Patents by Inventor Eva Vajda

Eva Vajda 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).

  • 1,2,3,6-tetrahydropyridine derivatives useful for improving cerebral blood circulation
    Patent number: 5225416
    Abstract: The present invention relates to novel 1,2,3,6-tetrahydropyridine derivatives of the general formula (I) ##STR1## wherein R stands for hydrogen or an alkyl group,X stands for an unsubstituted phenyl or benzyl group or for a phenyl or benzyl group substituted with a halogen atom,Y stands for hydrogen or halogen or a trifluoro-methyl groupas well as enantiomers acid addition salts thereof.The invention further extends to pharmaceutical compositions containing said compounds as active ingredient mainly for improving cerebral blood circulation and antihypoxic activity.
    Type: Grant
    Filed: December 10, 1991
    Date of Patent: July 6, 1993
    Assignee: Richter Gedeon Vegyeszeti Termekek Gyara Rt.
    Inventors: Tibor Gizur, Kalman Harsanyi, Attila Csehi, Aniko Demeter nee Szabo, Ferenc Trischler, Eva Vajda, Laszlo Szporny, Bela Kiss, Egon Karpati, Eva Palosi, Zsolt Szombathelyi, Adam Sarkadi, Aniko Gere, Mihaly Bodo, Katalin Csomor, Judit Laszy, Zsolt Szentirmai, Erzsebet Lapis, Sandor Szabo