Patents by Inventor Stefan Blech
Stefan Blech 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: 8586608Abstract: A compound of general formula I wherein: Ra is a benzyl, 1-phenylethyl, or 3-chloro-4-fluorophenyl group; Rb is a dimethylamino, N-methyl-N-ethylamino, diethylamino, N-methyl-N-isopropylamino, N-methyl-N-cyclopropylamino, N-methyl-N-(2-methoxyethyl)amino, N-ethyl-N-(2-methoxyethyl)amino, bis(2-methoxyethyl)amino, morpholino, N-methyl-N-(tetra-hydrofuran-3-yl)amino, N-methyl-N-(tetrahydrofuran-2-ylmethyl)amino, N-methyl-N-(tetra-hydrofuran-3-ylmethyl)amino, N-methyl-N-(tetrahydropyran-4-yl)amino, or N-methyl-N-(tetrahydropyran-4-ylmethyl)amino group; and Rc is a cyclopropylmethoxy, cyclobutyloxy, cyclopentyloxy, tetrahydrofuran-3-yloxy, tetrahydrofuran-2-ylmethoxy, tetrahydrofuran-3-ylmethoxy, tetrahydropyran-4-yloxy, or tetrahydropyran-4-ylmethoxy group, or a tautomer, stereoisomer, or salt thereof, particularly the physiologically acceptable salts thereof with inorganic or organic acids or bases which have valuable pharmacological properties, in particular an inhibitory effect on signal transductionType: GrantFiled: September 21, 2009Date of Patent: November 19, 2013Assignee: Boehringer Ingelheim Pharma GmbH & Co. KGInventors: Frank Himmelsbach, Elke Langkopf, Stefan Blech, Birgit Jung, Anke Baum, Flavio Solca
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Publication number: 20110046168Abstract: A compound of general formula I wherein: Ra is a benzyl, 1-phenylethyl, or 3-chloro-4-fluorophenyl group; Rb is a dimethylamino, N-methyl-N-ethylamino, diethylamino, N-methyl-N-isopropylamino, N-methyl-N-cyclopropylamino, N-methyl-N-(2-methoxyethyl)amino, N-ethyl-N-(2-methoxyethyl)amino, bis(2-methoxyethyl)amino, morpholino, N-methyl-N-(tetrahydrofuran-3-yl)amino, N-methyl-N-(tetrahydrofuran-2-ylmethyl)amino, N-methyl-N-(tetrahydrofuran-3-ylmethyl)amino, N-methyl-N-(tetrahydropyran-4-yl)amino, or N-methyl-N-(tetrahydropyran-4-ylmethyl)amino group; and Rc is a cyclopropylmethoxy, cyclobutyloxy, cyclopentyloxy, tetrahydrofuran-3-yloxy, tetrahydrofuran-2-ylmethoxy, tetrahydrofuran-3-ylmethoxy, tetrahydropyran-4-yloxy, or tetrahydropyran-4-ylmethoxy group, or a tautomer, stereoisomer, or salt thereof, particularly the physiologically acceptable salts thereof with inorganic or organic acids or bases which have valuable pharmacological properties, in particular an inhibitory effect on signal transduction medType: ApplicationFiled: October 28, 2010Publication date: February 24, 2011Applicant: BOEHRINGER INGELHEIM PHARMA GMBH & CO. KGInventors: Frank HIMMELSBACH, Elke LANGKOPF, Stefan BLECH, Birgit JUNG, Anke BAUM, Flavio SOLCA
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Publication number: 20100010023Abstract: A compound of general formula I wherein: Ra is a benzyl, 1-phenylethyl, or 3-chloro-4-fluorophenyl group; Rb is a dimethylamino, N-methyl-N-ethylamino, diethylamino, N-methyl-N-isopropylamino, N-methyl-N-cyclopropylamino, N-methyl-N-(2-methoxyethyl)amino, N-ethyl-N-(2-methoxyethyl)amino, bis(2-methoxyethyl)amino, morpholino, N-methyl-N-(tetra-hydrofuran-3-yl)amino, N-methyl-N-(tetrahydrofuran-2-ylmethyl)amino, N-methyl-N-(tetra-hydrofuran-3-ylmethyl)amino, N-methyl-N-(tetrahydropyran-4-yl)amino, or N-methyl-N-(tetrahydropyran-4-ylmethyl)amino group; and Rc is a cyclopropylmethoxy, cyclobutyloxy, cyclopentyloxy, tetrahydrofuran-3-yloxy, tetrahydrofuran-2-ylmethoxy, tetrahydrofuran-3-ylmethoxy, tetrahydropyran-4-yloxy, or tetrahydropyran-4-ylmethoxy group, or a tautomer, stereoisomer, or salt thereof, particularly the physiologically acceptable salts thereof with inorganic or organic acids or bases which have valuable pharmacological properties, in particular an inhibitory effect on signal transductionType: ApplicationFiled: September 21, 2009Publication date: January 14, 2010Applicant: BOEHRINGER INGELHEIM PHARMA GMBH & CO. KGInventors: Frank HIMMELSBACH, Elke LANGKOPF, Stefan BLECH, Birgit JUNG, Anke BAUM, Flavio SOLCA
