Patents by Inventor Vladimir Alexandrovich Silaev

Vladimir Alexandrovich Silaev 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).

  • Process for manufacturing aluminum nitride whiskers
    Patent number: 5688320
    Abstract: Aluminum nitride whiskers are produced by reducing alumina with carbon in a nitrogen atmosphere, at a temperature of 1800.degree. to 2000.degree. C., in the presence of a growth activator containing a solvent element, according to a process that essentially comprises the step of periodically feeding, through the working area of a horizontal furnace equipped with a graphite heating device, counter to a flow of nitrogen, a graphite container charged with a mixture of alumina, carbon and carbonyl iron, as a growth activator, which is present in an amount capable of implementing the VLS mechanism, the time taken by the container to pass through the working zone being in the range of 20 to 120 minutes.
    Type: Grant
    Filed: June 17, 1996
    Date of Patent: November 18, 1997
    Assignees: Societe Nationale Industrielle et Aerospatiale, VIAM-ALL Russian Institut of Aviation Materials
    Inventors: Vladimir Nikolaevich Gribkov, Boris Vladimirovich Shchetanov, Eric Loguinovitch Umantsev, Vladimir Alexandrovich Silaev, Yurii Alexeevich Gorelov, Piotr Phiodorovich Lyasota