Patents by Inventor Wolfgang Kehrbach

Wolfgang Kehrbach 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: 5843948
    Abstract: Compounds having fibrinogen receptor-antagonistic activity, of the general formula I ##STR1## in which Z is oxygen or a methylene group,B is a phenyl or pyridyl radical,R.sup.1 is hydrogen or a group forming a biolabile ester, and their physiologically acceptable acid addition salts and physiologically acceptable salts of acids of formula I.
    Type: Grant
    Filed: December 19, 1997
    Date of Patent: December 1, 1998
    Assignee: Solvay Pharmaceuticals GmbH
    Inventors: Wolfgang Kehrbach, Uwe Schoen, Jack A. J. den Hartog, Jan H. van Maarseveen, Chris G. Kruse, Jochen Antel, Jan-Hendrik Reinders, Dieter Ziegler, Gerhard-Wilhelm Bielenberg
  • Patent number: 5679699
    Abstract: 3-(Phenylalkylaminoalkyloxy)-heteroaryl compounds having heart rate lowering and/or anti-ischemic effects, methods for their preparation and pharmaceutical compositions containing them are described. The compounds correspond to the general formula I ##STR1## or to the general formula XXXI ##STR2## in which the substituents have the meanings given in the specification.
    Type: Grant
    Filed: December 21, 1995
    Date of Patent: October 21, 1997
    Assignee: Kali-Chemie Pharma GmbH
    Inventors: Wolfgang Kehrbach, Michael Mlinaric, Dieter Ziegler, Reinhard Brueckner, Willi Bielenberg
  • Patent number: 5547967
    Abstract: 3-(Phenylalkylaminoalkylozy)-heteroaryl compounds having heart rate lowering and/or anti-ischemic effects, methods for their preparation and pharmaceutical compositions containing them are described. The compounds correspond to the general formula I ##STR1## or to the general formula XXXI ##STR2## in which the substituents have the meanings given the specification.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: August 20, 1996
    Assignee: Kali-Chemie Pharma GmbH
    Inventors: Wolfgang Kehrbach, Michael Mlinaric, Dieter Ziegler, Reinhard Brueckner, Willi Bielenberg
  • Patent number: 4983611
    Abstract: 3-sulfonyl-3,7-diazabicyclo[3,3,1]nonane compounds corresponding to the formula: ##STR1## wherein R.sup.1 is alkyl, cycloalkylalkyl or benzyl,R.sup.2 is hydrogen or lower alkyl,R.sup.3 is hydrogen or lower alkyl orR.sup.2 and R.sup.3 together form an alkylene chain, andR.sup.4 represents lower alkyl, thienyl, halogen substituted thienyl or a --(CH.sub.2).sub.n --R.sup.5 group, wherein n=0-3 andR.sup.5 is an optionally substituted phenyl group.The compounds are pharmacologically active, particularly in influencing the motility of the stomach.
    Type: Grant
    Filed: September 25, 1989
    Date of Patent: January 8, 1991
    Assignee: Kali-Chemie Pharma GmbH
    Inventors: Uwe Schon, Wolfgang Kehrbach, Klaus-Ullrich Wolf
  • Patent number: 4912113
    Abstract: 3,7-Diazabicyclo[3,3,1]nonane compounds having valuable heart rate-affecting pharmacological properties corresponding to the Formula I: ##STR1## wherein R.sup.1 is alkyl, cycloalkylalkyl or benzyl,R.sup.2 is lower alkyl,R.sup.3 is lower alkyl, orR.sup.2 and R.sup.3 together form an alkylene chain, andR.sup.4 represents a benzhydryl group, optionally substituted by halogen, lower alkoxy, lower alkyl, hydroxy or trifluoromethyl, or a cinnamyl group optionally substituted by halogen, lower alkyl, lower alkoxy, hydroxy, nitro or trifluoromethyl.
    Type: Grant
    Filed: September 2, 1988
    Date of Patent: March 27, 1990
    Assignee: Kali-Chemie Pharma GmbH
    Inventors: Uwe Schon, Wolfgang Kehrbach, Gerd Buschmann, Ulrich Kuhl, Dieter Ziegler
  • Patent number: 4906640
    Abstract: 3-sulfonyl-3,7-diazabicyclo[3,3,1]nonane compounds corresponding to the formula: ##STR1## wherein R.sup.1 is alkyl, cycloalkylalkyl or benzyl,R.sup.2 is hydrogen or lower alkyl,R.sup.3 is hydrogen or lower alkyl orR.sup.2 and R.sup.3 together form an alkylene chain, andR.sup.4 represents lower alkyl, thienyl, halogen substituted thienyl or a --(CH.sub.2).sub.n --R.sup.5 group, wherein n=0-3 andR.sup.5 is an optionally substituted phenyl group.The compounds are pharmacologically active, particularly in influencing the motility of the stomach.