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Publication number: 20090203683Abstract: A compound of formula (I) wherein Ra, Rb, Rc, A, B, C, D, and X are as defined herein, or a tautomer, stereoisomer, or salt thereof, particularly a physiologically acceptable salt thereof. In addition, pharmaceutical compositions comprising an effective amount of a compound of formula (I), methods for the treatment or prophylaxis of benign or malignant tumors, diseases of the airways and lungs, polyps, diseases of the gastrointestinal tract, bile duct, gall bladder, kidneys, and skin, and methods for making compounds of formula (I) are disclosed.Type: ApplicationFiled: April 14, 2009Publication date: August 13, 2009Applicant: BOEHRINGER INGELHEIM PHARMA GMBH & CO. KGInventors: Frank HIMMELSBACH, Elke LANGKOPF, Stefan BLECH, Birgit JUNG, Thomas METZ, Flavio SOLCA
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Publication number: 20080300304Abstract: The present invention relates to a process for preparing a ginger fraction, the fraction prepared by this process and the use thereof on its own or combined with drugs for inhibiting human cytochrome P450 (CYP) enzymes (particularly cytochrome P450 3A4, CYP3A4) for positively influencing the oral bioavailability and pharmacokinetics of active substances.Type: ApplicationFiled: December 20, 2006Publication date: December 4, 2008Inventors: Thomas Ebner, Eva Christine Ludwig-Schwellinger, Stefan Blech, Rolf-Stefan Brickl
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Publication number: 20060100223Abstract: A compound of general formula I wherein: Ra is a benzyl, 1-phenylethyl, or 3-chloro-4-fluorophenyl group; Rb is a dimethylamino, N-methyl-N-ethylamino, diethylamino, N-methyl-N-isopropylamino, N-methyl-N-cyclopropylamino, N-methyl-N-(2-methoxyethyl)amino, N-ethyl-N-(2-methoxyethyl)amino, bis(2-methoxyethyl)amino, morpholino, N-methyl-N-(tetrahydrofuran-3-yl)amino, N-methyl-N-(tetrahydrofuran-2-ylmethyl)amino, N-methyl-N-(tetrahydrofuran-3-ylmethyl)amino, N-methyl-N-(tetrahydropyran-4-yl)amino, or N-methyl-N-(tetrahydropyran-4-ylmethyl)amino group; and Rc is a cyclopropylmethoxy, cyclobutyloxy, cyclopentyloxy, tetrahydrofuran-3-yloxy, tetrahydrofuran-2-ylmethoxy, tetrahydrofuran-3-ylmethoxy, tetrahydropyran-4-yloxy, or tetrahydropyran-4-ylmethoxy group, or a tautomer, stereoisomer, or salt thereof, particularly the physiologically acceptable salts thereof with inorganic or organic acids or bases which have valuable pharmacological properties, in particular an inhibitory effect on signal transduction medType: ApplicationFiled: December 21, 2005Publication date: May 11, 2006Applicant: Boehringer Ingelheim Pharma GmbH & Co. KGInventors: Frank Himmelsbach, Elke Langkopf, Stefan Blech, Birgit Jung, Anke Baum, Flavio Solca
