Patents by Inventor Sergej V. Sivtzov

Sergej V. Sivtzov 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).

  • Irradiating filament and method of making same
    Patent number: 6146322
    Abstract: A filament for irradiating a living body has a core material capable of irradiating radioactive radiation clad in a tubular casing of protective material different from the material forming the core. The materials forming the core and casing have a purity not less than 99.5 atomic percent and a grain size not exceeding 30 .mu.m and the outer diameter of the filament is not less than 80 .mu.m.
    Type: Grant
    Filed: October 30, 1996
    Date of Patent: November 14, 2000
    Assignee: Schneider (Europe) AG
    Inventors: Igor I. Papirov, Anatolij I. Pikalov, Vladimir S. Shokurov, Sergej V. Sivtzov, Youri G. Popowski, Vitali E. Verin