Patents by Inventor Olga Petrovna Bogachkova

Olga Petrovna Bogachkova 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 for protecting products made of a refractory material against oxidation, and resulting protected products
    Patent number: 5677060
    Abstract: A coating for providing anti-oxidation protection is formed at least on the surface of the material and it comprises a refractory phase which is formed mainly of the refractory silicide Ti.sub.(0.4-0.95) Mo.sub.(0.6-0.05)Si.sub.2, and which has a branching microstructure forming an armature within which a healing phase is distributed that is constituted by a eutectic which is formed mainly of unbound silicon, of the silicide Ti.sub.(0.4-0.95)Mo.sub.(0.6-0.05) Si.sub.2, and of at least the disilicide TiS.sub.2. The coating is obtained from a mixture of powders that is deposited on the surface of the material and that is subjected to heat treatment under an inert atmosphere.
    Type: Grant
    Filed: November 8, 1995
    Date of Patent: October 14, 1997
    Assignee: Societe Europeenne de Propulsion
    Inventors: Valentina Sergeevna Terentieva, Olga Petrovna Bogachkova, Elena Valentinovna Goriatcheva