Patents by Inventor Srivastava Ratndeep

Srivastava Ratndeep 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).

  • De-alloyed platinum nanoparticles
    Patent number: 7994089
    Abstract: A method of producing de-alloyed nanoparticles. In an embodiment, the method comprises admixing metal precursors, freeze-drying, annealing, and de-alloying the nanoparticles in situ. Further, in an embodiment de-alloyed nanoparticle formed by the method, wherein the nanoparticle further comprises a core-shell arrangement. The nanoparticle is suitable for electrocatalytic processes and devices.
    Type: Grant
    Filed: September 8, 2008
    Date of Patent: August 9, 2011
    Assignee: University of Houston System
    Inventors: Peter Strasser, Shirlaine Koh, Prasanna Mani, Srivastava Ratndeep
  • DE-ALLOYED PLATINUM NANOPARTICLES
    Publication number: 20090114061
    Abstract: A method of producing de-alloyed nanoparticles. In an embodiment, the method comprises admixing metal precursors, freeze-drying, annealing, and de-alloying the nanoparticles in situ. Further, in an embodiment de-alloyed nanoparticle formed by the method, wherein the nanoparticle further comprises a core-shell arrangement. The nanoparticle is suitable for electrocatalytic processes and devices.
    Type: Application
    Filed: September 8, 2008
    Publication date: May 7, 2009
    Applicant: UNIVERSITY OF HOUSTON
    Inventors: Peter Strasser, Shirlaine Koh, Prasanna Mani, Srivastava Ratndeep