Patents by Inventor F. Himmelsbach

F. Himmelsbach 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).

  • Cyclic dericatives, pharmaceutical compositions containing these compounds and processes for preparing them
    Patent number: 5827849
    Abstract: The invention relates to cyclic derivatives of general formula ##STR1## wherein R.sub.a, R.sub.b, X and Y are as defined in claim 1, the tautomers, the stereoisomers including the mixtures thereof and the salts thereof, particularly the physiologically acceptable salts thereof with organic or inorganic acids or bases, which have valuable pharmacological properties, preferably aggregation-inhibiting effects, pharmaceutical compositions containing the compounds and processes for preparing them.
    Type: Grant
    Filed: December 17, 1996
    Date of Patent: October 27, 1998
    Assignee: Karl Thomae GmbH
    Inventors: F. Himmelsbach, Helmut Pieper, Volkhard Austel, Gunter Linz, Brian Guth, Thomas Muller, Johannes Weisenberger
  • Cyclic compounds and pharmaceutical compositions containing them
    Patent number: 5612335
    Abstract: The invention relates to cyclic derivatives of general formula ##STR1## wherein R.sub.a, R.sub.b, X and Y are as defined in claim 1, the tautomers, the stereoisomers including the mixtures thereof and the salts thereof, particularly the physiologically acceptable salts thereof with organic or inorganic acids or bases, which have valuable pharmacological properties, preferably aggregation-inhibiting effects, pharmaceutical compositions containing the compounds and processes for preparing them.
    Type: Grant
    Filed: May 2, 1995
    Date of Patent: March 18, 1997
    Assignee: Karl Thomae GmbH
    Inventors: F. Himmelsbach, Helmut Pieper, Volkhard Austel, Gunter Linz, Brian Guth, Thomas Muller, Johannes Weisenberger
  • Cyclic derivatives pharmaceutical compositions containing these compounds and processes for preparing them
    Patent number: 5519036
    Abstract: The invention relates to cyclic derivatives of general formula ##STR1## wherein R.sub.a, R.sub.b, X and Y are as defined in claim 1, the tautomers, the stereoisomers including the mixtures thereof and the salts thereof, particularly the physiologically acceptable salts thereof with organic or inorganic acids or bases, which have valuable pharmacological properties, preferably aggregation-inhibiting effects, pharmaceutical compositions containing the compounds and processes for preparing them.
    Type: Grant
    Filed: February 22, 1994
    Date of Patent: May 21, 1996
    Assignee: Karl Thomae GmbH
    Inventors: F. Himmelsbach, Helmut Pieper, Volkhard Austel, Gunter Linz, Brian Guth, Thomas Muller, Johannes Weisenberger