Patents by Inventor Stephan Karl Zahn

Stephan Karl Zahn 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).

  • Tosylacetate based compounds and derivatives thereof as PHGDH inhibitors
    Patent number: 11304929
    Abstract: The present invention encompasses compounds of formula (I), wherein the groups R1 to R, A1 to A4 and n have the meanings given in the claims and specification, their use as inhibitors of PHGDH, pharmaceutical compositions which contain compounds of this kind and their use as medicaments, especially as agents for treatment and/or prevention of oncological diseases.
    Type: Grant
    Filed: March 13, 2018
    Date of Patent: April 19, 2022
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Harald Weinstabl, Georg Dahmann, Matthias Treu, Bernd Wellenzohn, Stephan Karl Zahn
  • TOSYLACETATE BASED COMPOUNDS AND DERIVATIVES THEREOF AS PHGDH INHIBITORS
    Publication number: 20220008386
    Abstract: The present invention encompasses compounds of formula (I), wherein the groups R1 to R, A1 to A4 and n have the meanings given in the claims and specification, their use as inhibitors of PHGDH, pharmaceutical compositions which contain compounds of this kind and their use as medicaments, especially as agents for treatment and/or prevention of oncological diseases.
    Type: Application
    Filed: March 18, 2018
    Publication date: January 13, 2022
    Inventors: Harald WEINSTABL, Georg DAHMANN, Matthias TREU, Bernd WELLENZOHN, Stephan Karl ZAHN
  • 5,8-dimethyl-9-phenyl-5,8-dihydro-6H-pyrazolo[3,4-h]quinazolin-2-yl)-(1H-pyrazol-3-yl)-amines as IGF-1R/IR inhibitors
    Patent number: 10414769
    Abstract: The present invention encompasses compounds of formula (I) wherein the groups A, R and q are defined in claim 1, their use as inhibitors of IGF-1R, pharmaceutical compositions which contain compounds of this kind and their use as medicaments, especially as agents for treatment and/or prevention of oncological diseases.
    Type: Grant
    Filed: May 10, 2016
    Date of Patent: September 17, 2019
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Matthias Treu, Stephan Karl Zahn
  • NEW 5,8-DIMETHYL-9-PHENYL-5,8-DIHYDRO-6H-PYRAZOLO[3,4-H]QUINAZOLIN-2-YL)-(1H-PYRAZOL-3-YL)-AMINES AND DERIVATIVES AS IGF-1R/IR INHIBITORS
    Publication number: 20180141948
    Abstract: The present invention encompasses compounds of formula (I) wherein the groups A, R and q are defined in claim 1, their use as inhibitors of IGF-1 R, pharmaceutical compositions which contain compounds of this kind and their use as medicaments, especially as agents for treatment and/or prevention of oncological diseases.
    Type: Application
    Filed: May 10, 2016
    Publication date: May 24, 2018
    Inventors: Matthias TREU, Stephan Karl ZAHN
  • Anticancer compounds
    Patent number: 8937095
    Abstract: The invention describes dual Aurora kinase/MEK inhibitors and their use in therapy.
    Type: Grant
    Filed: July 9, 2013
    Date of Patent: January 20, 2015
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Stephan Karl Zahn, Patrizia Sini, Bojan Bister
  • Pyrido [5, 4-D] pyrimidines as cell proliferation inhibitors
    Patent number: 8653087
    Abstract: The present invention encompasses compounds of general formula (1) wherein the groups R1 to R4, X1, X2, X3, L1 and L2 are defined as in claim 1, which are suitable for the treatment of diseases characterized by excessive or anomalous cell proliferation, and the use thereof in such a treatment.
    Type: Grant
    Filed: September 8, 2009
    Date of Patent: February 18, 2014
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Andreas Mantoulidis, Georg Dahmann, Peter Ettmayer, Christian Klein, Steffen Steurer, Irene Waizenegger, Stephan Karl Zahn
  • Anticancer Compounds
    Publication number: 20140018405
    Abstract: The invention describes dual Aurora kinase/MEK inhibitors and their use in therapy.
    Type: Application
    Filed: July 9, 2013
    Publication date: January 16, 2014
    Applicant: BOEHRINGER INGELHEIM INTERNATIONAL GMBH
    Inventors: Stephan Karl ZAHN, Patrizia SINI, Bojan BISTER
  • CRYSTALLINE FORM OF A INDOLINONE DERIVATIVE AND ITS USE
    Publication number: 20140018372
    Abstract: A crystalline form of 3-{3-[1-(4-Dimethylaminomethyl-phenylamino)-1-phenyl-meth-(Z)-ylidene]-2-oxo-2,3-dihydro-1H-indol-6-yl}-propynoic acid ethylamide.
