Patents by Inventor Pal Scheiber

Pal Scheiber 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).

  • Heterocyclic compounds containing nitrogen and sulfur, pharmaceutical compositions containing them and process for preparing same
    Patent number: 5096902
    Abstract: The invention relates to novel nitrogen- and sulfur-containing heterocyclic compounds of the formula (I), acid addition salts thereof, pharmaceutical compositions containing them and a process for their preparation. In the formula (I) ##STR1## Ar stands for an optionally mono- or polysubstituted aryl or heteroaryl group;R.sup.1 means a carbonyl or (C.sub.2-6 alkenyl)carbonyl group;R.sup.2 stands for hydrogen C.sub.1-6 alkyl, phenyl or phenyl (C.sub.1-4 alkyl) group;R.sup.3 means hydrogen or (C.sub.1-6 alkoxy)carbonyl group;R.sup.4 and R.sup.5 stand, independently from each other, for hydrogen or C.sub.1-6 alkyl group;R.sub.6 ogen, C.sub.1-6 alkyl group or halophenyl group;m is 0 or 1; andn is 1 or 2,with the proviso that R.sup.2 means hydrogen when m is 0.The compounds of formula (I) show a significant cerebral antihypoxic action and thus, they can be used for the treatment of diseases caused by hypoxic brain damages such as e.g.
    Type: Grant
    Filed: April 12, 1990
    Date of Patent: March 17, 1992
    Assignee: Richter Gedeon Vegyeszeti Gyar Rt.
    Inventors: Karoly Nador, Pal Scheiber, nee Szelecsenyi Andrasi, Bela Molnar, Laszlo Szporny, Bela Kiss, Egon Karpati, Eva Palosi, Dora Groo, Istvan Laszlovszky, Zsolt Szombathelyi, Adam Sarkadi, Aniko Gere, Mihaly Bodo, Katalin Csomor, Judit Laszy, Zsolt Szentirmay