pseudodiosgenin diacetate to diosone for the production of 16-dehydropregnenolone acetate
    Patent number: 6160139
    Abstract: The invention relates to a process for the production of 16-dehydropregnenolone acetate of the formula ##STR1## comprising the oxidation of pseudodiosgenin diacetate in the presence of a phase transfer catalyst at a temperature between 0-15.degree. C. to produce diosone followed by the hydrolysis and degradation of diosone to produce 16-dehydropregnenolone acetate.
    Type: Grant
    Filed: March 26, 1998
    Date of Patent: December 12, 2000
    Assignee: Council of Scientific & Industrial Research
    Inventors: Amrit Goswami, Rumi Kataky, Ramesh Chandra Rastogi, Anil C. Ghosh