Patents by Inventor Sergei G. Kovalev

Sergei G. Kovalev 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).

  • Benzimidazole compounds
    Patent number: 5623073
    Abstract: Compounds of the general formula (I): ##STR1## wherein A, B, C, D, n, R.sub.1, R.sub.2, R.sub.3, R.sub.4, X, Y and Z are as defined in the description, and their use as antidiabetics are disclosed.
    Type: Grant
    Filed: May 18, 1993
    Date of Patent: April 22, 1997
    Assignee: Adir Et Compagnie
    Inventors: Vera A. Anisimova, Margarita V. Levchenko, Tatyana B. Korochina, Alexander A. Spasov, Sergei G. Kovalev, Galina P. Dudchenko
  • 15(R+S)-fluoro-11,15-dideoxyprostaglandin E.sub.1 derivatives
    Patent number: 4665214
    Abstract: Novel derivatives of 15(R+S)-fluoro-11,15-dideoxyprostaglandin E.sub.1 of the general formula: ##STR1## wherein R' is ethyl, methyl, hydrogen, sodium, R.sup.2 or R.sup.3 is hydrogen or fluorine.The compounds according to the present invention have a high antiaggregation activity of a protracted effect.
    Type: Grant
    Filed: December 27, 1985
    Date of Patent: May 12, 1987
    Assignees: Institut Organicheskogo Sinteza An Latir SSSR, Institute Biorganicheskoi Khimii An SSSR, Moskovsky Meditsinsky Stomatologichesky Institut
    Inventors: Vladimir V. Bezuglov, Lev D. Bergelson, Kapiton M. Lakin, Vladimir A. Makarov, Sergei G. Kovalev, Yanis F. Freimanis