Patents by Inventor Stefan Wohlfeil
Stefan Wohlfeil 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).
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Patent number: 5811429Abstract: The bicyclic heterocyclic compounds are prepared by reaction of correspondingly substituted carboxylic acids with amines, in particular with phenylglycinolamine. The bicyclic heterocyclic compounds according to the invention are suitable as active compounds in medicaments, in particular in medicaments having an antiatherosclerotic action.Type: GrantFiled: December 9, 1996Date of Patent: September 22, 1998Assignee: Bayer AktiengesellschaftInventors: Richard Connell, Siegfried Goldmann, Ulrich Muller, Stefan Lohmer, Hilmar Bischoff, Dirk Denzer, Rudi Grutzmann, Stefan Wohlfeil
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Patent number: 5776964Abstract: The invention relates to phenylacetic acid derivatives which are substituted by a five-membered nitrogen heterocycle bonded via an N atom. They are prepared by reaction of phenylacetic acid derivatives substituted with leaving groups with the appropriate nitrogen heterocycles and can be used as active substances in medicaments for the treatment of high blood pressure and atherosclerosis.Type: GrantFiled: March 1, 1996Date of Patent: July 7, 1998Assignee: Bayer AktiengesellschaftInventors: Ulrich Muller, Klaus Mohrs, Jurgen Dressel, Rudolf Hanko, Walter Hubsch, Michael Matzke, Ulrich Niewohner, Siegfried Raddatz, Thomas Kramer, Matthias Muller-Gliemann, Hans-Peter Bellemann, Martin Beuck, Stanislav Kazda, Stefan Wohlfeil
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Patent number: 5747505Abstract: The heterocyclic aryl-, alkyl- and cycloalklacetamides are prepared by reacting the appropriately substituted acetic acids with amines, if appropriate in complexed form. The heterocyclic aryl-, alkyl- and cycloalkylacetamides can be used as active compounds in medicaments, in particular in antiatherosclerotic medicaments.Type: GrantFiled: September 20, 1996Date of Patent: May 5, 1998Assignee: Bayer AktiengesellschaftInventors: Richard Connell, Siegfried Goldmann, Ulrich Muller, Martin Beuck, Hilmar Bischoff, Dirk Denzer, Rudi Grutzmann, Stefan Wohlfeil
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Patent number: 5714494Abstract: Substituted xanthines of formula ##STR1## in which A represents a radical of the formula ##STR2## in which R.sup.3, R.sup.4, R.sup.6 and R.sup.7 denote hydrogen, cycloalkyl, aryl having 6 to 10 carbon atoms, or denote straight-chain of branched alkyl or alkenyl, each of which is optionally substituted; T, V, X and Y are identical or different and denote an oxygen or sulphur atom; R.sup.5 and R.sup.8 are identical or different and denote hydrogen, halogen, cycloalkyl having 3 to 8 carbon atoms or straight-chain or branched alkyl or alkenyl in each case having up to 8 carbon atoms, optionally substituted or R.sup.5 and R.sup.8 denote aryl having 6 to 10 carbon atoms or a 5- to 7-membered aromatic, optionally benzo-fused heterocycle having up to 3 heteroatoms S, N and/or O, each of which is optionally substituted; L represents an oxygen or sulphur atom; R.sup.2 represents mercapto, hydroxyl, straight-chain or branched alkoxy having up to 8 carbon atoms or the group of the formula ##STR3## in which R.sup.Type: GrantFiled: September 18, 1996Date of Patent: February 3, 1998Assignee: Bayer AktiengesellschaftInventors: Richard Connell, Siegfried Goldmann, Ulrich Muller, Stefan Lohmer, Hilmar Bischoff, Dirk Denzer, Rudi Grutzmann, Stefan Wohlfeil
