Patents by Inventor Dezso Korbonits

Dezso Korbonits 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 2-(3-phenoxy-phenyl)-propionic acid
    Patent number: 4304930
    Abstract: 2-(3-Phenoxy-phenyl)-propionic acid or its pharmaceutical treatments, are prepared by hydrolyzing and partially decarboxylating ##STR1## wherein R=C.sub.1 -C.sub.6 alkyl or amino, the latter compounds being themselves new and, where R=C.sub.1 -C.sub.6 alkyl, have antiinflammatory pharmaceutical properties.
    Type: Grant
    Filed: December 21, 1979
    Date of Patent: December 8, 1981
    Assignee: Chinoin Gyogyszer- es Vegyeszeti Termekek Gyara Rt
    Inventors: Endre Palosi, Gergely Heja, Dezso Korbonits, Pal Kiss, Csaba Gonczi, Judit Cser nee Kun, Ida Szvoboda nee Kanzel, Gabor Szabo, Tamas Kallay, Laszlo Ledniczky, Maria Szomor nee Wundele
  • Sulfur-containing benzimidazole derivatives
    Patent number: 4259344
    Abstract: A process for the preparation of anthelmintic compounds of the formula: ##STR1## wherein R.sup.1 is hydrogen or --COOR;R.sup.5 is C.sub.1 to C.sub.4 alkyl;R.sup.2 is halogen, alkyl, trifluoromethyl, alkoxy, aryloxy, or aralkoxy; andR.sup.4 is hydrogen, alkyl, cycloalkyl; alkenyl, alkynyl or aralkyl;or pharmaceutically acceptable salts thereof comprises subjecting a bis compound of the formula: ##STR2## to reduction to cleave the disulfide linkage and where R.sup.4 is other then hydrogen, subsequent reaction of the mercapto group. Intermediate compounds and a process for preparing same are also disclosed.
    Type: Grant
    Filed: June 22, 1979
    Date of Patent: March 31, 1981
    Assignee: Chinoin Gyogyszer es Vegyeszeti Termekek Gyara R.T.
    Inventors: Csaba Gonczi, Dezso Korbonits, Pal Kiss, Endre Palosi, Gergely Heja, Ida Szvoboda nee Kanzel, Judit Cser nee Kun, Maria Szomor nee Wundele, Gyorgy Kormoczi, Andras Kelemen
  • Condensed purine derivatives useful for improving peripheral circulation
    Patent number: 4228164
    Abstract: A compound of the formula ##STR1## wherein R is hydroxy, alkoxy or acyloxyQ is sulfur or a .dbd.N--R.sup.1 group, wherein R.sup.1 ishydrogen, C.sub.1-5 alkyl or aralkyl or C.sub.2-4 acyl, or a pharmaceutically acceptable acid addition salt thereof.
    Type: Grant
    Filed: November 7, 1978
    Date of Patent: October 14, 1980
    Assignee: Chinoin Gyogyszer es Vegyeszeti Termekek Gyara Rt.
    Inventors: Rudolf Szebeni, Dezso Korbonits, Kalman Harsanyi, Molnar Leventene, Laszlo Szekeres, Gyula Papp, Gyula Sebestyen
  • Basic ester
    Patent number: 4010193
    Abstract: A basic ester having the formula ##STR1## wherein Ac is benzoyl substituted by at least two substituents selected from the group which consist of halogen atoms, lower alkyl, lower alkoxy, hydroxy, nitro and sulfamoyl, and A B are hydrogen or lower alkyl or are cycloalkyl together. The compounds are therapeutic for cardic conditions.
    Type: Grant
    Filed: April 26, 1973
    Date of Patent: March 1, 1977
    Assignee: Chinoin Gyogyszer-es Vegyeszeti Termekek Gyara RT
    Inventors: Kalman Harsanyi, Laszlo Szekeres, Gergely Heja, Gyula Papp, Dezso Korbonits, Pal Kiss