Patents Assigned to Gujarat Narmada Valley Fertilizer Company Limited
  • 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