Patents by Inventor Alexander Evgenyevich Gulyaev

Alexander Evgenyevich Gulyaev 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).

  • Phosphorus containing cytisine derivatives
    Patent number: 6194397
    Abstract: Claimed are newly synthesized phosphorus containing cytisine derivatives of the general formula wherein n is 0 or 1; X is O or S; R=CH3; C2H5; C3H7; 1-C3H7; C4H9; at n=1: X=O R=CH3 R1=1—C3H7; C6H5; CH3—O—C6H4—; with a proviso that n is 1, X is O. It is shown that some of the synthesized compounds exhibit substantial hepatoprotective and antienzyme activity.
    Type: Grant
    Filed: October 12, 1999
    Date of Patent: February 27, 2001
    Inventors: Andrej Zinovyevich Vitik, Arstan Maulenovich Gazaliev, Alexander Evgenyevich Gulyaev