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Patent number: 7019012Abstract: A compound of general formula I wherein: Ra is a benzyl, 1-phenylethyl, or 3-chloro-4-fluorophenyl group; Rb is a dimethylamino, N-methyl-N-ethylamino, diethylamino, N-methyl-N-isopropylamino, N-methyl-N-cyclopropylamino, N-methyl-N-(2-methoxyethyl)amino, N-ethyl-N-(2-methoxyethyl)amino, bis(2-methoxyethyl)amino, morpholino, N-methyl-N-(tetrahydrofuran-3-yl)amino, N-methyl-N-(tetrahydrofuran-2-ylmethyl)amino, N-methyl-N-(tetrahydrofuran-3-ylmethyl)amino, N-methyl-N-(tetrahydropyran-4-yl)amino, or N-methyl-N-(tetrahydropyran-4-ylmethyl)amino group; and Rc is a cyclopropylmethoxy, cyclobutyloxy, cyclopentyloxy, tetrahydrofuran-3-yloxy, tetrahydrofuran-2-ylmethoxy, tetrahydrofuran-3-ylmethoxy, tetrahydropyran-4-yloxy, or tetrahydropyran-4-ylmethoxy group, or a tautomer, stereoisomer, or salt thereof, particularly the physiologically acceptable salts thereof with inorganic or organic acids or bases which have valuable pharmacological properties, in particular an inhibitory effect on signal transduction medType: GrantFiled: December 17, 2001Date of Patent: March 28, 2006Assignee: Boehringer Ingelheim International Pharma GmbH & Co. KGInventors: Frank Himmelsbach, Elke Langkopf, Stefan Blech, Birgit Jung, Anke Baum, Flavio Solca
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Publication number: 20060063752Abstract: A compound of formula (I) wherein Ra, Rb, Rc, A, B, C, D, and X are as defined herein, or a tautomer, stereoisomer, or salt thereof, particularly a physiologically acceptable salt thereof. In addition, pharmaceutical compositions comprising an effective amount of a compound of formula (I), methods for the treatment or prophylaxis of benign or malignant tumors, diseases of the airways and lungs, polyps, diseases of the gastrointestinal tract, bile duct, gall bladder, kidneys, and skin, and methods for making compounds of formula (I) are disclosed.Type: ApplicationFiled: November 4, 2005Publication date: March 23, 2006Applicant: Boehringer Ingelheim Pharma GmbH & Co. KGInventors: Frank Himmelsbach, Elke Langkopf, Stefan Blech, Birgit Jung, Thomas Metz, Flavio Solca
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Publication number: 20060051437Abstract: The present invention relates to a process for preparing a ginger fraction, the fraction prepared by this process and the use thereof on its own or combined with drugs for inhibiting human cytochrome P450 (CYP) enzymes (particularly cytochrome P450 3A4, CYP3A4) for positively influencing the oral bioavailability and pharmacokinetics of active substances.Type: ApplicationFiled: August 23, 2005Publication date: March 9, 2006Applicant: Boehringer Ingelheim International GmbHInventors: Thomas Ebner, Eva Ludwig-Schwellinger, Stefan Blech
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Patent number: 6972288Abstract: The present invention relates to bicyclic heterocycles of general formula wherein Ra to Rd, A to G and X are defined as in claim 1, the tautomers, the steroisomers and the salts thereof, particularly the physiologically acceptable salts thereof with inorganic or organic acids or bases which have valuable pharmacological properties, particularly an inhibiting effect on signal transduction mediated by tyrosine kinases, their use for treating diseases, particularly tumoral diseases, diseases of the lungs and respiratory tract, and the preparation thereof.Type: GrantFiled: February 24, 2000Date of Patent: December 6, 2005Assignee: Boehringer Ingelheim Pharma KGInventors: Frank Himmelsbach, Elke Langkopf, Birgit Jung, Thomas Metz, Flavio Solca, Stefan Blech
