Patents by Inventor Ralf R. H. Lotz

Ralf R. H. Lotz 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: 8664232
    Abstract: The present invention relates to substituted xanthines of general formula wherein R1 to R3 are as defined herein, the tautomers, the stereoisomers, the mixtures, the prodrugs thereof and the salts thereof which have valuable pharmacological properties, particularly an inhibiting effect on the activity of the enzyme dipeptidylpeptidase-IV (DPP-IV).
    Type: Grant
    Filed: April 17, 2012
    Date of Patent: March 4, 2014
    Assignee: Boehringer Ingelheim Pharma GmbH & Co. KG
    Inventors: Frank Himmelsbach, Elke Langkopf, Matthias Eckhardt, Michael Mark, Roland Maier, Ralf R. H. Lotz, Mohammad Tadayyon
  • Patent number: 8618132
    Abstract: The present invention relates to alkyne compounds of general formula I wherein the groups and residues A, B, W, X, Y, Z, R1 and R2 have the meanings given in claim 1. The invention further relates to pharmaceutical compositions containing at least one alkyne according to the invention. In view of their MCH-receptor antagonistic activity the pharmaceutical compositions according to the invention are suitable for the treatment of metabolic disorders and/or eating disorders, particularly obesity, bulimia, anorexia, hyperphagia and diabetes.
    Type: Grant
    Filed: May 15, 2008
    Date of Patent: December 31, 2013
    Assignee: Boehringer Ingelheim Pharma GmbH & Co. KG
    Inventors: Dirk Stenkamp, Stephan Georg Mueller, Gerald Juergen Roth, Thorsten Lehmann-Lintz, Klaus Rudolf, Philipp Lustenberger, Kristen Arndt, Ralf R. H. Lotz, Martin Lenter
  • Publication number: 20130165428
    Abstract: The present invention relates to substituted xanthines of general formula wherein R1 to R4 are defined as in claim 1, the tautomers and the stereoisomers thereof, mixtures thereof, the prodrugs and the salts thereof which have valuable pharmacological properties, particularly an inhibiting effect on the activity of the enzyme dipeptidylpeptidase-IV (DPP-IV).
    Type: Application
    Filed: February 21, 2013
    Publication date: June 27, 2013
    Applicant: Boehringer Ingelheim Pharma GmbH & Co. KG
    Inventors: Frank HIMMELSBACH, Michael MARK, Matthias ECKHARDT, Elke LANGKOPF, Roland MAIER, Ralf R.H. LOTZ
  • Publication number: 20120252782
    Abstract: The present invention relates to substituted xanthines of general formula wherein R1 to R4 are defined as in claim 1, the tautomers and the stereoisomers thereof, mixtures thereof, the prodrugs and the salts thereof which have valuable pharmacological properties, particularly an inhibiting effect on the activity of the enzyme dipeptidylpeptidase-IV (DPP-IV).
    Type: Application
    Filed: June 15, 2012
    Publication date: October 4, 2012
    Applicant: BOEHRINGER INGELHEIM PHARMA GMBH AND CO. KG
    Inventors: Frank HIMMELSBACH, Michael MARK, Matthias ECKHARDT, Elke LANGKOPF, Roland MAIER, Ralf R.H. LOTZ
  • Publication number: 20120208831
    Abstract: The present invention relates to substituted xanthines of general formula wherein R1 to R3 are as defined herein, the tautomers, the stereoisomers, the mixtures, the prodrugs thereof and the salts thereof which have valuable pharmacological properties, particularly an inhibiting effect on the activity of the enzyme dipeptidylpeptidase-IV (DPP-IV).
