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).

  • Patent number: 8586608
    Abstract: 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 transduction
    Type: Grant
    Filed: September 21, 2009
    Date of Patent: November 19, 2013
    Assignee: Boehringer Ingelheim Pharma GmbH & Co. KG
    Inventors: Frank Himmelsbach, Elke Langkopf, Stefan Blech, Birgit Jung, Anke Baum, Flavio Solca
  • Publication number: 20110046168
    Abstract: 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 med
    Type: Application
    Filed: October 28, 2010
    Publication date: February 24, 2011
    Applicant: BOEHRINGER INGELHEIM PHARMA GMBH & CO. KG
    Inventors: Frank HIMMELSBACH, Elke LANGKOPF, Stefan BLECH, Birgit JUNG, Anke BAUM, Flavio SOLCA
  • Publication number: 20100010023
    Abstract: 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 transduction
    Type: Application
    Filed: September 21, 2009
    Publication date: January 14, 2010
    Applicant: BOEHRINGER INGELHEIM PHARMA GMBH & CO. KG
    Inventors: Frank HIMMELSBACH, Elke LANGKOPF, Stefan BLECH, Birgit JUNG, Anke BAUM, Flavio SOLCA
  • Publication number: 20090203683
    Abstract: 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: Application
    Filed: April 14, 2009
    Publication date: August 13, 2009
    Applicant: BOEHRINGER INGELHEIM PHARMA GMBH & CO. KG
    Inventors: Frank HIMMELSBACH, Elke LANGKOPF, Stefan BLECH, Birgit JUNG, Thomas METZ, Flavio SOLCA
  • Publication number: 20080300304
    Abstract: 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: Application
    Filed: December 20, 2006
    Publication date: December 4, 2008
    Inventors: Thomas Ebner, Eva Christine Ludwig-Schwellinger, Stefan Blech, Rolf-Stefan Brickl
  • Publication number: 20060100223
    Abstract: 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 med
    Type: Application
    Filed: December 21, 2005
    Publication date: May 11, 2006
    Applicant: Boehringer Ingelheim Pharma GmbH & Co. KG
    Inventors: Frank Himmelsbach, Elke Langkopf, Stefan Blech, Birgit Jung, Anke Baum, Flavio Solca
  • Patent number: 7019012
    Abstract: 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 med
    Type: Grant
    Filed: December 17, 2001
    Date of Patent: March 28, 2006
    Assignee: Boehringer Ingelheim International Pharma GmbH & Co. KG
    Inventors: Frank Himmelsbach, Elke Langkopf, Stefan Blech, Birgit Jung, Anke Baum, Flavio Solca
  • Publication number: 20060063752
    Abstract: 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: Application
    Filed: November 4, 2005
    Publication date: March 23, 2006
    Applicant: Boehringer Ingelheim Pharma GmbH & Co. KG
    Inventors: Frank Himmelsbach, Elke Langkopf, Stefan Blech, Birgit Jung, Thomas Metz, Flavio Solca
  • Publication number: 20060051437
    Abstract: 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: Application
    Filed: August 23, 2005
    Publication date: March 9, 2006
    Applicant: Boehringer Ingelheim International GmbH
    Inventors: Thomas Ebner, Eva Ludwig-Schwellinger, Stefan Blech
  • Patent number: 6972288
    Abstract: 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: Grant
    Filed: February 24, 2000
    Date of Patent: December 6, 2005
    Assignee: Boehringer Ingelheim Pharma KG
    Inventors: Frank Himmelsbach, Elke Langkopf, Birgit Jung, Thomas Metz, Flavio Solca, Stefan Blech
  • Patent number: 6740651
    Abstract: 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: Grant
    Filed: August 22, 2001
    Date of Patent: May 25, 2004
    Assignee: Boehringer Ingelheim Pharma KG
    Inventors: Frank Himmelsbach, Elke Langkopf, Birgit Jung, Stefan Blech, Flavio Solca
  • Patent number: 6656946
    Abstract: 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: Grant
    Filed: August 22, 2001
    Date of Patent: December 2, 2003
    Assignee: Boehringer Ingelheim Pharma KG
    Inventors: Frank Himmelsbach, Elke Langkopf, Birgit Jung, Stefan Blech, Flavio Solca
  • Patent number: 6653305
    Abstract: 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 3
    Type: Grant
    Filed: August 15, 2001
    Date of Patent: November 25, 2003
    Assignee: Boehringer Ingelheim Pharma KG
    Inventors: Frank Himmelsbach, Elke Langkopf, Birgit Jung, Stefan Blech, Flavio Solca
  • Publication number: 20030211979
    Abstract: 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: Application
    Filed: January 3, 2003
    Publication date: November 13, 2003
    Applicant: Boehringer Ingelheim Pharma GmbH & Co. KG
    Inventors: Stefan Blech, Pilar Garin-Chesa, Martin Lenter, John Edward Park, Stefan Peters, Steffen Breitfelder
  • Patent number: 6627634
    Abstract: 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: Grant
    Filed: March 23, 2001
    Date of Patent: September 30, 2003
    Assignee: Boehringer Ingelheim Pharma KG
    Inventors: Frank Himmelsbach, Elke Langkopf, Birgit Jung, Stefan Blech, Flavio Solca
  • Patent number: 6617329
    Abstract: 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: Grant
    Filed: August 23, 2001
    Date of Patent: September 9, 2003
    Assignee: Boehringer Ingelheim Pharma KG
    Inventors: Frank Himmelsbach, Elke Langkopf, Birgit Jung, Stefan Blech, Flavio Solca
  • Patent number: 6492377
    Abstract: 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: Grant
    Filed: April 26, 2000
    Date of Patent: December 10, 2002
    Assignee: Boehringer Ingelheim Pharma KG
    Inventors: 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
  • Publication number: 20020177601
    Abstract: A compound of formula (I) 1
    Type: Application
    Filed: August 23, 2001
    Publication date: November 28, 2002
    Inventors: Frank Himmelsbach, Elke Langkopf, Stefan Blech, Birgit Jung, Thomas Metz, Flavio Solca
  • Publication number: 20020173509
    Abstract: A compound of general formula I 1
    Type: Application
    Filed: December 17, 2001
    Publication date: November 21, 2002
    Inventors: Frank Himmelsbach, Elke Langkopf, Stefan Blech, Birgit Jung, Anke Baum, Flavio Solca
  • Patent number: RE43431
    Abstract: 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 med
    Type: Grant
    Filed: August 18, 2009
    Date of Patent: May 29, 2012
    Assignee: Boehringer Ingelheim Pharma GmbH & Co. KG
    Inventors: Frank Himmelsbach, Elke Langkopf, Stefan Blech, Birgit Jung, Anke Baum, Flavio Solca