Patents by Inventor Krisztina Temesvari

Krisztina Temesvari 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 THE PRODUCTION OF EZETIMIBE AND INTERMEDIATES USED IN THIS PROCESS
    Publication number: 20090216009
    Abstract: An industrially easily realizable and economical process comprising only few steps, and built on new intermediates for the production of 1-(4-3(R)-[3(S)-(4-fluorophenyl)-3-hydroxypropyl]-4(S)-(4-hydroxyphenyl)-2-azetidinone (ezetimibe) according to the reaction scheme described herein.
    Type: Application
    Filed: December 18, 2006
    Publication date: August 27, 2009
    Inventors: Jozsef Bodi, Janos Eles, Katalin Szoke, Krisztina Vukics, Tamas Gati, Krisztina Temesvari, Dorottya Kiss-Bartos