Patents by Inventor Katalin Szöke

Katalin Szöke 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 production of ezetimibe and intermediates used in this process
    Patent number: 8178665
    Abstract: A process for the production of 1-(4-3(R)-[3(S)-(4-fluorophenyl)-3-hydroxypropyl]-4(S)-(4-hydroxyphenyl)-2-azetidinone (ezetimibe) according to the following reaction scheme: (I), (II), (III), (IV), (V), (VI), (VII), (VIII), (IX), (X), (XI) where the substances of the general Formulas II, IV, VI, VIII, IX, X and XI are new, Formula III is a non-isolated intermediate, R1, R2 and R3 are represented by the compounds of Formulas Va-Vd, (Va), (Vb), (Vc), (Vd) and R4 is a silyl, e.g., tert-butyl-dimethyl-silyl, tert-butyl-diphenyl-silyl group.
    Type: Grant
    Filed: December 18, 2006
    Date of Patent: May 15, 2012
    Assignee: Richter Gedeon Nyrt.
    Inventors: József Bódi, János Éles, Katalin Szöke, Krisztina Vukics, Tamás Gáti, Krisztina Temesvári, Dorottya Kiss-Bartos
  • Process for preparing amlodipine benzenesulphonate
    Patent number: 6596874
    Abstract: The invention relates to a novel process of amalodipine benzenesulphonate of formula (I) by reacting a new 2-[/2-carboxy-benzoyl)-aminoethoxy/methyl/]-4-(2-chlorophenyl)-3-ethoxycarbonyl-5-methoxycarbonyl-6-methyl-1,4-di-hydropyridine derivative of general formula (II) wherein X represents hydrogen or alkali metal or alkali earth metal or quaternary ammonium—with benzenesulphonic acid.
    Type: Grant
    Filed: December 20, 2001
    Date of Patent: July 22, 2003
    Assignee: Richter Gedeon Vegyeszeti Gyar RT.
    Inventors: Janos Fischer, Katalin Szöke, Laszlo Dobay, Sandor Leval