Patents by Inventor Nikolai Zefirov

Nikolai 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).

  • Continuous Wasteless Ecologically Safe Technology of Propylenecarbonate Production in Presence of Phthalocyanine Catalysts
    Publication number: 20070078268
    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: Application
    Filed: September 21, 2006
    Publication date: April 5, 2007
    Inventors: Vladimir Afanasiev, Nikolai Zefirov, Dmitry Zalepugin, Victor Polyakov, Nataliya Tilkunova, Larisa Tomilova
  • Agents for treating neurodegenerative disorders
    Publication number: 20060140866
    Abstract: Compounds and methods of using these compounds to treat neurodegenerative diseases, especially Alzheimer's disease, are provided. The compounds that are provided for the treatment of neurodegenerative diseases can be represented by a general formula (I): wherein R1 is Me, Et or PhCH2; R2 is H, PhCH2 or 6-Me-3-Py-(CH2)2; and R3 is H, Me or Br. The solid line accompanied by the dotted line i.e. represents a single or double bond and salts thereof with pharmacologically acceptable acids and quaternary derivatives.
    Type: Application
    Filed: February 24, 2006
    Publication date: June 29, 2006
    Inventors: Nikolai Zefirov, Andrei Afanasiev, Svetlana Afanasieva, Sergei Bachurin, Sergei Tkachenko, Vladimir Grigoriev, Marina Jurovskaya, Valery Chetverikov, Elizaveta Bukatina, Irina Grigorieva
  • Neurodegenerative disorders
    Publication number: 20050096342
    Abstract: Compounds and methods of using these compounds to treat neurodegenerative diseases, especially Alzheimer's disease, are provided. The compounds that are provided for the treatment of neurodegenerative diseases can be represented by a general formula (I): wherein R1 is Me, Et or PhCH2; R2 is H, PhCH2 or 6-Me-3-Py-(CH2)2; and R3 is H, Me or Br. The solid line accompanied by the dotted line i.e. represents a single or double bond and salts thereof with pharmacologically acceptable acids and quaternary derivatives.
    Type: Application
    Filed: December 2, 2004
    Publication date: May 5, 2005
    Applicant: Medivation, Inc.
    Inventors: Nikolai Zefirov, Andrei Afanasiev, Svetlana Afanasieva, Sergei Bachurin, Sergei Tkachenko, Vladimir Grigoriev, Marina Jurovskaya, Valery Chetverikov, Elizaveta Bukatina, Irina Grigorieva