Patents by Inventor Hemal Narendrakumar Ranpara

Hemal Narendrakumar Ranpara 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
    Patent number: 7335342
    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. The process comprises, reacting Kimberlite tailing with mineral acid to remove acid soluble impurities followed by digesting acid treated Kimberlite tailing with alkali solution in a open or closed system to obtain sodium silicate useful for commercial applications.
    Type: Grant
    Filed: March 14, 2006
    Date of Patent: February 26, 2008
    Assignee: Council of Scientific and Industrial Research
    Inventors: Raksh Vir Jasra, Hari Chand Bajaj, Rajesh Shantilal Somani, Haresh Mahipatlal Mody, Jatin Rameshchandra Chunawala, Devendra Lalijibhai Ghelani, Hemal Narendrakumar Ranpara, Dipti Jivanbhai Barochiya, Suresh Chandra, Maharaj Kishan Dhar, C. Kesava Rao, Kamlesh Kumar