Patents by Inventor Nikolai Serafimovich Zefirov

Nikolai Serafimovich Zefirov 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).

  • Tricyclic derivatives of N,N?-substituted 3,7-diazabicyclo [3.3.1]nonanes and drugs based thereon
    Patent number: 9440985
    Abstract: The invention relates to novel 3,6,9-triazatricyclo[7.3.1.1]tetradecane-4,8,12-trione derivatives of general formula (1), which act as allosteric AMPA receptor modulators, and to drugs based thereon which can be used for treating Alzheimer's, Parkinson's and other neurodegenerative diseases.
    Type: Grant
    Filed: April 2, 2012
    Date of Patent: September 13, 2016
    Inventors: Maxim Eduardovich Zapolsky, Nikolay Serafimovich Zefirov, Vladimir Alexandrovich Palyulin, Mstislav Igorevich Lavrov
  • TRICYCLIC DERIVATIVES OF N,N'-SUBSTITUTED 3,7-DIAZABICYCLO [3.3.1]NONANES AND DRUGS BASED THEREON
    Publication number: 20150274743
    Abstract: The invention relates to novel 3,6,9-triazatricyclo[7.3.1.1]tetradecane-4,8,12-trione derivatives of general formula (1), which act as allosteric AMPA receptor modulators, and to drugs based thereon which can be used for treating Alzheimer's, Parkinson's and other neurodegenerative diseases.
    Type: Application
    Filed: April 2, 2012
    Publication date: October 1, 2015
    Inventors: Maxim Eduardovich Zapolsky, Nikolay Serafimovich Zefirov, Vladimir Alexandrovich Palyulin, Mstislav Igorevich Lavrov
  • Alicyclic derivatives of N,N'-substituted 3,7-diazabicyclo[3.3.1]nonanes and medicaments based thereon
    Patent number: 9067940
    Abstract: The invention relates to novel alicyclic N,N?-substituted diazabicyclo[3.3.1]nonane derivatives of general formula (I) which act as allosteric AMPA receptor modulators, and to drugs based thereon which can be used for treating Alzheimer's, Parkinson's and other neurodegenerative diseases.
    Type: Grant
    Filed: April 10, 2012
    Date of Patent: June 30, 2015
    Inventors: Maxim Eduardovich Zapolsky, Nikolay Serafimovich Zefirov, Vladimir Alexandrovich Palyulin, Mstislav Igorevich Lavrov
  • Continuous wasteless ecologically safe technology of propylenecarbonate production in presence of phthalocyanine catalysts
    Patent number: 7585995
    Abstract: A continuous method of producing propylenecarbonate includes carboxylation of propylene oxide with carbon dioxide in presence of phthalocyanine catalyst on an inert carrier, using as the phthalocyanine catalyst at least one catalyst selected from the group consisting of not-substituted, methyl, ethyl, butyl, and tret butyl-substituted phthalocyanines of metals, including those containing counterions, and using as the carrier a hydrophobic carrier.
    Type: Grant
    Filed: September 21, 2006
    Date of Patent: September 8, 2009
    Assignee: U.S. Department of Energy
    Inventors: Vladimir Vasilievich Afanasiev, Nikolai Serafimovich Zefirov, Dmitry Yurievich Zalepugin, Victor Stanislavovich Polyakov, Nataliya Alexandrovna Tilkunova, Larisa Godvigovna Tomilova