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Patent number: 5712296Abstract: Substituted pyridines and 2-oxo-1,2-dihydropyridines are prepared by reaction of correspondingly substituted halogenobenzenes with tetrazolylboronic acids. The substituted pyridines and 2-oxo-1,2-dihydropyridines according to the invention can be employed as active compounds in medicaments, in particular for the treatment of arterial hypertension and atherosclerosis.Type: GrantFiled: October 27, 1995Date of Patent: January 27, 1998Assignee: Bayer AktiengesellschaftInventors: Peter Fey, Jurgen Dressel, Rudolf Hanko, Walter Hubsch, Thomas Kramer, Ulrich Muller, Matthias Muller-Gliemann, Martin Beuck, Hilmar Bischoff, Stefan Wohlfeil, Dirk Denzer, Stanislav Kazda, Johannes-Peter Stasch, Andreas Knorr, Siegfried Zaiss
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Patent number: 5708003Abstract: Heterotricyclically substituted phenyl-cyclohexane-carboxylic acid derivatives are prepared by reacting the heterocyclic compounds with cyclohexanecarboxylic acid derivatives which are substituted by benzyl halide radicals. The compounds can be employed as active compounds in medicaments.Type: GrantFiled: September 8, 1995Date of Patent: January 13, 1998Assignee: Bayer AktiengesellschaftInventors: Ulrich E. Muller, Jurgen Dressel, Peter Fey, Rudolf H. Hanko, Walter Hubsch, Thomas Kramer, Matthias Muller-Gliemann, Martin Beuck, Stanislav Kazda, Stefan Wohlfeil, Andreas Knorr, Johannes-Peter Stasch, Siegfried Zaiss
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Patent number: 5693650Abstract: 4-(Quinolin-2-yl-methoxy)-phenyl-acetic acid derivatives are prepared by reacting quinoline-methoxy-phenyl-acetic acids with the corresponding glycinol derivatives, if appropriate with activation of the carboxylic acid function. The new compounds are suitable as active compounds in medicaments, in particular in antiatherosclerotic medicaments.Type: GrantFiled: December 5, 1995Date of Patent: December 2, 1997Assignee: Bayer AktiengesellschaftInventors: Ulrich Muller, Richard Connell, Siegfried Goldmann, Klaus-Helmut Mohrs, Rolf Angerbauer, Matthias Muller-Gliemann, Ulrich Niewohner, Rudi Grutzmann, Martin Beuck, Stefan Wohlfeil, Hilmar Bischoff, Dirk Denzer
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Patent number: 5691337Abstract: Oxy-phenyl-(phenyl)glycinolamides with heterocyclic substituents are prepared by reaction of the corresponding oxyphenylcarboxylic acids with heterocyclic substituents with phenylglycinol. The new substances are suitable as active compounds in medicaments, in particular in agents having an antiatherosclerotic action.Type: GrantFiled: January 13, 1997Date of Patent: November 25, 1997Assignee: Bayer AktiengesellschaftInventors: Ulrich Muller, Richard Connell, Siegfried Goldmann, Klaus-Helmut Mohrs, Siegfried Raddatz, Michael Matzke, Rudi Grutzmann, Martin Beuck, Stefan Wohlfeil, Hilmar Bischoff, Dirk Denzer
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Patent number: 5684014Abstract: Cycloalkano-indole and -azaindole derivatives are prepared by reaction of appropriately substituted carboxylic acids with amines. The cycloalkano-indole and -azaindole derivatives are suitable as active compounds for medicaments, preferably antiatherosclerotic medicaments.Type: GrantFiled: September 28, 1995Date of Patent: November 4, 1997Assignee: Bayer AktiengesellschaftInventors: Ulrich Muller, Richard Connell, Siegfried Goldmann, Rudi Grutzmann, Martin Beuck, Hilmar Bischoff, Dirk Denzer, Anke Domdey-Bette, Stefan Wohlfeil
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Patent number: 5646162Abstract: Oxy-phenyl-(phenyl)gycinolamides with heterocyclic substituents are prepared by reaction of the corresponding oxyphenylcarboxylic acids with heterocyclic substituents with phenylglycinol. The new substances are suitable as active compounds in medicaments, in particular in agents having an antiatherosclerotic action.Type: GrantFiled: December 1, 1995Date of Patent: July 8, 1997Assignee: Bayer AktiengesellschaftInventors: Ulrich Muller, Richard Connell, Siegfried Goldmann, Klaus-Helmut Mohrs, Siegfried Raddatz, Michael Matzke, Rudi Grutzmann, Martin Beuck, Stefan Wohlfeil, Hilmar Bischoff, Dirk Denzer
