Patents by Inventor Elke Seewaldt-Becker

Elke Seewaldt-Becker 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).

  • Heterobiaryl derivatives
    Patent number: 5563268
    Abstract: Heterobiaryl derivatives of the formulaR.sub.1 NH--X.sub.1 --X.sub.2 --X.sub.3 --Y.sub.1 --Y.sub.2 --Y.sub.3 --Y.sub.4 --E (I)whereinR.sub.1, X.sub.1 to X.sub.3 and Y.sub.1 to Y.sub.4 are as defined herein, the tautomers, stereoisomers and mixtures thereof, and the salts, particularly the physiologically acceptable salts, thereof with organic or inorganic acids or bases. The derivatives have valuable pharmacological properties, such as inhibiting cell-cell aggregation and cell-matrix interactions.
    Type: Grant
    Filed: January 19, 1995
    Date of Patent: October 8, 1996
    Assignee: Dr. Karl Thomae GmbH
    Inventors: Guenter Linz, Helmut Pieper, Frank Himmelsbach, Volkhard Austel, Thomas Mueller, Johannes Weisenberger, Elke Seewaldt-Becker
  • Cyclic imino derivatives, pharmaceutical compositions containing these compounds and processes preparing them
    Patent number: 5489693
    Abstract: Cyclic imino derivatives of the formula ##STR1## wherein X and R.sub.a to R.sub.g are as defined herein, useful for their inhibitory effects on aggregation, pharmaceutical compositions containing the compounds and processes for preparing them.
    Type: Grant
    Filed: April 26, 1993
    Date of Patent: February 6, 1996
    Inventors: Guenter Linz, Volkhard Austel, Frank Himmelsbach, Johannes Weisenberger, Thomas Mueller, Helmut Pieper, Elke Seewaldt-Becker
  • 5-membered heterocyclic compounds, processes for preparing them and pharmaceutical compositions containing these compounds
    Patent number: 5463071
    Abstract: Compounds of the formula ##STR1## wherein X.sub.1 to X.sub.5 are as defined herein, the tautomers, the stereoisomers including the mixtures thereof and the salts thereof, particularly the physiologically acceptable salts thereof with inorganic or organic acids or bases. The compounds are useful for inhibiting undesirable cell aggregation.
    Type: Grant
    Filed: November 8, 1993
    Date of Patent: October 31, 1995
    Assignee: Dr. Karl Thomae GmbH
    Inventors: Frank Himmelsbach, Guenter Linz, Volkhard Austel, Helmut Pieper, Thomas Mueller, Johannes Weisenberger, Elke Seewaldt-Becker
  • Condensed 5-membered heterocyclic compounds, processes for preparing them and pharmaceutical preparations containing these compounds
    Patent number: 5434150
    Abstract: The invention relates to cyclic imino derivatives of general formula ##STR1## wherein A to G, R.sub.1, Z.sub.1 to Z.sub.6, X and Y are defined as in claim 1, the tautomers, stereoisomers and mixtures thereof and the salts thereof, particularly the physiologically acceptable salts thereof with inorganic or organic acids or bases, which have valuable pharmacological properties, preferably aggregation-inhibiting properties, pharmaceutical compositions which contain these compounds and processes for preparing them.
    Type: Grant
    Filed: August 28, 1992
    Date of Patent: July 18, 1995
    Assignee: Dr. Karl Thomae GmbH
    Inventors: Volhard Austel, Helmut Pieper, Frank Himmelsbach, Guenter Linz, Thomas Mueller, Johannes Weisenberger, Elke Seewaldt-Becker
  • Heterobiarly derivatives and pharmaceutical compositions thereof
    Patent number: 5418233
    Abstract: Heterobiaryl derivatives of the formulaR.sub.1 NH--X.sub.1 --X.sub.2 --X.sub.3 --Y.sub.1 --Y.sub.2 --Y.sub.3 --Y.sub.4 --E (I)whereinR.sub.1, X.sub.1 to X.sub.3 and Y.sub.1 to Y.sub.4 are as defined herein, the tautomers, stereoisomers and mixtures thereof, and the salts, particularly the physiologically acceptable salts, thereof with organic or inorganic acids or bases. The derivatives have valuable pharmacological properties, such as inhibiting cell-cell aggregation and cell-matrix interactions.
    Type: Grant
    Filed: October 14, 1992
    Date of Patent: May 23, 1995
    Assignee: Karl Thomae GmbH
    Inventors: Guenter Linz, Helmut Pieper, Frank Himmelsbach, Austel: Volkhard, Thomas Mueller, Johannes Weisenberger, Elke Seewaldt-Becker