Patents by Inventor Gauri Shankar Jha

Gauri Shankar Jha 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 polymerisation of diethylene glycol bis allyl carbonate
    Patent number: 7923484
    Abstract: A process for polymerization of diethylene glycol bis allyl carbonate which may advantageously be employed for producing plastic lenses having a low refractive index comprising in the step of subjecting diethylene glycol bis allyl carbonate to the step of gamma radiation in the presence of diiso propyl peroxydicarbonate as a catalyst.
    Type: Grant
    Filed: January 16, 2006
    Date of Patent: April 12, 2011
    Assignee: Shriram Institute for Industrial Reasearch
    Inventors: Rakesh Kumar Khandal, Geetha Seshadri, Gauri Shankar Jha
  • Process for Polymerisation of Diethylene Glycol Bis Allyl Carbonate
    Publication number: 20080182916
    Abstract: A process for polymerization of diethylene glycol bis allyl carbonate which may advantageously be employed for producing plastic lenses having a low refractive index comprising in the step of subjecting diethylene glycol bis allyl carbonate to the step of gamma radiation in the presence of diiso propyl peroxydicarbonate as a catalyst.
    Type: Application
    Filed: January 16, 2006
    Publication date: July 31, 2008
    Applicant: SHRIRAM INSTUTUTE FOR INDUSTRIAL RESEARCH
    Inventors: Rakesh Kumar Khandel, Geetha Seshadri, Gauri Shankar Jha