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Patent number: 6740651Abstract: Compounds of the formula having an inhibitory effect on signal transduction mediated by tyrosine kinases, and the use thereof for treating diseases, particularly tumoral diseases, diseases of the lungs and respiratory tract.Type: GrantFiled: August 22, 2001Date of Patent: May 25, 2004Assignee: Boehringer Ingelheim Pharma KGInventors: Frank Himmelsbach, Elke Langkopf, Birgit Jung, Stefan Blech, Flavio Solca
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Patent number: 6656946Abstract: Compounds of the formula having an inhibitory effect on signal transduction mediated by tyrosine kinases and their use in the treatment of diseases, especially tumoral diseases and diseases of the lungs and airways, and the preparation thereof.Type: GrantFiled: August 22, 2001Date of Patent: December 2, 2003Assignee: Boehringer Ingelheim Pharma KGInventors: Frank Himmelsbach, Elke Langkopf, Birgit Jung, Stefan Blech, Flavio Solca
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Patent number: 6653305Abstract: A compound of formula (I) wherein: Ra is a benzyl or 1-phenylethyl group or a phenyl group substituted by the groups R1 and R2, wherein: R1 is a hydrogen, fluorine, chlorine, or bromine atom, or a methyl, trifluoromethyl, cyano, or ethynyl group, and R2 is a hydrogen or fluorine atom; Rb is an R3O—CO—CH2—N—CH2—CH2—OH group optionally substituted at the methylene groups by 1 or 2 methyl or ethyl groups, wherein R3 is a hydrogen atom or a C1-4-alkyl group, a 2-oxomorpholin-4-yl group optionally substituted by 1 or 2 methyl or ethyl groups, or a N-[(1,3-dioxolan-2-yl)methyl]methylamino group; Rc is a hydrogen atom, or a methoxy, ethoxy, 2-methoxyethoxy, 2-ethoxyethoxy, cyclobutyloxy, cyclopentyloxy, cyclohexyloxy, cyclopropylmethoxy, cyclobutylmethoxy, cyclopentylmethoxy, cyclohexylmethoxy, tetrahydrofuran-3-yloxy, tetrahydropyran-3-yloxy, tetrahydropyran-4-yloxy, tetrahydrofuranylmethoxy, or tetrahydropyranylmethoxy group; and n is 1, 2, or 3Type: GrantFiled: August 15, 2001Date of Patent: November 25, 2003Assignee: Boehringer Ingelheim Pharma KGInventors: Frank Himmelsbach, Elke Langkopf, Birgit Jung, Stefan Blech, Flavio Solca
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Publication number: 20030211979Abstract: The invention relates to a prodrug that is capable of being converted into a drug by the catalytic action of human fibroblast activation protein (FAP&agr;), said prodrug is chemically stable under physiological conditions and can be used for the manufacture of physically stable aqueous formulations. It has a cleavage site which is recognised by FAP&agr;, and the drug released by the enzymatic activity of FAP&agr; is cytotoxic or cytostatic under physiological conditions.Type: ApplicationFiled: January 3, 2003Publication date: November 13, 2003Applicant: Boehringer Ingelheim Pharma GmbH & Co. KGInventors: Stefan Blech, Pilar Garin-Chesa, Martin Lenter, John Edward Park, Stefan Peters, Steffen Breitfelder
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Patent number: 6627634Abstract: Bicyclic heterocycles of general formula wherein: Ra to Rd, A to C and X are as defined herein, the tautomers, the stereoisomers and the salts thereof, particularly the physiologically acceptable salts thereof with inorganic or organic acids or bases, which have valuable pharmacological properties, particularly an inhibitory effect on signal transduction mediated by tyrosine kinases, the use thereof for treating diseases, particularly tumoral diseases, diseases of the lungs and respiratory tract, and the preparation thereof.Type: GrantFiled: March 23, 2001Date of Patent: September 30, 2003Assignee: Boehringer Ingelheim Pharma KGInventors: Frank Himmelsbach, Elke Langkopf, Birgit Jung, Stefan Blech, Flavio Solca
