Patents by Inventor Jenöme Farkas

Jenöme Farkas 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).

  • Process for the synthesis of a known tetrazol derivative
    Patent number: 6710183
    Abstract: A Process is disclosed for preparing a compound of the Formula (I) which comprises the steps of: (a) detritylating a compound of the Formula (III)  with 0.1 to 1 equivalent of potassium hydroxide in a C1 to C4 straight chain alcohol solvent to obtain a reaction mixture containing the compound of the Formula (I), (b) changing the C1 to C4 straight chain alcohol solvent in the reaction mixture to an aprotic solvent or a weakly protic solvent, and (c) following step (b) crystallizing out the compound of the Formula (I) from the reaction mixture.
    Type: Grant
    Filed: July 24, 2002
    Date of Patent: March 23, 2004
    Assignee: Richter Gedeon Vegyeszeti Gyar Rt.
    Inventors: Janos Fischer, Ildiko Ballo, Endrene Petenyi, Janos Kreidl, Laszlo Czibula, Andras Nemes, Ida Deutschne Juhasz, Eva Werkne Papp, Judit Nagyne Bagdy, Istvan Hegedüs, Jenöme Farkas