Patents by Inventor M. Dhar

M. Dhar 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 sodium silicate from Kimberlite tailing
    Publication number: 20070104634
    Abstract: In the present invention a process for the preparation of sodium silicate from Kimberlite tailing generated as solid waste during diamond mining is disclosed.
    Type: Application
    Filed: March 14, 2006
    Publication date: May 10, 2007
    Inventors: Raksh Jasra, Hari Bajaj, Rajesh Somani, Haresh Mody, Jatin Chunawala, Devendra Ghelani, Hemal Ranpara, Dipti Barochiya, Suresh Chandra, M. Dhar, C. Rao, Kamlesh Kumar
  • Process for preparing detergent builder zeolite-a from kimberlite tailings
    Publication number: 20060140853
    Abstract: The present invention provides a process for the preparation of detergent builder Zeolite-A from Kimberlite tailing generated as solid waste during diamond mining is disclosed. The process comprises, reacting an acid treated Kimberlite tailing with alkali solution to obtain sodium silicate and reacting it with alkaline aluminium source at room temperature and crystallizing at higher temperature to obtain Zeolite-A. The product is useful as builder in detergent formulation.
    Type: Application
    Filed: December 27, 2004
    Publication date: June 29, 2006
    Applicants: Council of Scientific and Industrial Research, National Mineral Development Corporation
    Inventors: Raksh Jasra, R. S. Somani, H. M. Mody, Hari Bajaj, J. Chunawala, Hemal Ranpara, Dipti Barochiya, Devendra Ghelani, Suresh Chandra, M. Dhar, Keshav Rao, Kamlesh Kumar