Patents by Inventor Brian Guth

Brian Guth 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 urea derivatives, pharmaceutical compositions containing these compounds and processes for preparing them
    Patent number: 5681841
    Abstract: The invention relates to cyclic urea derivatives of general formula I ##STR1## wherein R.sub.a, R.sub.b, X and Y are defined as in claim 1, the tautomers, stereoisomers and salts thereof, particularly the physiologically acceptable salts thereof with inorganic or organic acids or bases, which have valuable pharmacological properties, preferably aggregation inhibiting effects, and to drugs containing the compounds and processes for preparing them.
    Type: Grant
    Filed: September 10, 1993
    Date of Patent: October 28, 1997
    Assignee: Karl Thomae GmbH
    Inventors: Frank Himmelsbach, Volkhard Austel, Gunter Linz, Helmut Pieper, 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
  • Bicyclic heterocyclic compounds, pharmaceutical preparations containing these compounds and processes for their preparations
    Patent number: 5607944
    Abstract: The invention relates to bicyclic heterocyclic compounds of general formula ##STR1## wherein A to F, Y.sub.1 and Y.sub.2 are defined as in claim 1, the tautomers thereof, the stereoisomers thereof including their mixtures, and 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 as well as new intermediate products of general formula Ia.
    Type: Grant
    Filed: July 31, 1995
    Date of Patent: March 4, 1997
    Assignee: Karl Thomae GmbH
    Inventors: G unter Linz, Frank Himmelsbach, Helmut Pieper, Volkhard Austel, Thomas M uller, Johannes Weisenberger, Brian Guth
  • 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
  • Carboxylic acid derivatives, pharmaceutical compositions containing these compounds and processes for preparing them
    Patent number: 5442064
    Abstract: The invention relates to carboxylic acid derivatives of general formulaA--B--C--D--E--F--G (I)whereinA to G are defined as in claim 1, the tautomers thereof, the stereoisomers thereof including the mixtures thereof and the addition salts thereof, particularly the physiologically acceptable salts with inorganic or organic acids or bases, which have valuable pharmacological properties, preferably inhibitory effects on aggregation, and to pharmaceutical compositions containing the compounds and processes for preparing them.
    Type: Grant
    Filed: October 12, 1993
    Date of Patent: August 15, 1995
    Assignee: Dr. Karl Thomae GmbH
    Inventors: Helmut Pieper, Gunter Linz, Frank Himmelsbach, Volkhard Austel, Thomas Muller, Johannes Weisenberger, Brian Guth