    Type: Application
    Filed: April 17, 2012
    Publication date: August 16, 2012
    Applicant: BOEHRINGER INGELHEIM PHARMA GMBH & CO. KG
    Inventors: Frank HIMMELSBACH, Elke LANGKOPF, Matthias ECKHARDT, Michael MARK, Roland MAIER, Ralf R. H. LOTZ, Mohammad TADAYYON
  • Publication number: 20120035158
    Abstract: The present invention relates to substituted xanthines of general formula wherein R1 to R4 are defined as in claim 1, the tautomers and the stereoisomers thereof, mixtures thereof, the prodrugs and the salts thereof which have valuable pharmacological properties, particularly an inhibiting effect on the activity of the enzyme dipeptidylpeptidase-IV (DPP-IV).
    Type: Application
    Filed: October 25, 2011
    Publication date: February 9, 2012
    Applicant: BOEHRINGER INGELHEIM PHARMA GMBH AND CO. KG
    Inventors: Frank HIMMELSBACH, Michael MARK, Matthias ECKHARDT, Elke LANGKOPF, Roland MAIER, Ralf R.H. LOTZ
  • Publication number: 20110144083
    Abstract: The present invention relates to substituted xanthines of general formula wherein R1 to R4 are defined as in claim 1, the tautomers and the stereoisomers thereof, mixtures thereof, the prodrugs and the salts thereof which have valuable pharmacological properties, particularly an inhibiting effect on the activity of the enzyme dipeptidylpeptidase-IV (DPP-IV).
    Type: Application
    Filed: February 23, 2011
    Publication date: June 16, 2011
    Applicant: BOEHRINGER INGELHEIM INTERNATIONAL GMBH
    Inventors: Frank HIMMELSBACH, Michael MARK, Matthias ECKHARDT, Elke LANGKOPF, Roland MAIER, Ralf R. H. LOTZ
  • Publication number: 20100173916
    Abstract: The present invention relates to substituted xanthines of general formula wherein R1 to R4 are defined as in claim 1, the tautomers and the stereoisomers thereof, mixtures thereof, the prodrugs and the salts thereof which have valuable pharmacological properties, particularly an inhibiting effect on the activity of the enzyme dipeptidylpeptidase-IV (DPP-IV).
    Type: Application
    Filed: March 16, 2010
    Publication date: July 8, 2010
    Applicant: BOEHRINGER INGELHEIM INTERNATIONAL GMBH
    Inventors: Frank HIMMELSBACH, Michael MARK, Matthias ECKHARDT, Elke LANGKOPF, Roland MAIER, Ralf R.H. LOTZ
  • Publication number: 20100144703
    Abstract: Disclosed are substituted xanthines of general formula wherein R1 to R4 are defined hereinbelow, the tautomers, the stereoisomers, the mixtures thereof, the prodrugs thereof and the salts thereof, which have valuable pharmacological properties, particularly an inhibitory effect on the activity of the enzyme dipeptidylpeptidase-IV (DPP-IV).
    Type: Application
    Filed: February 17, 2010
    Publication date: June 10, 2010
    Applicant: Boehringer Ingelheim Pharma GmbH & Co. KG
    Inventors: Frank HIMMELSBACH, Elke LANGKOPF, Matthias ECKHARDT, Roland MAIER, Michael MARK, Mohammad TADAYYON, Ralf R. H. LOTZ
  • Patent number: 7605176
    Abstract: Compounds of formula I wherein the groups and residues A, B, b, X, Y, Z, R1, R2, R3, R5a and R5b have the meanings given in claim 1. The invention further relates to pharmaceutical compositions containing at least one amide according to the invention. As a result of their MCH-receptor antagonistic activity the pharmaceutical compositions according to the invention are suitable for the treatment of metabolic disorders and/or eating disorders, particularly obesity, bulimia, anorexia, hyperphagia, and diabetes.
    Type: Grant
    Filed: March 3, 2005
    Date of Patent: October 20, 2009
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Gerald Juergen Roth, Philipp Lustenberger, Dirk Stenkamp, Stephan Georg Mueller, Thorsten Lehmann-Lintz, Marcus Schindler, Leo Thomas, Ralf R. H. Lotz, Marco Santagostino
  • Patent number: 7592373
    Abstract: Compounds of formula (I) wherein A, B, b, W, X, Y, Z, R1, R2, and R3 have the meanings given in claim 1, pharmaceutical compositions these compounds, and methods of preventing or treating metabolic disorders and/or eating disorders, particularly obesity, bulimia, anorexia, hyperphagia, and diabetes using these compounds.
