Patents by Inventor Bella Kiss

Bella Kiss 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).

  • Dopamine hydroxylase inhibiting 2-amino-cyclopent-1-ene-1-thiocarboxylic acid-disulfides
    Patent number: 4179467
    Abstract: New 2-amino-cyclopent-1-ene-thiocarboxylic acid-disulfides of the formula, ##STR1## wherein R is a C.sub.1-6 alkyl group having optionally a C.sub.1-4 alkoxy, hydroxy, carboxy and/or amino substituent, a C.sub.2-4 alkenyl group, or a C.sub.3-8 cycloalkyl group, are prepared by oxidizing the respective 2-amino-cyclopent-1-ene-dithiocarboxylic acids of the formula, ##STR2## wherein R is as defined above. The compounds of the formula (I) exert dopamine-.beta.-hydroxylase inhibiting effects and can be applied in therapy.
    Type: Grant
    Filed: December 29, 1977
    Date of Patent: December 18, 1979
    Assignee: Richter Gedeon Vegyeszeti Gyar Rt.
    Inventors: Gyorgy Matolcsy, Piroska Bartok nee Berencsy, Bella Kiss, Eva Palosi, Egon Karpati, Laszlo Szporny
  • 2-Amino-cyclopent-1-ene-1-dithiocarboxylic acids
    Patent number: 4179463
    Abstract: 2-Amino-cyclopent-1-ene-1-dithiocarboxylic acid derivatives of the formula, ##STR1## wherein R is C.sub.2-4 alkenyl, or C.sub.1-6 alkyl group having optionally a C.sub.1-4 alkoxy, hydroxy, carboxy and/or amino substituent, with the proviso that if R is an unsubstituted alkyl group, this group contains at least 5 carbon atoms, are prepared by reacting 2-amino-cyclopent-1-ene-1-dithiocarboxylic acid or a salt thereof with an amine of the formula,R--NH.sub.2 (II)wherein R is as defined above. The new compounds of the invention exert dopamine-.beta.-hydroxylase inhibiting effects.
    Type: Grant
    Filed: December 29, 1977
    Date of Patent: December 18, 1979
    Assignee: Richter Gedeon Vegyeszeti Gyar Rt.
    Inventors: Gyorgy Matolcsy, Piroska Bartok, nee Berencsy, Bella Kiss, Eva Palosi, Egon Karpati, Laszlo Szporny