Patents by Inventor Emanuel Polymeropoulos

Emanuel Polymeropoulos 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).

  • Pharmaceutically active 1,2,4-triamino-benzene derivatives, processes for their preparation and pharmaceutical compositions containing them
    Patent number: 5384330
    Abstract: Pharmacologically active 1,2,4-triaminobenzene derivatives of the General Formula I: ##STR1## where the symbols R1' R2' R3' R4' R5' Ar and Alk have the following meanings:where the symbols R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, Ar and Alk have the following meanings:R.sub.1 : hydrogen, C.sub.1 -C.sub.6 -alkyl, C.sub.2 -C.sub.6 -alkanoyl or the radical Ar;R.sub.2 : hydrogen or C.sub.1 -C.sub.6 -alkyl;R.sub.3 : C.sub.1 -C.sub.6 -alkoxy, NH.sub.2, C.sub.1 -C.sub.6 -alkylamino, C.sub.1 -C.sub.6 -dialkylamino, amino substituted by the radical Ar, C.sub.1 -C.sub.6 -alkyl, C.sub.2 -C.sub.6 -alkenyl, C.sub.2 -C.sub.6 -alkynyl, the radical Ar or the radical ArO--;R.sub.4 : hydrogen, C.sub.1 -C.sub.6 -alkyl or the radical Ar;R.sub.5 : hydrogen or C.sub.1 -C.sub.6 -alkyl or the radical Ar;Alk: a straight or branched alkylene group containing 1-9 carbon atoms, which can also be substituted by the radical Ar.
    Type: Grant
    Filed: January 8, 1993
    Date of Patent: January 24, 1995
    Assignee: Asta Medica Aktiengesellschaft
    Inventors: Hans-Reinhold Dieter, Jurgen Engel, Bernhard Kutscher, Emanuel Polymeropoulos, Stefan Szelenyi, Bernd Nickel