Patents by Inventor Oszkar Fuchs

Oszkar Fuchs 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).

  • Cimetidine monohydrate
    Patent number: 4579954
    Abstract: The invention relates to the new monohydrate of N-methyl-N'-{2-[(5-methylimidazol-4-yl)-methylthio]-ethyl}-N"-cyanoguanidi ne (cimetidine), a histamine-H.sub.2 receptor antagonist which is called N-methyl-N'-{2-[(5-methylimidazol-4-yl)-methylthio]-ethyl}-N"-cyanoguanidi ne H (cimetidine H) as well as to a process for the preparation of same, which comprises pouring a hot, homogeneous aqueous solution of N-methyl-N'-{2-[(5-methylimidazol-4-yl)-methylthio]-ethyl}-N"-cyanoguanidi ne, optionally containing also methylamine, onto ice and separating the N-methyl-N'-{2-[(5-methylimidazol-4-yl)-methylthio]-ethyl}-N"-cyanoguanidi ne monohydrate.
    Type: Grant
    Filed: April 27, 1984
    Date of Patent: April 1, 1986
    Assignee: Richter Gedeon Vegyeszeti Gyar Rt.
    Inventors: Kalman Harsanyi, Gyorgy Domany, Oszkar Fuchs, Lajos Toldy, Gyorgy Fekete, Endre Kasztreiner, Bela Hegedus, Ferenc Morasz, Andras Rado, Tibor Lang, Arpad Lazar, Eva Csongor, Tibor Balogh, Janos Borvendeg, Jozsef Reiter, Tibor Somogyi, Margit Bidlo nee Igloy