Patents by Inventor Siegbert Hebisch

Siegbert Hebisch 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: 5225558
    Abstract: The present invention relates to new 2-amino-5-cyano-4-quinoline-1,4-dihydropyridines, processes for their preparation and their use in medicaments, in particular in agents for the treatment of cardiovascular diseases.
    Type: Grant
    Filed: May 20, 1992
    Date of Patent: July 6, 1993
    Assignee: Bayer Aktiengesellschaft
    Inventors: Jurgen Stoltefuss, Siegfried Goldmann, Alexander Straub, Horst Boshagen, Martin Bechem, Rainer Gross, Siegbert Hebisch, Joachim Hutter, Howard-Paul Rounding
  • Patent number: 5204472
    Abstract: Positive inotropically active 4-quinolyl-dihydropyridines of the formula ##STR1## in which R.sup.1 and R.sup.5 are identical or different and represent straight-chain or branched alkyl having up to 8 carbon atoms,R.sup.2 represents nitro or cyano, orR.sup.1 and R.sup.2 together form a lactone ring of the formula ##STR2## R.sup.3 represents a radical of the formula ##STR3## in which R.sup.6 -denotes hydrogen, halogen or straight-chain or branched alkyl or alkoxy in each case having up to 8 carbon atoms,R.sup.7 denotes aryl, thienyl or pyridyl, andR.sup.4 represents hydrogen, or optionally substituted alkyl, alkenyl, alkadienyl or alkynyl,and their physiologically acceptable salts.
    Type: Grant
    Filed: December 13, 1991
    Date of Patent: April 20, 1993
    Assignee: Bayer Aktiengesellschaft
    Inventors: Jurgen Stoltefuss, Horst Boshagen, Siegfried Goldmann, Alexander Straub, Rainer Gross, Joachim Hutter, Siegbert Hebisch, Martin Bechem
  • Patent number: 5200420
    Abstract: 2,6-dialkyl-4-(benzothiazol- or benzoxazol-7-yl)-1,4-dihydropyridines which exhibit positive inotropic action with largely neutral vascular behavior, of the formula ##STR1## in which R.sup.1 and R.sup.5 are identical or different and represent straight-chain or branched alkyl having up to 8 carbon atoms,R.sup.2 represents nitro or cyano, orR.sup.1 and R.sup.2 together form a lactone ring of the formula ##STR2## R.sup.3 represents a radical of the formula ##STR3## R.sup.4 -R.sup.7 are defined hereinafter and physiologically acceptable salts thereof.
    Type: Grant
    Filed: March 29, 1991
    Date of Patent: April 6, 1993
    Assignee: Bayer Aktiengesellschaft
    Inventors: Siegfried Goldmann, Horst Boshagen, Jurgen Stoltefuss, Alexander Straub, Rainer Gross, Joachim Hutter, Siegbert Hebisch, Martin Bechem
  • Patent number: 5138091
    Abstract: Cardioactive dihydropyridines of the formula ##STR1## in which Y is ##STR2## A is H or CH.sub.3, B is --NH, --NH--CO--, --NH--CS--, --NH--COO--, --NH--SO.sub.2 --or --NH--CO--NH-- or --NH--CS--NH--, andR.sup.13 and R.sup.14 each independently is H or an organic radical,and salts thereof. The Y can be hydrolyzed off. The other radicals on the dihydropyridine moiety can also be varied.
    Type: Grant
    Filed: November 9, 1990
    Date of Patent: August 11, 1992
    Assignee: Bayer Aktiengesellschaft
    Inventors: Jurgen Stoltefuss, Martin Bechem, Rainer Gross, Siegbert Hebisch, Matthias Schramm
  • Patent number: 5100900
    Abstract: Positive inotropically active 4-quinolyl-dihydropyridines of the formula ##STR1## in which R.sup.1 and R.sup.5 are identical or different and represent straight-chain or branched alkyl having up to 8 carbon atoms,R.sup.2 represents nitro or cyano, orR.sup.1 and R.sup.2 together form a lactone ring of the formula ##STR2## R.sup.3 represents a radical of the formula ##STR3## in which R.sup.6 - denotes hydrogen, halogen or straight-chain or branched alkyl or alkoxy in each case having up to 8 carbon atoms,R.sup.7 denotes aryl, thienyl or pyridyl, andR.sup.4 represents hydrogen, or optionally substituted alkyl, alkenyl, alkadienyl or alkynyl,and their physiologically acceptable salts.
    Type: Grant
    Filed: March 29, 1991
    Date of Patent: March 31, 1992
    Assignee: Bayer Aktiengesellschaft
    Inventors: Jurgen Stoltefuss, Horst Boshagen, Siegfried Goldmann, Alexander Straub, Rainer Gross, Joachim Hutter, Siegbert Hebisch, Martin Bechem
  • Patent number: 5051433
    Abstract: Hypertension and cardiac insufficiency can be controlled by 4-nitrophenyl-dihydropyridine amides of the formula ##STR1## in which X can be ethylene or the like,Y is pyridyl or --NR.sup.9 R.sup.10, andR.sup.9 and R.sup.10 each independently is hydrogenor an organic group, or together form a ring, and physiologically tolerated salts thereof. Compounds in which R.sup.5 and R.sup.6 are not aryl or aralkyl are new.