    Type: Grant
    Filed: June 30, 1988
    Date of Patent: March 6, 1990
    Assignee: Kali-Chemie Pharma GmbH
    Inventors: Uwe Schoen, Wolfgang Kehrbach, Klaus-Ullrich Wolf
  • Patent number: 4879299
    Abstract: Compounds of Formula (I)S--(CH2)n--Atm (I)in whichS is a 17-spartein nucleus,n is 0 or 1, andA is 2-furyl, 2-thienyl or 2-(N-loweralkyl)pyrrylwhen n=0, or3-furyl or 3-thienyl when n=1, or pyridyl, or a phenyl group of Formula (II) ##STR1## in which at least one of R.sub.1, R.sub.2 and R.sub.3 is a defined substituent other than hydrogen. Such compounds and corresponding compounds in which A is an unsubstituted phenyl group are useful in pharmaceutical compositions as heart affecting agents. Methods of preparing such compounds and pharmaceutical compositions are disclosed. Also described is the use of such compounds or compositions, particularly compounds or compositions with positive inotropic activity, to treat various heart conditions.
    Type: Grant
    Filed: December 18, 1987
    Date of Patent: November 7, 1989
    Assignee: Kali-Chemie Pharma GmbH
    Inventors: Uwe Schoen, Wolfgang Kehrbach, Bernd Hachmeister, Gerd Buschmann, Ulrich G. Kuehl
  • Patent number: 4771044
    Abstract: Tetraoxo compounds of the Formula (I) ##STR1## wherein R.sup.1 is an alkyl, alkenyl, phenylalkyl or cycloalkylalkyl group,R.sup.2 and R.sup.3 are each independently an alkyl or phenyl group or together denote an alkylene group,W is a (CH.sub.2).sub.n --Q group, in which n is 2 to 10 and Q is(a) a displaceable leaving group X, or(b) Z-R.sup.4, where Z is a 1-piperazinyl group, and R.sup.4 is in position 4, and is hydrogen or a phenyl, substituted phenyl, N-heteroaryl or substituted N-heteroaryl group;and salts and acid addition salts of said compound, and a method for their preparation. Selected compounds of Formula (I) have been found to have central nervous system affecting activity.
    Type: Grant
    Filed: August 19, 1986
    Date of Patent: September 13, 1988
    Assignee: Kali-Chemie Pharma GmbH
    Inventors: Uwe Schoen, Wolfgang Kehrbach, Werner Benson, Andreas Fuchs, Michael Ruhland
  • Patent number: 4755520
    Abstract: Compounds of Formula (I)S--(CH.sub.2).sub.n --A (I)in whichS is a 17-spartein nucleusn is 0 or 1and A is 2-furyl, 2-thienyl or 2-(N-alkyl)pyrryl when n=0, or 3-furyl or 3-thienyl when n=1, or pyridyl or a phenyl group of Formula (II) ##STR1## in which at least one of R.sub.1, R.sub.2 and R.sub.3 is a defined substituent other than hydrogen. Such compounds and corresponding compounds in which A is an unsubstituted phenyl group are useful in pharmaceutical compositions as heart affecting agents. Methods of preparing such compounds and pharmaceutical compositions are also disclosed.
    Type: Grant
    Filed: June 17, 1986
    Date of Patent: July 5, 1988
    Assignee: Kali-Chemie Pharma GmbH
    Inventors: Uwe Schon, Wolfgang Kehrbach, Bernd Hachmeister, Gerd Buschmann, Ulrich G. Kuhl
  • Patent number: 4742172
    Abstract: 3,7-diaza bicyclo-(3,3,1)-nonane compounds of the formula ##STR1## in which substituents R.sub.1, R.sub.2, R.sub.3, R.sub.4, Z.sub.1, and Z.sub.2 indicate the substituents as they are given in the description of the invention, can be employed to produce certain pharmaceutically useful compounds.
    Type: Grant
    Filed: May 27, 1987
    Date of Patent: May 3, 1988
    Assignee: Kali-Chemie Pharma GmbH
    Inventors: Uwe Schoen, Bernd Hachmeister, Wolfgang Kehrbach, Ulrich Kuehl, Gerd Buschmann
  • Patent number: 4695566
    Abstract: 3-(aminoalkylaminocarbonylmethoxy)-5-phenylpyrazole compounds corresponding to the formula: ##STR1## in which R.sub.1, R.sub.2, R.sub.5, R.sub.6, R.sub.7, and R.sub.8 and R.sub.9 may be hydrogen or lower alkyl groups, or R.sub.5 with R.sub.6 and/or R.sub.8 with R.sub.9 may also form specified cyclic groups, R.sub.3 and R.sub.4 may be hydrogen, halogen, lower alkyl, lower alkoxy, trifluoromethyl, nitro, hydroxy or alkylene dioxy, and Z represents an alkylene chain or the 2-hydroxypropylene chain. The compounds possess pharmacological, in particular antiarrhythmic, properties.
