Patents by Inventor Sameh Helmy

Sameh Helmy 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).

  • NEGATIVE PHOTOCHROMIC MATERIALS WITH TUNABLE PROPERTIES
    Publication number: 20190127345
    Abstract: Embodiments of the present disclosure describe a negative photochromatic material. Embodiments of the present disclosure further describe a method of tuning a negative photochromatic material comprising selecting an amine donor group, selecting an acceptor group, and contacting at least the selected amine donor group and the selected acceptor group to form a negative photochromatic material, wherein one or more of the selected amine donor group and the selected acceptor group tune at least an absorption range of the negative photochromatic material.
    Type: Application
    Filed: April 26, 2017
    Publication date: May 2, 2019
    Applicant: The Regents of the University of California
    Inventors: Javier Read de Alaniz, James Hemmer, Zachariah A. Page, Saemi Oh Poelma, Nicolas J. Treat, Sameh Helmy