Patents by Inventor Vilas Tathavadkar

Vilas Tathavadkar 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).

  • Publication number: 20250109030
    Abstract: Provided herein is a process for producing a high-purity alumina, comprising the steps of: (a) sublimation of anhydrous aluminium chloride at a predetermined temperature to recover pure aluminium chloride; (b) dissolving aluminium chloride from step (a) in water to obtain aluminium chloride solution; (c) introducing HCl gas into aluminium chloride solution of step (b) to crystallize aluminium chloride hexahydrate; and (d) calcining aluminium chloride hexahydrate of step (c) to obtain high purity alumina.
    Type: Application
    Filed: January 19, 2023
    Publication date: April 3, 2025
    Inventors: Chandrakala KARI, Mangesh JADHAV, Ranga RAO, Vilas TATHAVADKAR
  • Patent number: 9346675
    Abstract: A system for the production of hydrogen from water in the presence of slag, comprising a graphite crucible containing molten slag; a reaction hood disposed over said crucible; a water line for spraying water on the molten slag in the crucible; and a steel tube for collecting and transferring the produced hydrogen gas from said hood into a condenser tank.
    Type: Grant
    Filed: March 9, 2012
    Date of Patent: May 24, 2016
    Assignee: Tata Steel Limited
    Inventors: Debashish Bhattacharjee, Tridibesh Mukharjee, Vilas Tathavadkar
  • Publication number: 20120171080
    Abstract: A system for the production of hydrogen from water in the presence of slag, comprising a graphite crucible containing molten slag; a reaction hood disposed over said crucible; a water line for spraying water on the molten slag in the crucible; and a steel tube for collecting and transferring the produced hydrogen gas from said hood into a condenser tank.
    Type: Application
    Filed: March 9, 2012
    Publication date: July 5, 2012
    Applicant: TATA STEEL LIMITED
    Inventors: Debashish Bhattacharjee, T. Mukharjee, Vilas Tathavadkar
  • Publication number: 20110027133
    Abstract: A system for producing hydrogen gas by the thermo-chemical decomposition of water, comprising a graphite crucible containing molten slag, a reaction hood disposed over the crucible, a water line for spraying water on the molten slag, and a steel tube for collecting and transferring the produced hydrogen gas from the hood to a condenser tank.
    Type: Application
    Filed: August 5, 2010
    Publication date: February 3, 2011
    Applicant: TATA STEEL LIMITED
    Inventors: Debashish Bhattacharjee, T. Mukharjee, Vilas Tathavadkar
  • Publication number: 20100111826
    Abstract: A novel method for producing hydrogen gas from water comprising adding water to the slag and carbonaceous flux to produce hydrogen by thermo-chemical decomposition of water.
    Type: Application
    Filed: June 13, 2006
    Publication date: May 6, 2010
    Applicant: Tata Steel Limited
    Inventors: Debashish Bhattacharjee, Tridibesh Mukharjee, Vilas Tathavadkar
  • Publication number: 20070110647
    Abstract: The present invention seeks to improve beneficiation of a titanium oxide-containing composition (such as a low-grade or highly radioactive TiO2 ore) by combining a roasting and selective leaching steps.
    Type: Application
    Filed: September 14, 2004
    Publication date: May 17, 2007
    Applicant: THE UNIVERISITY OF LEEDS
    Inventors: Animesh Jha, Vilas Tathavadkar