Patents by Inventor Marta Lugosi

Marta Lugosi 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).

  • Process for the preparation of pharmaceutical compositions
    Patent number: 4960913
    Abstract: The invention relates to a process for the preparation of tetracycline derivatives of the formula ##STR1## and acid addition salts thereof --wherein R stands for --CH.sub.3 or .dbd.CH.sub.2 --by dehalogenating and hydrogenating chloromethacycline or acid addition salt thereof of the formula ##STR2## or by hydrating methacycline or acid addition salts thereof of the formula ##STR3## by treatment with hydrogen gas in the presence of a noble metal alloy catalyst on carrier and organic solvent which comprises performing, hydrogenating under pressure of 0.1-1.0 MPa with an alloy catalyst consisting of the alloy palladium or platinum and selenium and/or tellurium used at a ratio of 1:0.01-0.5 related to the amount of the starting tetracycline and carrying out, if desired dehalogenation and hydrogenation in one step.
    Type: Grant
    Filed: May 5, 1989
    Date of Patent: October 2, 1990
    Assignee: Chinoin Gyogyszer- es Vegyeszeti Termekek Gyara Rt.
    Inventors: Erzsebet Szalay, Gyorgy Lugosi, Tamas U. Kallay, Zsuzsanna Nad, Istvan Jelinek, Vilmos Simonidesz, Peter Gyory, Lajos Nagy, Marta Lugosi, Ilona Santa nee Singola, Gabor Besenyei, Laszlo Simandi