Patents by Inventor Georgy I. Xandopulo

Georgy I. Xandopulo 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).

  • Method of preparing refractory chromium-containing material
    Patent number: 5180698
    Abstract: The present invention relates to preparing refractory chromium-containing material and resides in local initiation of an exothermal reaction in a mixture of the following composition: a chromium-containing component, 8-20 mass % of a reducer selected from the group consisting of aluminium, magnesium, silicon, titanium, zirconium, or the alloys thereof, and 0.1-50 mass % of a filler, wherein as the filler use is made of periclase, sand, clay, refractory oxide, refractory scrap, wastes of blast-furnace processes, wastes of graphite or silicon carbide production, or an inorganic salt taken separately or in a mixture.
    Type: Grant
    Filed: June 4, 1991
    Date of Patent: January 19, 1993
    Inventors: Alexandr G. Merzhanov, Georgy I. Xandopulo, Mikael D. Nersesian, Marat B. Ismailov, Inna P. Borovinskaya