Patents by Inventor Vinay Vijayraj Thakur

Vinay Vijayraj Thakur 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 conversion of phenol to hydroquinone and quinones
    Patent number: 6872857
    Abstract: The present invention relates to a process for the conversion of phenol to hydroquinone and quinones. More particularly this invention relates to a process for the oxidation of phenol to a mixture of 1,4-benzoquinone and hydroquinone using an oxidant in the presence of titanium superoxide as a reusable catalyst in a liquid phase condition.
    Type: Grant
    Filed: September 29, 2003
    Date of Patent: March 29, 2005
    Assignee: Council of Scientific and Industrial Research
    Inventors: Gajanan Kundali Dewkar, Vinay Vijayraj Thakur, Sanjeevani Amrit Pardhy, Arumugam Sudalai, Sukumar Devotta
  • Catalytic process for regiospecific chlorination of alkanes, alkenes and arenes
    Patent number: 6825383
    Abstract: The present invention provides a process for regiospecific chlorination of an aromatic or aliphatic compound with a chlorine source comprising a metal chloride and other than Cl2 and SO2Cl2 in presence of hypervalent iodine catalyst and in acidic medium.
    Type: Grant
    Filed: September 22, 2003
    Date of Patent: November 30, 2004
    Assignee: Council of Scientific and Industrial Research
    Inventors: Gajanan Kundalik Dewkar, Vinay Vijayraj Thakur, Sanjeevani Amrit Pardhy, Arumugam Sudalai, Sukumar Devotta