Patents by Inventor Alexandr N. Volokhonsky

Alexandr N. Volokhonsky 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).

  • Abrasive material
    Patent number: 4906255
    Abstract: A material containing corundum crystals from 5 to 350 microns in size and any one of the additions: spinel, anorthitic glass, cordieritic glass, or a mixture of spinel and either of said glasses. Said addition amounts to 1.5-7.5% by mass of the abrasive material and is spread between the corundum crystals in the form of interlayers less than 20 microns thick.
    Type: Grant
    Filed: January 10, 1989
    Date of Patent: March 6, 1990
    Inventors: Tatyana P. Nikitina, Jury M. Kovalchuk, Valentina V. Larionova, Alexandr N. Volokhonsky, Vladislav P. Lukanin, Mikhail G. Efros, Ivan P. Vasiliev, Ilya Z. Pevzner