Patents by Inventor Gyorgyi Vereckeyne Donath

Gyorgyi Vereckeyne 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
    Publication number: 20090221823
    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: Application
    Filed: December 8, 2006
    Publication date: September 3, 2009
    Inventors: Tibor Mezei, Eniko Molnar, Peter Trinka, Ferenc Bartha, Zoltan Katona, Gyorgyi Vereckeyne Donath, Kalman Nagy, Laszlo Pongo, Gyula Lukacs, Marta Porcs-Makkay, Zsuzsanna Evinger, Gyula Simig