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Patent number: 5627285Abstract: Sulphonylbenzyl-substituted imidazolylpropenoic acid derivatives can be prepared by reacting sulphonylbenzyl-substituted aldehydes with appropriate CH-acidic compounds and then dehydrating.The sulphonylbenzyl-substituted imidazolylpropenoic acid derivatives can be used in medicaments, in particular for the treatment of high blood pressure and atherosclerosis.Type: GrantFiled: September 6, 1995Date of Patent: May 6, 1997Assignee: Bayer AktiengesellschaftInventors: Rudolf Hanko, J urgen Dressel, Peter Fey, Walter H ubsch, Thomas Kr amer, Ulrich E. M uller, Matthias M uller-Gliemann, Martin Beuck, Stanislav Kazda, Claudia Hirth-Dietrich, Andreas Knorr, Johannes-Peter Stasch, Stefan Wohlfeil, Ozkan Yalkinoglu
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Patent number: 5607962Abstract: Substituted indole derivatives are prepared by reacting appropriate carboxylic acids, if appropriate in the presence of auxiliaries, with appropriate amines. The substituted indole derivatives are suitable as active compounds in medicaments, in particular in medicaments for the treatment of arteriosclerosis and restenosis.Type: GrantFiled: January 25, 1996Date of Patent: March 4, 1997Assignee: Bayer AktiengesellschaftInventors: Matthias M uller-Gliemann, Ulrich M uller, Martin Beuck, Siegfried Zaiss, Christoph Gerdes, Anke Domdey-Bette, Rudi Gr utzmann, Stefan Lohmer, Stefan Wohlfeil, Ozkan Yalkinoglu, James Elting, Dirk Denzer
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Patent number: 5599823Abstract: Substituted biphenylpyridones can be prepared by alkylating pyridones on the nitrogen. The substituted biphenylpyridones are suitable as active substances in medicaments, in particular in hypotensive and anti-atherosclerotic medicaments.Type: GrantFiled: June 29, 1994Date of Patent: February 4, 1997Assignee: Bayer AktiengesellschaftInventors: Matthias M uller-Gliemann, Martin Beuck, Stanislav Kazda, Johannes-Peter Stasch, Andreas Knorr, Stefan Wohlfeil, Walter H ubsch, J urgen Dressel, Peter Fey, Rudolf Hanko, Thomas Kr amer, Ulrich M uller, Siegfried Zaiss
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Patent number: 5596006Abstract: Antihypertensive and antiatherosclerotic trisubstituted biphenyls of the formula ##STR1## in which R.sub.1 represents a carboxyl radical or represents a C.sub.1 -C.sub.8 -alkoxycarbonyl radical,R.sub.2 represents straight-chain or branched C.sub.1 -C.sub.8 -alkyl,R.sub.3 represents halogen, hydroxyl, cyano, C.sub.1 -C.sub.6 -alkoxy, straight-chain or branched C.sub.1 -C.sub.8 -alkyl, trifluoromethyl, trifluoromethoxy, carboxamido, carboxyl, C.sub.1 -C.sub.8 -alkoxycarbonyl or nitroandR.sub.4 represents a carboxyl radical or represents tetrazolyl,and salts thereof.Type: GrantFiled: January 3, 1995Date of Patent: January 21, 1997Assignee: Bayer AktiengesellschaftInventors: J urgen Dressel, Peter Fey, Rudolf Hanko, Walter Hubsch, Thomas Kramer, Ulrich E. M uller, Matthias M uller-Gliemann, Martin Beuck, Stanislav Kazda, Stefan Wohlfeil, Andreas Knorr, Johannes-Peter Stasch, Siegfried Zaiss
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Patent number: 5594010Abstract: The substituted monopyridyl and bipyridyl derivatives are prepared by reacting substituted pyridine halides with phenylboronic acids. They are suitable for use as active compounds in medicaments for treating arterial hypertension and atherosclerosis.Type: GrantFiled: June 17, 1994Date of Patent: January 14, 1997Assignee: Bayer AktiengesellschaftInventors: Peter Fey, Thomas Kr amer, J urgen Dressel, Rudolf Hanko, Walter H ubsch, Ulrich M uller, Matthias M uller-Gliemann, Martin Beuck, Hilmar Bischoff, Stefan Wohlfeil, Dirk Denzer, Stanislav Kazda, Johannes-Peter Stasch, Andreas Knorr, Siegfried Zaiss