    Type: Grant
    Filed: September 27, 1989
    Date of Patent: September 24, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventors: Jurgen Stoltefuss, Eckhard Schwenner, Rainer Gross, Siegbert Hebisch, Matthias Schramm, Martin Bechem, Claudia Hirth, Johannes-Peter Stasch
  • Patent number: 5017590
    Abstract: Cardioactive dihydropyridines of the formula ##STR1## in which Y is ##STR2## A is H or CH.sub.3, B is --NH, --NH--CO--, --NH--CS--, --NH--COO--, --NH--SO.sub.2 --or --NH--CO--NH-- or --NH--CS--NH--, andR.sup.13 and R.sup.14 each independently is H or an organic radical,and salts thereof. The Y can be hydrolyzed off. The other radicals on the dihydropyridine moiety can also be varied.
    Type: Grant
    Filed: June 15, 1989
    Date of Patent: May 21, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventors: Jurgen Stoltefuss, Martin Bechem, Rainer Gross, Siegbert Hebisch, Matthias Schramm
  • Patent number: 5015650
    Abstract: Circulation active dihydropyridine amides of the formula ##STR1## in which R.sup.6 represents a group of the formula --O--(CH.sub.2).sub.n --R.sup.10, --S--(CH.sub.2).sub.n --R.sup.10 --O--SO.sub.2 --(CH.sub.2).sub.n R.sup.10 or --O--CO--(CH.sub.2).sub.n --R.sup.10in whichn denotes 0 to 4,andR.sup.10 denotes cyclohexyl, aryl or a heterocyclic ring,and physiologically acceptable salts thereof.
    Type: Grant
    Filed: September 27, 1989
    Date of Patent: May 14, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventors: Jurgen Stoltefuss, Eckhard Schwenner, Rainer Gross, Siegbert Hebisch, Matthias Schramm, Martin Bechem, Claudia Hirth, Johannes-Peter Stasch
  • Patent number: 5008279
    Abstract: Circulation-active fluoromethoxyphenyldihydropyridines of the formula ##STR1## in which X stands for hydrogen or fluorine andR stands for straight-chain, branched or cyclic alkyl or alkenyl having 2 to 12 carbon atoms which can be interrupted by 1 to 2 oxygen and/or sulphur atoms in the chain, and which can be monosubstituted or polysubstituted(a) by hydroxyl, aryl having 6 to 12 carbon atoms, aryloxy having 6 to 12 carbon atoms, where the aryl radical is again substituted by alkyl having up to 4 carbon atoms, alkoxy having up to 4 carbon atoms or halogen, the substituents being identical or different, or(b) by carboxyl, alkoxycarbonyl having up to 6 carbon atoms, pyridyl, piperidyl, pyrimidyl, acyloxy having up to 7 carbon atoms, sulphamoyl, carbamoyl, halogen or cyano, the substituents being identical or different, or(c) by an amino group, where the amino group can carry one or two identical or different substituents from the group consisting of alkyl having up to 6 carbon atoms, benzyl, phenyl or acyl havi
    Type: Grant
    Filed: October 27, 1988
    Date of Patent: April 16, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventors: Gerhard Franckowiak, Jurgen Stoltefuss, Martin Bechem, Rainer Gross, Michael Kayser, Siegbert Hebisch, Matthias Schramm
  • Patent number: 4904665
    Abstract: A benzylaminoaryl-dihydropyridinelactone compound of the formula (I) ##STR1## in which R.sup.1 represents hydrogen, halogen, cyano, nitro, C.sub.6 -C.sub.12 -aryl, C.sub.1 -C.sub.8 -alkyl, C.sub.1 -C.sub.8 -alkoxy, C.sub.1 -C.sub.6 -alkylthio, trifluoromethyl, trifluoromethoxy, trifluoromethylthio, difluoromethoxy, di-C.sub.1 -C.sub.5 -alkylamino, C.sub.1 -C.sub.6 -alkoxycarboxyl or C.sub.1 -C.sub.6 -alkylsulphonyl,R.sup.2 represents hydrogen, or represents a straight-chain, branched or cyclic, saturated or unsaturated hydrocarbon radical having up to 10 carbon atoms which is optionally substituted by C.sub.1 -C.sub.6 -alkoxy, C.sub.1 -C.sub.6 -alkylthio, C.sub.1 -C.sub.6 -alkylsulphonyl, halogen, cyano, hydroxyl, pyridyl, thienyl, pyrimidyl, piperidinyl, phenyl or an amino group, where the amino group carries two identical or different substituents from the series comprising C.sub.1 -C.sub.5 -alkyl, phenyl or benzyl,R.sup.3 represents C.sub.1 -C.sub.
    Type: Grant
    Filed: February 18, 1988
    Date of Patent: February 27, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Siegfried Goldmann, Rainer Gross, Martin Bechem, Michael Kayser, Matthias Schramm, Siegbert Hebisch
  • Patent number: 4898877
    Abstract: Novel circulation-active cyclohexenecarboxylates of the formula ##STR1## in which R.sup.1 is an organic radical,R.sup.2 is an optionally substituted aryl radical,R.sup.3 is an optionally substituted alkyl or aryl radical,X and Y are --CN, --COR.sup.4, --SO.sub.2 R.sup.4, --COOR.sup.5, --CONR.sup.6 R.sup.7 or --SO.sub.2 NR.sup.6 R.sup.7, andR.sup.4, R.sup.5, R.sup.6 and R.sup.7 are various organic radicals.
    Type: Grant
    Filed: February 18, 1988
    Date of Patent: February 6, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Horst Meyer, Eckhard Schwenner, Martin Bechem, Rainer Gross, Matthias Schramm, Michael Kayser, Siegbert Hebisch