Patents by Inventor Peter A. Loschmann

Peter A. Loschmann 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).

  • Patent number: 5411966
    Abstract: Compounds of formula I and their acid addition salts ##STR1## in which R.sup.2 R.sup.6 R.sup.13 and X have the meanings defined herein are described as well as a process and intermediates for their production, and pharmaceutical agents containing these compounds.
    Type: Grant
    Filed: September 27, 1993
    Date of Patent: May 2, 1995
    Assignee: Schering Aktiengesellschaft
    Inventors: Gerhard Sauer, Bernd Schroter, Thomas Brumby, Helmut Wachtel, Peter A. Loschmann
  • Patent number: 5401748
    Abstract: 2,14-Disubstituted ergolines of formula I ##STR1## in which R, R.sup.2, R.sup.6, R.sup.14 and X have the meaning named in the application, as well as their production and use in pharmaceutical agents, are described.
    Type: Grant
    Filed: March 12, 1993
    Date of Patent: March 28, 1995
    Assignee: Schering Aktiengesellschaft
    Inventors: Gerhard Sauer, Helmut Wachtel, Peter A. Loschmann
  • Patent number: 5219862
    Abstract: Compounds of formula I ##STR1## in which R.sup.2 means optionally substituted C.sub.1-7 alkyl, C.sub.2-7 alkenyl, CH.sub.2 --O--C.sub.1-4 alkyl or CH.sub.2 --S--C.sub.1-4 alkylR.sup.6 means C.sub.2-6 alkyl, C.sub.3-6 alkenyl or C.sub.3-5 -cycloalkyl-C.sub.1-2 alkyl andR.sup.8 means CH.sub.2 --X, ##STR2## in which X stands for CN, OCH.sub.3, SCH.sub.3 or CONH.sub.2 and R.sup.1 stands for hydrogen, halogen, methyl or methoxy, and R.sup.3 and R.sup.4 each mean C.sub.1-4 alkyl or (CH.sub.2).sub.n --N(CH.sub.3).sub.2, in which n=1-4, and their acid addition salts, the process for their production, their use as pharmaceutical agents as well as intermediate compounds are described.
    Type: Grant
    Filed: December 21, 1990
    Date of Patent: June 15, 1993
    Assignee: Schering Aktiengesellschaft
    Inventors: Gerhard Sauer, Thomas Brumby, Helmut Wachtel, Jonathan Turner, Peter A. Loschmann