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Patent number: 5576342Abstract: Phenylglycinamides of heterocyclically substituted phenylacetic acid derivatives are prepared by reacting phenylacetic acids with glycinamides. The compounds can be used as active compounds in medicaments.Type: GrantFiled: March 18, 1994Date of Patent: November 19, 1996Assignee: Bayer AktiengesellschaftInventors: Ulrich M uller, J urgen Dressel, Peter Fey, Rudolf Hanko, Walter H ubsch, Thomas Kr amer, Matthias M uller-Gliemann, Martin Beuck, Stanislav Kazda, Stefan Wohlfeil, Andreas Knorr, Johannes-Peter Stasch, Siegfried Zaiss
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Patent number: 5530016Abstract: Novel substituted 2,4-imidazolidinediones are prepared either by reaction of .alpha.-aminocarboxylic acid derivatives with appropriately substituted biphenylmethyl halides and subsequent cyclization with isocyanates or by reaction of N-benzyl-substituted .alpha.-aminocarboxylic acid derivatives with tetrazolylphenylboronic acids or by reaction of sulphonyl-substituted benzyl halides with .alpha.-aminocarboxylic acid derivatives and subsequent cyclization with isocyanates. The compounds according to the invention can be employed as active compounds in medicaments, preferably for the treatment of arterial hypertension and arteriosclerosis.Type: GrantFiled: May 18, 1994Date of Patent: June 25, 1996Assignee: Bayer AktiengesellschaftInventors: Thomas Kramer, Rudolf Hanko, Jurgen Dressel, Peter Fey, Walter Hubsch, Ulrich Muller, Matthias Muller-Gliemann, Martin Beuck, Hilmar Bischoff, Stefan Wohlfeil, Dirk Denzer, Stanislav Kazda, Johannes-Peter Stasch, Andreas Knorr, Siegfried Zaiss
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Patent number: 5527809Abstract: Substituted imidazo[4,5-b]pyridines and benzimidazoles are prepared by reacting imidazo[4,5-b]pyridines or benzimidazoles with appropriately substituted benzyl halides. The substituted imidazo[4,5-b]pyridines or benzimidazoles can be employed as active compounds in medicaments, in particular for the treatment of arterial hypertension and atherosclerosis.Type: GrantFiled: January 27, 1994Date of Patent: June 18, 1996Assignee: Bayer AktiengesellschaftInventors: Matthias Muller-Gliemann, Jurgen Dressel, Peter Fey, Rudolf H. Hanko, Walter Hubsch, Thomas Kramer, Ulrich E. Muller, Martin Beuck, Stanislav Kazda, Stefan Wohlfeil, Andreas Knorr, Johannes-Peter Stasch, Siegfried Zaiss
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Patent number: 5521206Abstract: The invention relates to phenylacetic acid derivatives of the formula ##STR1## which are substituted by a five-membered nitrogen heterocycle bonded via an N atom. They are prepared by reaction of phenylacetic acid derivatives substituted with leaving groups with the appropriate nitrogen heterocycles and can be used as active substances in medicaments for the treatment of high blood pressure and atherosclerosis.Type: GrantFiled: April 15, 1994Date of Patent: May 28, 1996Assignee: Bayer AktiengesellschaftInventors: Ulrich Muller, Klaus Mohrs, Jurgen Dressel, Rudolf Hanko, Walter Hubsch, Michael Matzke, Ulrich Niewohner, Siegfried Raddatz, Thomas Kramer, Matthias Muller-Gliemann, Hans-Peter Belleman, Martin Beuck, Stanislav Kazda, Stefan Wohlfeil
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Patent number: 5508299Abstract: Imidazolyl-substituted cyclohexane derivatives are prepared by reacting appropriate cyclohexane derivatives with substituted imidazoles and subsequent variation of the substituents.The imidazolyl-substituted cyclohexane derivatives can be employed as active compounds in medicaments, in particular for the treatment of arterial hypertension and atherosclerosis.Type: GrantFiled: June 21, 1993Date of Patent: April 16, 1996Assignee: Bayer AktiengesellschaftInventors: Ulrich E. Muller, Jurgen Dressel, Peter Fey, Rudolf H. Hanko, Walter Hubsch, Thomas Kramer, Matthias Muller-Gliemann, Martin Beuck, Stanislav Kazda, Andreas Knorr, Johannes-Peter Stasch, Stefan Wohlfeil