Patents by Inventor Markus Woissyk

Markus Woissyk 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).

  • Method for producing thienopyrimidines
    Patent number: 6689885
    Abstract: The invention relates to a process for preparing compounds of the formula I In this process a 2-aminobenzothiophene-3-carboxylic ester of the formula II is reacted with a nitrile of the formula III N≡C—R1   III in solution or suspension in a solvent in the presence of an acid.
    Type: Grant
    Filed: October 21, 2002
    Date of Patent: February 10, 2004
    Assignee: Merck Patent GmbH
    Inventors: Horst Juraszyk, Peter Wendel, Markus Woissyk
  • Method for producing thienopyrimidines
    Publication number: 20030096994
    Abstract: The invention relates to a process for preparing compounds of the formula I 1
    Type: Application
    Filed: October 21, 2002
    Publication date: May 22, 2003
    Inventors: Horst Juraszyk, Peter Wendel, Markus Woissyk