Patents by Inventor Györgyi Vereczekeyné Donath

Györgyi Vereczekeyné Donath 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).

  • Optically active carbamates, process for preparation thereof and use thereof as pharmaceutical intermediates
    Patent number: 7851627
    Abstract: The present invention is related to 1-[(4-chlorophenyl)-phenylmethyl]-4-(2,2,2-trichloroethoxycarbonyl)-piperazine of the Formula (IV) and optically isomers thereof, process for preparation thereof and the use of the compound of the Formula (IV) in the preparation of 1-(4-chlorophenyl)-phenylmethyl-piperazine and optical isomers and salts thereof. 1-(4-chlorophenyl)-phenylmethyl-piperazine and optical isomers thereof are important intermediates in the preparation of non-sedating antihistamine-type active pharmaceutical ingredients.
    Type: Grant
    Filed: December 8, 2006
    Date of Patent: December 14, 2010
    Assignee: Egis Gyogyszergyar Nyilvanosan Mukodo Reszvenytarsasag
    Inventors: Tibor Mezei, Enikö{umlaut over ( )} Molnar, Péter Trinka, Ferenc Bartha, Zoltán Katona, Györgyi Vereczekeyné Donath, Kálmán Nagy, Lászlö Pongo, Gyula Lukacs, Márta Porcs-Makkay, Zsuzsanna Évinger, Gyula Simig