Patents by Inventor Tatiana Ya. Dutova

Tatiana Ya. Dutova 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).

  • Anisotropic films based on sulfoderivatives of phenanthro-9?, 10?:2,3-quinoxaline and lyotropic liquid crystal systems and method for making
    Patent number: 6583284
    Abstract: Anisotropic films based on sulforderivatives of phenanthro-9′,10′:2,3-quinoxaline are disclosed. These compounds form liquid crystal and lyotropic liquid crystal systems that exhibit excellent optical properties with films that are significantly thinner than the current state of the art. The liquid crystal systems may be deposited on substrates or other film materials for use in a wide variety of commercial applications.
    Type: Grant
    Filed: November 19, 2002
    Date of Patent: June 24, 2003
    Assignee: Optiva, Inc.
    Inventors: Elena N. Sidorenko, Tatiana Ya. Dutova