    Type: Application
    Filed: July 9, 2013
    Publication date: January 16, 2014
    Applicant: BOEHRINGER INGELHEIM INTERNATIONAL GMBH
    Inventors: Gerd-Michael MAIER, Anke BAUM, Bodo BETZEMEIER, Manuel HENRY, Rolf HERTER, Ulrich REISER, Patrizia SINI, Dirk WEBER, Ulrike WERTHMANN, Stephan Karl ZAHN
  • Compounds
    Patent number: 8623887
    Abstract: The present invention encompasses compounds of general formula (1) wherein R1, R2, R4, Rg, X, m, n and p are defined as in claim 1, which are suitable for the treatment of diseases characterized by excessive or abnormal cell proliferation, and their use for preparing a pharmaceutical composition having the above-mentioned properties.
    Type: Grant
    Filed: May 11, 2007
    Date of Patent: January 7, 2014
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Stephan Karl Zahn, Bojan Bister, Guido Boehmelt, Ulrich Guertler, Andreas Mantoulidis, Ulrich Reiser, Andreas Schoop, Flavio Solca, Ulrike Tontsch-Grunt, Matthias Treu
  • 2,4-DIAMINO-PYRIMIDINES AS AURORA INHIBITORS
    Publication number: 20130281429
    Abstract: The present invention encompasses compounds of general formula (1) wherein R1 to R3 are defined as in claim 1, which are suitable for the treatment of diseases characterised by excessive or abnormal cell proliferation, and the use thereof for preparing a pharmaceutical composition having the above-mentioned properties.
    Type: Application
    Filed: March 26, 2013
    Publication date: October 24, 2013
    Applicant: BOEHRINGER INGELHEIM INTERNATIONAL GMBH
    Inventors: Stephan Karl ZAHN, Guido BOEHMELT, Andreas MANTOULIDIS, Ulrich REISER, Matthias TREU, Ulrich GUERTLER, Andreas SCHOOP, Flavio SOLCA, Ulrike TONTSCH-GRUNT, Ralph BRUECKNER, Charlotte REITHER, Lars HERFURTH, Oliver KRAEMER, Heinz STADTMUELLER, Harald ENGELHARDT
  • Benzylic oxindole pyrimidines
    Patent number: 8546443
    Abstract: The present invention encompasses compounds of general formula (I) wherein the groups R5 to R10, A, L1, B, m and p are defined as in claim 1, which are suitable for the treatment of diseases characterized by excessive or abnormal cell proliferation, pharmaceutical preparations which contain such compounds and their use as medicaments.
    Type: Grant
    Filed: December 19, 2011
    Date of Patent: October 1, 2013
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Matthias Treu, Stephan Karl Zahn, Patricia Amouzegh, Cristina Lecci, Heather Tye
  • BENZYLIC OXINDOLE PYRIMIDINES
    Publication number: 20120329771
    Abstract: The present invention encompasses compounds of general formula (I) wherein the groups R5 to R10, A, L1, B, m and p are defined as in claim 1, which are suitable for the treatment of diseases characterised by excessive or abnormal cell proliferation, pharmaceutical preparations which contain such compounds and their use as medicaments.
    Type: Application
    Filed: December 19, 2011
    Publication date: December 27, 2012
    Applicant: BOEHRINGER INGELHEIM INTERNATIONAL GMBH
    Inventors: Matthias TREU, Stephan Karl ZAHN, Patricia AMOUZEGH, Cristina LECCI, Heather TYE
  • INDOLINE DERIVATIVES AND THEIR USE IN TREATING DISEASE-STATES SUCH AS CANCER
    Publication number: 20120270859
    Abstract: The present invention encompasses compounds of general formula (1) wherein R1 to R4 are defined as in claim 1, which are suitable for the treatment of diseases characterised by excessive or abnormal cell proliferation, and their use for preparing a pharmaceutical composition having the above-mentioned properties.
    Type: Application
    Filed: June 14, 2012
    Publication date: October 25, 2012
    Applicant: BOEHRINGER INGELHEIM INTERNATIONAL GMBH
    Inventors: Matthias TREU, Ulrich GUERTLER, Thomas KARNER, Oliver KRAEMER, Jens Juergen QUANT, Stephan Karl ZAHN
  • Substituted indolines as tyrosine kinase inhibitors
    Patent number: 8207179
    Abstract: The present invention encompasses compounds of general Formula (1) wherein R2, R3, Q, W, X, Y and Z are defined as in claim 1, which are suitable for the treatment of diseases characterized by excessive or abnormal cell proliferation, and the use thereof for preparing a medicament having the above-mentioned properties.
    Type: Grant
    Filed: June 9, 2008
    Date of Patent: June 26, 2012
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Harald Engelhardt, Bodo Betzemeier, Guido Boehmelt, Ulrich Guertler, Thomas Karner, Oliver Kraemer, Daniel Kuhn, Jens Juergen Quant, Ulrich Reiser, Otmar Schaaf, Flavio Solca, Heinz Stadtmueller, Ulrike Tontsch-Grunt, Matthias Treu, Stephan Karl Zahn
  • PYRIDO [5, 4-D] PYRIMIDINES AS CELL PROLIFERATION INHIBITORS
    Publication number: 20120094975
    Abstract: The present invention encompasses compounds of general formula (1) wherein the groups R1 to R4, X1, X1, X3, L1 and L2 are defined as in claim 1, which are suitable for the treatment of diseases characterised by excessive or anomalous cell pro-liferation, and the use thereof in such a treatment.
