Patents by Inventor Maria Bolyos

Maria Bolyos 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).

  • (-)-Apovincaminol lauric acid ester and cerebral vasodilatory composition thereof
    Patent number: 4108996
    Abstract: Apovincaminol ester of formula ##STR1## wherein R is an alkylcarbonyl group having 3 to 12 carbon atoms, or a pharmaceutically acceptable acid addition salt thereof.
    Type: Grant
    Filed: July 7, 1976
    Date of Patent: August 22, 1978
    Assignee: Richter Gedeon Vegyeszeti Gyar Rt.
    Inventors: Csaba Lorincz, Maria Bolyos, Kalman Szasz, Laszlo Szporny, Egon Karpati, Eva Palosi
  • Eburnamenine derivatives
    Patent number: 4065458
    Abstract: A heart and vasotropic pharmaceutical of the formula: ##STR1## wherein R represents a hydrogen atom or an acyl group, preferably a C.sub.1-15 alkylcarbonyl, C.sub.2-6 alkenylcarbonyl, or a phenyl- (C.sub.1-5)-alkylcarbonyl group or a benzoyl group optionally substituted with halogen, trihalomethyl, C.sub.1-4 or nitroAnd pharmaceutically acceptable acid addition and quaternary salts thereof.
    Type: Grant
    Filed: June 9, 1976
    Date of Patent: December 27, 1977
    Assignee: Richter Gedeon Vegyeszeti Gyar Rt.
    Inventors: Csaba Lorincz, Kalman Szasz, Maria Bolyos, Karola Jovanovics, Laszlo Szporny, Egon Karpati, Eva Palosi