Patents by Inventor Alexandr Drachev

Alexandr Drachev 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).

  • Publication number: 20050236604
    Abstract: The present invention is related to a luminescent material generated by polymerization of a pyrromethene complex by glow discharge. The polymer material of the present invention exhibits semi-conductive properties and has a luminescence maximum in a spectrum region in the range of about 540 nm to about 585 nm with a half-width of the luminescence band in the range of about 55 nm to about 75 nm, a quantum yield of photoluminescence in the range of about 0.6 to about 0.8, and an electric conductivity at a temperature of about 20° C. in the range of about 1×10?10 S/cm to about 5×10?10 S/cm. The resultant polymer layer has a thickness in the range of about 0.01 ?m to about 10 ?m on a substrate placed between or on any of the electrodes. The starting pyrromethene complex may be a 1,3,5,7,8-pentamethyl-2,6-diethylpyrromethene difluoroborate complex (pyrromethene 567).
    Type: Application
    Filed: December 30, 2004
    Publication date: October 27, 2005
    Inventors: Alexandr Drachev, Alla Ghilman, Alexandr Kuznetsov, Nikolay Surin
  • Publication number: 20050133765
    Abstract: The present invention is related to a thermostable electroconductive polymer layer comprising an iodine-doped polymer layer based on 1 -amino-9,1 0-anthraquinone having an electrical conductivity in the range of about 10?2 Sm/cm to about 102 Sm/cm. Additionally, the present invention is related to methods for preparing the thermostable electroconductive polymer layer. The method comprises polymerizing 1 -amino-9,10-anthraquinone vapors at a reduced pressure in a direct current discharge on a cathode at a temperature in the range of about 150° C. to about 300° C., providing the necessary vapor pressure for a time period in the range of about 5 minutes to about 30 minutes and doping the prepared layer with iodine vapors.
    Type: Application
    Filed: November 18, 2004
    Publication date: June 23, 2005
    Inventors: Alexandr Drachev, Alla Gilman, Alexandr Kuznetsov