    Type: Grant
    Filed: December 23, 2004
    Date of Patent: September 22, 2009
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Thorsten Lehmann-Lintz, Ralf R. H. Lotz, Philipp Lustenberger, Stephan Georg Mueller, Gerald Juergen Roth, Klaus Rudolf, Marcus Schindler, Dirk Stenkamp, Leo Thomas
  • Patent number: 7569574
    Abstract: The invention relates to new purine derivatives of general formula wherein R1 to R4 are defined as in the claims, the tautomers, the stereoisomers, the mixtures, the prodrugs thereof 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 the activity of the enzyme dipeptidylpeptidase-IV (DPP-IV), the preparation thereof, the use thereof for the prevention or treatment of diseases or conditions associated with an increased DPP-IV activity or capable of being prevented or alleviated by reducing the DPP-IV activity, particularly type I or type II diabetes mellitus, the pharmaceutical compositions containing a compound of general formula (I) or a physiologically acceptable salt thereof as well as processes for the preparation thereof.
    Type: Grant
    Filed: August 4, 2003
    Date of Patent: August 4, 2009
    Assignee: Boehringer Ingelheim Pharma GmbH & Co. KG
    Inventors: Roland Maier, Frank Himmelsbach, Matthias Eckhardt, Elke Langkopf, Michael Mark, Ralf R. H. Lotz
  • Publication number: 20090131432
    Abstract: Compounds of formula (I) wherein R1 to R4 are defined as in the claims, or the prodrugs or salts thereof, particularly the physiologically acceptable salts thereof, pharmaceutical compositions containing these compounds, and methods of treating type I and type II diabetes mellitus, arthritis, obesity, allograft transplantation, or calcitonin-induced osteoporosis using these compounds.
    Type: Application
    Filed: January 16, 2009
    Publication date: May 21, 2009
    Applicant: BOEHRINGER INGELHEIM PHARMA GMBH & CO. KG
    Inventors: Frank HIMMELSBACH, Elke LANGKOPF, Matthias ECKHARDT, Michael MARK, Roland MAIER, Ralf R. H. LOTZ
  • Publication number: 20090093457
    Abstract: Disclosed are substituted xanthines of general formula wherein R1 to R4 are defined hereinbelow, the tautomers, the stereoisomers, the mixtures thereof, the prodrugs thereof and the salts thereof, which have valuable pharmacological properties, particularly an inhibitory effect on the activity of the enzyme dipeptidylpeptidase-IV (DPP-IV).
    Type: Application
    Filed: December 10, 2008
    Publication date: April 9, 2009
    Applicant: BOEHRINGER INGELHEIM PHARMA GMBH & CO. KG
    Inventors: Frank HIMMELSBACH, Elke LANGKOPF, Matthias ECKHARDT, Roland MAIER, Michael MARK, Mohammad TADAYYON, Ralf R. H. LOTZ
  • Publication number: 20090069282
    Abstract: The present invention relates to alkyne compounds of general formula I wherein the groups and residues A, B, W, X, Y, Z, R1 and R2 have the meanings given in claim 1. The invention further relates to pharmaceutical compositions containing at least one alkyne according to the invention. In view of their MCH-receptor antagonistic activity the pharmaceutical compositions according to the invention are suitable for the treatment of metabolic disorders and/or eating disorders, particularly obesity, bulimia, anorexia, hyperphagia and diabetes.
