Patents by Inventor Nataliya Alexandrovna Tilkunova

Nataliya Alexandrovna Tilkunova 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
    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