    Type: Grant
    Filed: July 2, 1985
    Date of Patent: September 22, 1987
    Assignee: Kali-Chemie Pharma GmbH
    Inventors: Henning Heinemann, Wolfgang Kehrbach, Uwe Schoen, Gerd Buschmann, Ulrich Kuhl
  • Patent number: 4558052
    Abstract: 10-bromosandwicine and 10-bromoisosandwicine and acid addition salts thereof are disclosed. There novel compounds possess valuable pharmacological properties e.g. heart rhythm regulatory properties. Furthermore they are valuable intermediates for the preparation of 10-brominated N.sub.b -quaternary sandwicine derivatives which exhibit heart rhythm regulatory and adrenolytic properties. 10-bromosandwicine is prepared by brominating sandwicine and can subsequently be isomerized into 10-bromoisosandwicine.
    Type: Grant
    Filed: June 8, 1984
    Date of Patent: December 10, 1985
    Assignee: Kali-Chemie Pharma GmbH
    Inventors: Wolfgang Kehrbach, Joachim Wegener
  • Patent number: 4554274
    Abstract: New quaternary derivatives of 10-bromoajmaline and 10-bromoisoajmaline are disclosed which exhibit antiarrhythmic and adrenolytic properties and which have the formula I ##STR1## wherein R represents a carbon-attached organic group containing 1 to 10 carbon atoms and A.sup.- represents an acid anion as well as pharmaceutical formulations thereof and processes and intermediates for their preparation.
    Type: Grant
    Filed: May 31, 1984
    Date of Patent: November 19, 1985
    Assignee: Kali-Chemie Pharma GmbH
    Inventors: Wolfgang Kehrbach, Joachim Wegener, Ulrich Kuehl, Renke Budden, Gerd Buschmann
  • Patent number: 4552877
    Abstract: New N.sub.b -quaternary 10-bromosandwicine and 10-bromoisosandwicine derivatives are disclosed which exhibit antiarrhythmic properties and adrenolytic properties and which have the formula I ##STR1## wherein R represents a carbon-attached organic group containing 1 to 10 carbon atoms and A.sup..crclbar. represents an acid anion, as well as pharmaceutical formulations thereof and processes and intermediates for their preparation.
    Type: Grant
    Filed: May 31, 1984
    Date of Patent: November 12, 1985
    Assignee: Kali-Chemie Pharma GmbH
    Inventors: Wolfgang Kehrbach, Joachim Wegener, Ulrich Kuehl, Renke Budden, Gerd Buschmann
  • Patent number: 4550112
    Abstract: Novel 3,7-diaza bicyclo-(3,3,1)-nonane compounds are described which are represented by the formula: ##STR1## wherein Z.sub.1 and Z.sub.2 each denotes hydrogen,R.sub.1 and R.sub.2 each denotes (A) a substituent which contains up to 12 carbon atoms and which is selected from the group consisting of alkyl, alkenyl, and alkinyl, or (B) a cycloalkyl group containing 3 to 6 carbon atoms which is attached to the nitrogen atom directly or by an alkylene group containing 1 to 3 carbon atoms, andR.sub.3 and R.sub.4 each denotes an alkyl group with up to 7 carbon atoms, or both together form an alkylene chain represented by the formula --(CH.sub.2).sub.n --, wherein n is an integer ranging between about 3 and 6, such that the substituents R.sub.1, R.sub.2, R.sub.3, and R.sub.4 together contain at least 5 carbon atoms. Also described are processes of producing said compounds, pharmaceutical compositions containing compounds of Formula I, and methods of preparing and using said compositions.
    Type: Grant
    Filed: September 16, 1983
    Date of Patent: October 29, 1985
    Assignee: Kali-Chemie Pharma GmbH
    Inventors: Uwe Schoen, Bernd Hachmeister, Wolfgang Kehrbach, Ulrich Kuehl, Gerd Buschmann
  • Patent number: 4415577
    Abstract: Disclosed are a novel dimeric sparteine derivative, the 17S,17'S-bissparteine, and its physiologically compatible acid addition salts. Said compounds are produced by dimerization of 17-hydroxy sparteine or 17-dehydrosparteine salts by means of activated magnesium or an alkali metal. Pharmaceutical compositions containing said novel dimeric sparteine derivatives and their preparation are also described.
    Type: Grant
    Filed: August 19, 1981
    Date of Patent: November 15, 1983
    Assignee: Kali-Chemie Pharma GmbH
    Inventors: Bernd Hachmeister, Wolfgang Kehrbach, Ulrich Kuehl, Gerd Buschmann