Patents Examined by H Kahsay
  • Patent number: 6617332
    Abstract: The invention relates to novel natural product derivatives of the formula (I), to processes for their preparation, to pharmaceutical compositions comprising them and to their use in the treatment of disorders in humans or animals: in which R1, D, X, Y and Z are defined as in claim 1.
    Type: Grant
    Filed: April 11, 2001
    Date of Patent: September 9, 2003
    Assignee: Bayer Aktiengesellschaft
    Inventors: Michael Brands, Mazen Es-Sayed, Dieter Häbich, Siegfried Raddatz, Joachim Krüger, Rainer Endermann, Reinhold Gahlmann, Hein-Peter Kroll, Frank-Ulrich Geschke, Armin de Meijere, Vladimir N. Belov, Victor Sokolov, Sergej Kozhushkov, Markus Kordes
  • Patent number: 6476038
    Abstract: Disclosed are compounds of the formula: where R1, R2, R3, R4, R5, R6, and X are defined herein. These compounds are selective modulators of NPY1 receptors. These compounds are useful in the treatment of a number of CNS disorders, metabolic disorders, and peripheral disorders, particularly eating disorders and hypertension. Methods of treatment of such disorders and well as packaged pharmaceutical compositions are also provided. Compounds of the invention are also useful as probes for the localization of NPY1 receptors and as standards in assays for NPY1 receptor binding. Methods of using the compounds in receptor localization studies are given.
    Type: Grant
    Filed: September 29, 2000
    Date of Patent: November 5, 2002
    Assignees: Neurogen Corporation, Pfizer Inc.
    Inventors: James W. Darrow, Stéphane De Lombaert, Charles Blum, Jennifer Tran, Mark Giangiordano, David Andrew Griffith, Philip Albert Carpino
  • Patent number: 6369110
    Abstract: A compound represented by the general formula (1): wherein each of R1, R2, R3, R4 and R5 is a hydrogen atom, an alkyl group, a substituted alkyl group, an alkenyl group, an alkynyl group, a cycloalkyl group, a cycloalkenyl group, a saturated heterocyclic group, an aromatic group, an acyl group or the like; each of Y1, Y2, Y3 and Y4 is a single bond, —CH2—, —O—, —CO— or the like, provided that at least two of Y1 through Y4 are independently a group other than a single bond; and Z may be absent, or one or more Zs may be present and are independently an alkyl group, a substituted alkyl group, an alkenyl group, an alkynyl group, a cycloalkyl group, a cycloalkenyl group, a saturated heterocyclic group, a halogen atom, a carboxyl group, an alkoxycarbonyl group, an aromatic group, an acyl group or the like, is useful as a therapeutic or prophylactic agent for diseases caused by the acceleration of the sodium/proton exchange transport system.
    Type: Grant
    Filed: November 27, 2000
    Date of Patent: April 9, 2002
    Assignee: Sumitomo Pharmaceuticals Company
    Inventors: Masahumi Kitano, Naohito Ohashi
  • Patent number: 6342512
    Abstract: Sulfonylcarboxamide derivatives of formula I, their physiologically acceptable salts and/or physiologically functional derivatives, methods of making these compounds, their use for preparing medicines for the prevention and treatment of hyperlipidemia and arteriosclerotic disorders. The compounds of formula I have the following structure: in which the radicals are as defined and their physiologically acceptable salts and physiologically functional derivatives are described.
    Type: Grant
    Filed: September 1, 2000
    Date of Patent: January 29, 2002
    Assignee: Aventis Pharma Deutschland GmbH
    Inventors: Reinhard Kirsch, Hans-Ludwig Schaefer, Eugen Falk, Horst Hemmerle