    Type: Application
    Filed: May 15, 2008
    Publication date: March 12, 2009
    Applicant: Boehringer Ingelheim Pharma GmbH & Co. KG
    Inventors: Dirk Stenkamp, Stephan Georg Mueller, Gerald Juergen Roth, Thorsten Lehmann-Lintz, Klaus Rudolf, Philipp Lustenberger, Kirsten Arndt, Ralf R. H. Lotz, Martin Lenter
  • Patent number: 7495005
    Abstract: Compounds of formula (I) wherein R1 is a phenylcarbonylmethyl group wherein the phenyl moiety is substituted, and R2 to R4 are defined as in the claims, or the prodrugs or salts thereof, particularly the physiologically acceptable salts thereof, pharmaceutical compositions containing these compounds, and methods of treating type I and type II diabetes mellitus, arthritis, obesity, allograft transplantation and calcitonin-induced osteoporosis using these compounds.
    Type: Grant
    Filed: August 7, 2003
    Date of Patent: February 24, 2009
    Assignee: Boehringer Ingelheim Pharma GmbH & Co. KG
    Inventors: Frank Himmelsbach, Elke Langkopf, Matthias Eckhardt, Michael Mark, Roland Maier, Ralf R. H. Lotz
  • Patent number: 7495002
    Abstract: The present invention relates to new substituted xanthines of general formula wherein R1, R2 and X are defined as in the claims, the tautomers, the enantiomers, the diastereomers, the mixtures thereof and the salts thereof, which have valuable pharmacological properties, particularly an inhibiting effect on the activity of the enzyme dipeptidylpeptidase-IV (DPP-IV).
    Type: Grant
    Filed: September 1, 2005
    Date of Patent: February 24, 2009
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Elke Langkopf, Matthias Eckhardt, Frank Himmelsbach, Mohammad Tadayyon, Leo Thomas, Ralf R. H. Lotz
  • Patent number: 7482337
    Abstract: Disclosed are substituted xanthines of general formula wherein R1 to R4 are defined hereinbelow, the tautomers, the stereoisomers, the mixtures thereof, the prodrugs thereof and the salts thereof, which have valuable pharmacological properties, particularly an inhibitory effect on the activity of the enzyme dipeptidylpeptidase-IV (DPP-IV).
    Type: Grant
    Filed: October 28, 2003
    Date of Patent: January 27, 2009
    Assignee: Boehringer Ingelheim Pharma GmbH & Co. KG
    Inventors: Frank Himmelsbach, Elke Langkopf, Matthias Eckhardt, Roland Maier, Michael Mark, Mohammad Tadayyon, Ralf R. H. Lotz
  • Patent number: 7452911
    Abstract: The present invention relates to alkyne compounds of general formula I wherein the groups and residues A, B, W, X, Y, Z, R1 and R2 have the meanings given in claim 1. The invention further relates to pharmaceutical compositions containing at least one alkyne according to the invention. In view of their MCH-receptor antagonistic activity the pharmaceutical compositions according to the invention are suitable for the treatment of metabolic disorders and/or eating disorders, particularly obesity, bulimia, anorexia, hyperphagia and diabetes.
    Type: Grant
    Filed: October 30, 2003
    Date of Patent: November 18, 2008
    Assignee: Boehringer Ingelheim Pharma GmbH & Co. KG
    Inventors: Dirk Stenkamp, Stephan Georg Mueller, Gerald Juergen Roth, Thorsten Lehmann-Lintz, Klaus Rudolf, Philip Lustenberger, Kirsten Arndt, Ralf R. H. Lotz, Martin Lenter
  • Publication number: 20080255159
    Abstract: The present invention relates to substituted xanthines of general formula wherein R1 to R3 are defined as in claims 1 to 16, the tautomers, the stereoisomers, the mixtures, the prodrugs thereof and the salts thereof which have valuable pharmacological properties, particularly an inhibiting effect on the activity of the enzyme dipeptidylpeptidase-IV (DPP-IV).
    Type: Application
    Filed: June 20, 2008
    Publication date: October 16, 2008
    Applicant: Boehringer Ingelheim Pharma KG
    Inventors: Frank Himmelsbach, Elke Langkopf, Matthias Eckhardt, Michael Mark, Roland Maier, Ralf R.H. Lotz, Mohammad Tadayyon