Patents by Inventor Parthasarathy Ganguly

Parthasarathy Ganguly 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 preparation of lithium stanates doped with transition metal cations
    Patent number: 5461013
    Abstract: A process for the preparation of ceramic material Lithium stannate doped with a transition metal for a humidity sensor mixes a salt of Lithium with SnO.sub.2 in dry condition, thereafter mixes in wet conditions using an organic solvent, adds a transition metal compound to the resulting mixture, mixes the mixture thoroughly, drys and compacts the mixture in the range of 5000 to 8000 lbs and heats the pellets so formed at a temperature in the range of 600.degree. to 800.degree. C. for a period in the range of 6 to 12 hours followed by slow cooling to room temperature.
    Type: Grant
    Filed: March 30, 1994
    Date of Patent: October 24, 1995
    Assignee: Council of Scientific & Industrial Research
    Inventors: Kunjukrishna P. Vijaymohan, Imtiaz S. Mulla, Parthasarathy Ganguly