Patents by Inventor Vikram V. Thakkar

Vikram V. Thakkar 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 generation of precipitated calcium carbonate from calcium carbonate rich industrial by-product
    Patent number: 6790424
    Abstract: An environmentally friendly process for the production of precipitated calcium carbonate suitable for industrial application from a calcium carbonate-rich by-product of a nitrophosphate fertilizer plant. The process employs purification steps of calcination, carbonation and optional treatment with an emulsion of fatty acid or fatty acid derivatives.
    Type: Grant
    Filed: October 31, 2001
    Date of Patent: September 14, 2004
    Assignees: Council of Scientific and Industrial Research, Gujarat Narmada Valley Fertilizer Company Limited
    Inventors: Raksh Vir Jasra, Pravinchandra M. Oza, Rajesh S. Somani, Jatin R. Chunnawala, Mrinal V. Sheth, Vikram V. Thakkar, Yogi M. Badheka, Jayalekshmy Ayyer, Virendra B. Patel
  • Process for generation of precipitated calcium carbonate from calcium carbonate rich industrial by-product
    Publication number: 20030082091
    Abstract: An environmental friendly process for the production of precipitated calcium carbonate suitable for industrial application from calcium carbonate rich by-product of nitrophosphate fertilizer plant by adopting purification steps of calcination, carbonation and optional treatment with emulsion of fatty acid or its derivatives.
    Type: Application
    Filed: October 31, 2001
    Publication date: May 1, 2003
    Inventors: Raksh Vir Jasra, Pravinchandra M. Oza, Rajesh S. Somani, Jatin R. Chunnawala, Mrinal V. Sheth, Vikram V. Thakkar, Yogi M. Badheka, Jayalekshmy Ayyer, Virendra B. Patel