Patents by Inventor Dmitrii Sevenard

Dmitrii Sevenard 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).

  • Bis(alkylthio)carbenium salts
    Patent number: 6875894
    Abstract: The invention relates to bis(alkylthio)carbenium salts of the formula I with the stated definitions for R1, R2, R3 and Y?, and to a process for the preparation thereof. The compounds according to the invention are advantageously suitable as electrophilic reagents for the transfer of fluorinated alkyl and acyl radicals onto nucleophilic compounds.
    Type: Grant
    Filed: February 11, 2002
    Date of Patent: April 5, 2005
    Assignee: Merck Patent GmbH
    Inventors: Peer Kirsch, Andreas Ruhl, Gerd-Volker Röschenthaler, Dmitrii Sevenard
  • Bis(alkylthio)carbenium salts
    Publication number: 20040063985
    Abstract: The invention relates to bis(alkylthio)carbenium salts of the formula I 1
    Type: Application
    Filed: August 13, 2003
    Publication date: April 1, 2004
    Inventors: Peer Kirsch, Andreas Ruhl, Gerd-Volker Roschenthaler, Dmitrii Sevenard