    Type: Application
    Filed: September 8, 2009
    Publication date: April 19, 2012
    Applicant: BOEHRINGER INGELHEIM INTERNATIONAL GMBH
    Inventors: Andreas Mantoulidis, Georg Dahmann, Peter Ettmayer, Christian Klein, Steffen Steurer, Irene Waizenegger, Stephan Karl Zahn
  • 2,4-DIAMINO-PYRIMIDINES AS AURORA INHIBITORS
    Publication number: 20110251174
    Abstract: The present invention encompasses compounds of general formula (1) wherein R1 to R3 are defined as in claim 1, which are suitable for the treatment of diseases characterised by excessive or abnormal cell proliferation, and the use thereof for preparing a pharmaceutical composition having the above-mentioned properties.
    Type: Application
    Filed: June 14, 2011
    Publication date: October 13, 2011
    Applicant: BOEHRINGER INGELHEIM INTERNATIONAL GMBH
    Inventors: Stephan Karl ZAHN, Guido BOEHMELT, Andreas MANTOULIDIS, Ulrich REISER, Matthias TREU, Ulrich GUERTLER, Andreas SCHOOP, Flavio SOLCA, Ulrike TONTSCH-GRUNT, Ralph BRUECKNER, Charlotte REITHER, Lars HERFURTH, Oliver KRAEMER, Heinz STADTMUELLER, Harald ENGELHARDT
  • Pyrimidines as PLK inhibitors
    Publication number: 20110086842
    Abstract: The present invention encompasses compounds of general formula (1), wherein A, W, X, Y, Z, Ra, Rb, Rc, R1 and R3 are defined as in claim 1, which are suitable for the treatment of diseases characterised by excessive or abnormal cell proliferation, and the use thereof for preparing a pharmaceutical composition having the above-mentioned properties.
    Type: Application
    Filed: December 20, 2010
    Publication date: April 14, 2011
    Applicant: BOEHRINGER INGELHEIM INTERNATIONAL GMBH
    Inventors: Heinz STADTMUELLER, Harald ENGELHARDT, Martin STEEGMAIER, Anke BAUM, Ulrich GUERTLER, Andreas SCHOOP, Jens Juergen QUANT, Flavio SOLCA, Rudolf HAUPTMANN, Ulrich REISER, Stephan Karl ZAHN, Lars HERFURTH
  • NEW COMPOUNDS
    Publication number: 20100222331
    Abstract: The present invention encompasses compounds of general Formula (1) wherein R2, R3, Q, W, X, Y and Z are defined as in claim 1, which are suitable for the treatment of diseases characterised by excessive or abnormal cell proliferation, and the use thereof for preparing a medicament having the above-mentioned properties.
    Type: Application
    Filed: June 9, 2008
    Publication date: September 2, 2010
    Applicant: BOEHRINGER INGELHEIM INTERNATIONAL GMBH
    Inventors: Harald Engelhardt, Bodo Betzemeier, Guido Boehmelt, Ulrich Guertler, Thomas Karner, Oliver Kraemer, Daniel Kuhn, Jens Juergen Quant, Ulrich Reiser, Otmar Schaaf, Flavio Solca, Heinz Stadtmueller, Ulrike Tontsch-Grunt, Matthias Treu, Stephan Karl Zahn
  • INDOLINE DERIVATIVES AND THEIR USE IN TREATING DISEASE-STATES SUCH AS CANCER
    Publication number: 20100184747
    Abstract: The present invention encompasses compounds of general formula (1) wherein R1 to R4 are defined as in claim 1, which are suitable for the treatment of diseases characterised by excessive or abnormal cell proliferation, and their use for preparing a pharmaceutical composition having the above-mentioned properties.
    Type: Application
    Filed: June 9, 2008
    Publication date: July 22, 2010
    Applicant: BOEHRINGER INGELHEIM INTERNATIONAL GMBH
    Inventors: Matthias Treu, Ulrich Guertler, Thomas Karner, Oliver Kraemer, Jens Juergen Quant, Stephan Karl Zahn
  • Compounds
    Publication number: 20100144706
    Abstract: The present invention encompasses compounds of general formula (1) wherein R1 to R4, X and n are defined as in claim 1, which are suitable for the treatment of ailments characterised by excessive or abnormal cell proliferation, and the use thereof for preparing a medicament having the above-mentioned properties.
    Type: Application
    Filed: December 20, 2007
    Publication date: June 10, 2010
    Applicant: BOEHRINGER INGELHEIM INTERNATIONAL GMBH
    Inventors: Stephan Karl Zahn, Guido Boehmelt, Ulrich Guertler, Andreas Mantoulidis, Andreas Schoop, Flavio Solca, Ulrike Tontsch-Grunt, Matthias Treu