Patents by Inventor Subashini Asokan

Subashini Asokan 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).

  • Synthesis of uniform nanoparticle shapes with high selectivity
    Patent number: 9129720
    Abstract: This invention provides non-spherical nanoparticle compositions that are the reaction product of a source of a Group 12, 13, 14, or 15 metal or metalloid; a source of a Group 15 or 16 element; and a source of a quaternary ammonium compound or phosphonium compound; wherein nanoparticle tetrapods comprise 75-100 number percent of the nanoparticle products.
    Type: Grant
    Filed: October 17, 2012
    Date of Patent: September 8, 2015
    Assignee: William Marsh Rice University
    Inventors: Subashini Asokan, Michael Sha-nang Wong
  • Synthesis of Uniform Nanoparticle Shapes with High Selectivity
    Publication number: 20130040143
    Abstract: This invention provides non-spherical nanoparticle compositions that are the reaction product of a source of a Group 12, 13, 14, or 15 metal or metalloid; a source of a Group 15 or 16 element; and a source of a quaternary ammonium compound or phosphonium compound; wherein nanoparticle tetrapods comprise 75-100 number percent of the nanoparticle products.
    Type: Application
    Filed: October 17, 2012
    Publication date: February 14, 2013
    Applicant: WILLIAM MARSH RICE UNIVERSITY
    Inventors: Subashini ASOKAN, Michael Sha-nang WONG
  • Synthesis of uniform nanoparticle shapes with high selectivity
    Patent number: 8313714
    Abstract: Embodiments of the invention provide a method of making non-spherical nanoparticles that includes (a) combining a source of a Group 12, 13, 14, or 15 metal or metalloid; a source of a Group 15 or 16 element; and a source of a quaternary ammonium compound or phosphonium compound; and (b) isolating non-spherical nanoparticles from the resulting reaction mixture. Other embodiments of the invention provide non-spherical nanoparticle compositions, that are the reaction product of a source of a Group 12, 13, 14, or 15 metal or metalloid; a source of a Group 15 or 16 element; and a source of a quaternary ammonium compound or phosphonium compound; wherein nanoparticle tetrapods comprise 75-100 number percent of the nanoparticle products.
    Type: Grant
    Filed: April 11, 2008
    Date of Patent: November 20, 2012
    Assignee: William Marsh Rice University
    Inventors: Subashini Asokan, Michael Sha-nang Wong
  • Synthesis of Uniform Nanoparticle Shapes with High Selectivity
    Publication number: 20100025637
    Abstract: Embodiments of the invention provide a method of making non-spherical nanoparticles that includes (a) combining a source of a Group 12, 13, 14, or 15 metal or metalloid; a source of a Group 15 or 16 element; and a source of a quaternary ammonium compound or phosphonium compound; and (b) isolating non-spherical nanoparticles from the resulting reaction mixture. Other embodiments of the invention provide non-spherical nanoparticle compositions, that are the reaction product of a source of a Group 12, 13, 14, or 15 metal or metalloid; a source of a Group 15 or 16 element; and a source of a quaternary ammonium compound or phosphonium compound; wherein nanoparticle tetrapods comprise 75-100 number percent of the nanoparticle products.
    Type: Application
    Filed: April 11, 2008
    Publication date: February 4, 2010
    Applicant: Rice University
    Inventors: Subashini Asokan, Michael Sha-nang Wong