Patents by Inventor Virendra Bhikhabhai Patel

Virendra Bhikhabhai Patel 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).

  • Catalyst useful for removal of hydrogen sulphide from gas stream and its conversion to sulphur, a process for preparing such catalyst and a method for removing of hydrogen sulphide using said catalyst
    Patent number: 7396522
    Abstract: The present invention relates to a catalyst useful for removal of hydrogen sulphide from gas streams and its conversion to sulphur, a process for preparing such catalyst and a method for removing of hydrogen sulphide using said catalyst.
    Type: Grant
    Filed: December 5, 2003
    Date of Patent: July 8, 2008
    Inventors: Jayalekshmy Ayyer, Pradipkumar Maheshchandra Shah, Virendra Bhikhabhai Patel
  • Process for generation of finely divided calcium carbonate from calcium carbonate rich industrial by-product
    Patent number: 6761864
    Abstract: An environmentally friendly process for the production of finely divided calcium carbonate suitable for industrial application from a calcium carbonate-rich by-product of nitrophosphate fertilizer plant by adopting purification steps of thermal treatment, pulverization and coating using an emulsion of a fatty acid or it's a fatty acid derivatives.
    Type: Grant
    Filed: October 31, 2001
    Date of Patent: July 13, 2004
    Assignees: Council of Scientific and Industrial Research, Gujarat Narmada Valley Fertilizer Co. Ltd.
    Inventors: Raksh Vir Jasra, Pravinchandra Mahasukhray Oza, Rajesh Shantilal Somani, Jatin Rameshchandra Chunnawala, Mrunal Vinodbhai Sheth, Vikram Vinodrai Thakkar, Yogiraj Mansukhlal Badheka, Jayalekshmy Ayyer, Virendra Bhikhabhai Patel
  • Process for generation of finely divided calcium carbonate from calcium carbonate rich industrial by-product
    Publication number: 20030099591
    Abstract: An environmental friendly process for the production of finely divided calcium carbonate suitable for industrial application from calcium carbonate rich by-product of nitrophosphate fertiliser plant by adopting purification steps of thermal treatment, pulverization and coating using emulsion of fatty acid or its derivatives.
    Type: Application
    Filed: October 31, 2001
    Publication date: May 29, 2003
    Inventors: Raksh Vir Jasra, Pravinchandra Mahasukhray Oza, Rajesh Shantilal Somani, Jatin Rameshchandra Chunnawala, Mrunal Vinodbhal Sheth, Vikram Vinodrai Thakkar, Yogiraj Mansukhlal Badheka, Jayalekshmy Ayyer, Virendra Bhikhabhai Patel