Patents by Inventor Mohammad Tadayyon

Mohammad Tadayyon 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: 7550455
    Abstract: The present invention relates to substituted xanthines of the general formula in which R1 to R3 and n are as defined in claims 1 to 8, their tautomers, their enantiomers, their diastereomers, their mixtures, their prodrugs and their salts, which have valuable pharmacological properties, in particular an inhibitory action on the activity of the enzyme dipeptidylpeptidase-IV (DPP-IV).
    Type: Grant
    Filed: November 2, 2004
    Date of Patent: June 23, 2009
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Frank Himmelsbach, Elke Langkopf, Matthias Eckhardt, Mohammad Tadayyon, Leo Thomas
  • Publication number: 20090137801
    Abstract: Disclosed are substituted xanthines of the formula wherein R is defined as in claim 1, the tautomers, the stereoisomers, 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: Application
    Filed: January 27, 2009
    Publication date: May 28, 2009
    Applicant: BOEHRINGER INGELHEIM INTERNATIONAL GMBH
    Inventors: Frank HIMMELSBACH, Elke LANGKOPF, Matthias ECKHARDT, Mohammad TADAYYON, Leo THOMAS
  • 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: 20090088569
    Abstract: The present invention relates to 2-amino-imidazo[4,5-d]pyridazin-4-ones and 2-amino-imidazo[4,5-c]pyridin-4-ones of general formula wherein R1 to R4 and X are defined as in claims 1 to 6, 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: Application
    Filed: December 5, 2008
    Publication date: April 2, 2009
    Inventors: Matthias ECKHARDT, Frank HIMMELSBACH, Elke LANGKOPF, Norbert HAUEL, Mohammad TADAYYON, Leo THOMAS
  • Patent number: 7501426
    Abstract: Disclosed are substituted xanthines of the formula wherein R is defined as in claim 1, the tautomers, the stereoisomers, 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: February 17, 2005
    Date of Patent: March 10, 2009
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Frank Himmelsbach, Elke Langkopf, Matthias Eckhardt, Mohammad Tadayyon, Leo Thomas
  • 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: 7495003
    Abstract: The application relates to new substituted xanthines of general formula wherein R1 and R2 are defined as in claims 1 to 11, 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: Matthias Eckhardt, Frank Himmelsbach, Elke Langkopf, Mohammad Tadayyon, Leo Thomas
  • 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: 7476671
    Abstract: The present invention relates to 2-amino-imidazo[4,5-d]pyridazin-4-ones and 2-amino-imidazo[4,5-c]pyridin-4-ones of general formula wherein R1 to R4 and X are defined as in claims 1 to 6, 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: December 12, 2006
    Date of Patent: January 13, 2009
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Matthias Eckhardt, Frank Himmelsbach, Elke Langkopf, Norbert Hauel, Mohammad Tadayyon, Leo Thomas
  • Patent number: 7470716
    Abstract: The present invention relates to imidazoles and triazoles of general formula wherein R1 to R4 and X are defined as in claims 1 to 8, 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: June 24, 2005
    Date of Patent: December 30, 2008
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Matthias Eckhardt, Frank Himmelsbach, Elke Langkopf, Leo Thomas, Mohammad Tadayyon
  • Publication number: 20080312243
    Abstract: The present invention relates to imidazoles and triazoles of general formula wherein R1 to R4 and X are defined as in claims 1 to 8, 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: Application
    Filed: August 15, 2008
    Publication date: December 18, 2008
    Inventors: Matthias ECKHARDT, Frank HIMMELSBACH, Elke LANGKOPF, Leo THOMAS, Mohammad TADAYYON
  • 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
  • Publication number: 20080249089
    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 9, 2008
    Applicant: Boehringer Ingelheim Pharma KG
    Inventors: Frank Himmelsbach, Elke Langkopf, Matthias Eckhardt, Michael Mark, Roland Maier, Ralf R.H. Lotz, Mohammad Tadayyon
  • Patent number: 7432262
    Abstract: The invention relates to substituted imidazopyridazinediones of general formula wherein R1 to R4 are defined as in claim 1, 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: February 16, 2007
    Date of Patent: October 7, 2008
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Matthias Eckhardt, Frank Himmelsbach, Iris Kauffmann-Hefner, Elke Langkopf, Mohammad Tadayyon, Leo Thomas
  • Patent number: 7407955
    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: Grant
    Filed: August 12, 2003
    Date of Patent: August 5, 2008
    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: 7393847
    Abstract: The invention relates to substituted imidazopyridazinediones of general formula wherein R1 and R4 are defined as in claim 1, 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: March 9, 2005
    Date of Patent: July 1, 2008
    Assignee: Boehringer Ingleheim International GmbH
    Inventors: Matthias Eckhardt, Frank Himmelsbach, Iris Kauffmann-Hefner, Elke Langkopf, Mohammad Tadayyon, Leo Thomas
  • Patent number: 7241579
    Abstract: Methods of screening for ligands of the GPR40 receptor are provided, including methods utilizing fatty acid GPR40 ligands.
    Type: Grant
    Filed: December 18, 2001
    Date of Patent: July 10, 2007
    Assignees: SmithKline Beecham Corporation, SmithKline Beecham P.L.C.
    Inventors: John Leon Andrews, Celia Patricia Briscoe, Diane Michele Ignar, Allison Isobel Muir, Howard Ray Sauls, Jr., Mohammad Tadayyon
  • Publication number: 20070142383
    Abstract: The invention relates to substituted imidazopyridazinediones of general formula wherein R1 to R4 are defined as in claim 1, 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: Application
    Filed: February 16, 2007
    Publication date: June 21, 2007
    Inventors: Matthias Eckhardt, Frank Himmelsbach, Iris Kauffmann-Hefner, Elke Langkopf, Mohammad Tadayyon, Leo Thomas
  • Patent number: 7220777
    Abstract: The invention provides compounds of formula (I) a salt, or solvate thereof.
    Type: Grant
    Filed: October 15, 2002
    Date of Patent: May 22, 2007
    Assignee: SmithKline Beecham P.L.C.
    Inventors: Sula Anne Armstrong, Dieter Wolfgang Hamprecht, Martin Jones, David Richard Witty, Kamal A Al-Barazanji, Mohammad Tadayyon
  • Patent number: 7217711
    Abstract: The present invention relates to substituted imidazo[4,5-d]pyridazin-4-ones of general formula wherein R1 to R3 and n are defined as in claims 1 to 8, the tautomers, enantiomers, diastereomers, 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: December 17, 2004
    Date of Patent: May 15, 2007
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Matthias Eckhardt, Norbert Hauel, Frank Himmelsbach, Iris Kauffmann-Hefner, Elke Langkopf, Mohammad Tadayyon, Leo Thomas