Patents by Inventor Nikolai (Myloka) Ignatyev

Nikolai (Myloka) Ignatyev 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).

  • Ionic liquids having uronium cations and a process for making same
    Patent number: 8859813
    Abstract: The present invention relates to salts having uronium cations and to a process for preparing same comprising alkylating urea C(O)(NR2)2 using an ester ARo.
    Type: Grant
    Filed: August 21, 2012
    Date of Patent: October 14, 2014
    Assignee: Merck Patent GmbH
    Inventors: Nikolai (Myloka) Ignatyev, Urs Welz-Biermann, German Bissky, Helge Willner, Andriy Kucheryna
  • IONIC LIQUIDS HAVING URONIUM OF THIOURONIUM CATIONS
    Publication number: 20120316058
    Abstract: The present invention relates to salts having thiouronium or uronium cations, to processes for the preparation thereof, and to the use thereof as ionic liquids.
    Type: Application
    Filed: August 21, 2012
    Publication date: December 13, 2012
    Applicant: MERCK PATENT GMBH
    Inventors: Nikolai (Myloka) IGNATYEV, Urs WELZ-BIERMANN, German BISSKY, Helge WILLNER, Andriy KUCHERYNA
  • Ionic liquids having uronium or thiouronium cations
    Patent number: 8269041
    Abstract: The present invention relates to salts having thiouronium or uronium cations, to processes for the preparation thereof, and to the use thereof as ionic liquids.
    Type: Grant
    Filed: May 28, 2004
    Date of Patent: September 18, 2012
    Assignee: Merl Patent GmbH
    Inventors: Nikolai (Myloka) Ignatyev, Urs Welz-Biermann, German Bissky, Helge Willner, Andriy Kucheryna
  • Ionic Liquids Having Uronium Or Thiouronium Cations
    Publication number: 20070287869
    Abstract: The present invention relates to salts having thiouronium or uronium cations, to processes for the preparation thereof, and to the use thereof as ionic liquids.
    Type: Application
    Filed: May 28, 2004
    Publication date: December 13, 2007
    Inventors: Nikolai (Myloka) Ignatyev, Urs Welz-Biermann, German Bissky, Helge Willner, Andriy Kucheryna