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Patent number: 6617329Abstract: Compounds of the formula having an inhibitory effect on signal transduction mediated by tyrosine kinases, their use in the treatment of diseases, especially tumoral diseases and diseases of the lungs and air-ways, and the preparation thereof.Type: GrantFiled: August 23, 2001Date of Patent: September 9, 2003Assignee: Boehringer Ingelheim Pharma KGInventors: Frank Himmelsbach, Elke Langkopf, Birgit Jung, Stefan Blech, Flavio Solca
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Patent number: 6492377Abstract: New imidazotriazolopyrimidine derivatives of the formula Preferred are those compounds wherein: R1 denotes methyl, which is optionally substituted by phenyloxy or pyrrole; or R1 denotes benzyl which is optionally substituted by hydroxy, methoxy, dimethylaminoethoxy or fluorine; or R1 denotes cyclopentyl, furan or phenylethyl; R2 or R3 denote ethyl, n-propyl, allyl or propargyl; R4 or R6 denote hydrogen; and, R5 denotes methyl, n-propyl, tert.butyl, cyclopentyl or norbornenyl. These are adenosine antagonists are are useful for, inter alia, the treatment of senile dementia of the Alzheimer's type.Type: GrantFiled: April 26, 2000Date of Patent: December 10, 2002Assignee: Boehringer Ingelheim Pharma KGInventors: Stefan Blech, Adrian Carter, Wolfram Gaida, Matthias Hoffmann, Ulrike Kuefner-Muehl, Christopher John Montague Meade, Gerald Pohl, Werner Kummer, Erich Lehr, Joachim Mierau, Thomas Weiser
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Publication number: 20020177601Abstract: A compound of formula (I) 1Type: ApplicationFiled: August 23, 2001Publication date: November 28, 2002Inventors: Frank Himmelsbach, Elke Langkopf, Stefan Blech, Birgit Jung, Thomas Metz, Flavio Solca
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Publication number: 20020173509Abstract: A compound of general formula I 1Type: ApplicationFiled: December 17, 2001Publication date: November 21, 2002Inventors: Frank Himmelsbach, Elke Langkopf, Stefan Blech, Birgit Jung, Anke Baum, Flavio Solca
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Patent number: RE43431Abstract: A compound of general formula I wherein: Ra is a benzyl, 1-phenylethyl, or 3-chloro-4-fluorophenyl group; Rb is a dimethylamino, N-methyl-N-ethylamino, diethylamino, N-methyl-N-isopropylamino, N-methyl-N-cyclopropylamino, N-methyl-N-(2-methoxyethyl)amino, N-ethyl-N-(2-methoxyethyl)amino, bis(2-methoxyethyl)amino, morpholino, N-methyl-N-(tetrahydrofuran-3-yl)amino, N-methyl-N-(tetrahydrofuran-2-ylmethyl)amino, N-methyl-N-(tetrahydrofuran-3-ylmethyl)amino, N-methyl-N-(tetrahydropyran-4-yl)amino, or N-methyl-N-(tetrahydropyran-4-ylmethyl)amino group; and Rc is a cyclopropylmethoxy, cyclobutyloxy, cyclopentyloxy, tetrahydrofuran-3-yloxy, tetrahydrofuran-2-ylmethoxy, tetrahydrofuran-3-ylmethoxy, tetrahydropyran-4-yloxy, or tetrahydropyran-4-ylmethoxy group, or a tautomer, stereoisomer, or salt thereof, particularly the physiologically acceptable salts thereof with inorganic or organic acids or bases which have valuable pharmacological properties, in particular an inhibitory effect on signal transduction medType: GrantFiled: August 18, 2009Date of Patent: May 29, 2012Assignee: Boehringer Ingelheim Pharma GmbH & Co. KGInventors: Frank Himmelsbach, Elke Langkopf, Stefan Blech, Birgit Jung, Anke Baum, Flavio Solca