Patents by Inventor Paramasivan Rajasingh

Paramasivan Rajasingh 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).

  • SELECTIVE BROMINATION OF PERYLENE DIIMIDES AND DERIVATIVES THEREOF UNDER MILD CONDITIONS
    Publication number: 20150152106
    Abstract: The present invention is directed to novel process for the preparation of regioselective perylenediimides derivatives, specifically mono and dibrominated derivatives.
    Type: Application
    Filed: October 7, 2014
    Publication date: June 4, 2015
    Inventors: BORIS RYBTCHINSKI, PARAMASIVAN RAJASINGH, ELIJAH SHIRMAN
  • Selective bromination of perylene diimides and derivatives thereof under mild conditions
    Patent number: 8859772
    Abstract: The present invention is directed to novel process for the preparation of regioselective perylenediimides derivatives, specifically mono and dibrominated derivatives.
    Type: Grant
    Filed: February 20, 2013
    Date of Patent: October 14, 2014
    Assignee: Yeda Research and Development Co. Ltd.
    Inventors: Boris Rybtchinski, Paramasivan Rajasingh, Elijah Shirman
  • Selective bromination of perylene diimides and derivatives thereof under mild conditions
    Patent number: 8399670
    Abstract: The present invention is directed to novel process for the preparation of regioselective perylenediimides derivatives, specifically mono and dibrominated derivatives.
    Type: Grant
    Filed: May 6, 2008
    Date of Patent: March 19, 2013
    Assignee: Yeda Research and Development Co.Ltd
    Inventors: Boris Rybtchinski, Paramasivan Rajasingh, Elijah Shirman
  • SELECTIVE BROMINATION OF PERYLENE DIIMIDES AND DERIVATIVES THEREOF UNDER MILD CONDITIONS
    Publication number: 20100261901
    Abstract: The present invention is directed to novel process for the preparation of regioselective perylenediimides derivatives, specifically mono and dibrominated derivatives.
    Type: Application
    Filed: May 6, 2008
    Publication date: October 14, 2010
    Inventors: Boris Rybtchinski, Paramasivan Rajasingh, Elijah Shirman