Patents by Inventor Tatyana V. Dyukova

Tatyana V. Dyukova 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).

  • Photochromic compositions and materials containing bacteriorhodopsin
    Patent number: 5518858
    Abstract: Photochromic compositions comprise a bacteriorhodopsin suspension, at least one organic nitrogen-containing compound and a binder. The composition may further include a detergent. Photochromic materials comprise a support and a photochromic film formed on the support from a photochromic composition as described.
    Type: Grant
    Filed: May 26, 1994
    Date of Patent: May 21, 1996
    Assignee: The United States of America as represented by the Secretary of Commerce
    Inventors: Tatyana V. Dyukova, Nicolai N. Vsevolodov