Patents by Inventor Natalia Y. Sipyagina, legal representative

Natalia Y. Sipyagina, legal representative 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).

  • Substance having antioxidant, geroprotective and anti-ischemic activity and method for the preparation thereof
    Patent number: 8044210
    Abstract: The invention relates to the field of medicine, namely to new biologically active compounds, particularly to 2,4,6-trimethyl-3-hydroxypyridine derivatives and salts thereof (compound 1) having antioxidant, geroprotective and anti-ischemic action. The salts of compound (1) are prepared by reacting equimolecular quantities of 2,4,6-trimethyl-3-hydroxypyridine and dicarboxylic in solution of a lower alcohol at a temperature of 60-100° C. with following treatment of the reaction mass with an organic solvent and maintaining for 2-5 h at 10-15 ° C.
    Type: Grant
    Filed: December 18, 2008
    Date of Patent: October 25, 2011
    Assignee: Marvel Lifesciences Limited
    Inventors: Leonid Dmitrievich Smirnov, Larisa Kasimirovna Smirnova, legal representative, Michail Arkadievich Ostrovsky, Aleksey Michailovich Sipyagin, Natalia Y. Sipyagina, legal representative, Nadezda A. Sipyagina, legal representative, Aleksandr Evgenievich Doncov