Patents by Inventor Semen A. Eppel

Semen A. Eppel 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).

  • Catalyst of liquid-phase oxidation of sulfur-containing compounds
    Patent number: 5212134
    Abstract: The invention relates to the heterogeneous catalysis.A catalyst according to the invention contains the following components in % by mass:______________________________________ product of calcination of iron oxide 30-50 based pyrite thermoplastic polymer the balance. ______________________________________The invention may be used in various industries, e.g. in the oil refinery.
    Type: Grant
    Filed: July 29, 1991
    Date of Patent: May 18, 1993
    Inventors: Raisa P. Kochetkova, Ljudmila I. Shpilevskaya, Ida P. Shiverskaya, Anatoly F. Babikov, Raisa M. Zaikova, Fedor K. Shmidt, Oleg A. Gurenko, Valery V. Glazyrin, Gennady P. Tikhonov, Vasily I. Usov, Anatoly A. Popov, Semen A. Eppel, Gennady I. Botkin, deceased, by Valentina I. Botkina, administrator, by Olga G. Botkina, administrator, by Natalya G. Botkina, administrator, by Alexei G. Botkin, administrator