Patents by Inventor Manfred Hirnschall

Manfred Hirnschall 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).

  • Derivatives and analogs of galanthamine
    Publication number: 20070027138
    Abstract: New compounds of general formula I
    Type: Application
    Filed: June 28, 2006
    Publication date: February 1, 2007
    Inventors: Ulrich Jordis, Johannes Frohlich, Matthias Treu, Manfred Hirnschall, Laszlo Czollner, Beate Kalz, Stefan Welzig
  • Derivatives and analogs of galanthamine
    Patent number: 7166588
    Abstract: New compounds of general formula I
    Type: Grant
    Filed: May 22, 2001
    Date of Patent: January 23, 2007
    Assignee: Sanochemia Pharmazeutika Aktiengesellschaft
    Inventors: Ulrich Jordis, Johannes Frohlich, Matthias Treu, Manfred Hirnschall, Laszlo Czollner, Beate Kälz, Stefan Welzig
  • Methods for producing norgalanthamine, as well as isomers, salts and hydrates thereof
    Publication number: 20060069251
    Abstract: The invention relates to processes, which can be performed on an industrial scale, for the production of norgalanthamine, norgalanthamine derivatives and isomers thereof of general formula (A) as well as salts or hydrates thereof with general formula (B). As processes for the production of compounds with general formula (A) or (B), an oxidative demethylation and a catalytic demethylation of the corresponding galanthamine compounds are indicated.
    Type: Application
    Filed: January 9, 2003
    Publication date: March 30, 2006
    Inventors: Ulrich Jordis, Matthias Treu, Manfred Hirnschall, Johannes Frohlich, Laszlo Crollner, Beate Kalz, Thomas Kalz, Peter Kuhnhackl
  • Novel derivatives and analogues of galanthamin
    Publication number: 20030199493
    Abstract: New compounds of general formula I 1
    Type: Application
    Filed: March 18, 2002
    Publication date: October 23, 2003
    Inventors: Ulrich Jordis, Johannes Frohlich, Matthias Treu, Manfred Hirnschall, Laszlo Czollner, Beate Kalz, Stefan Welzig