Patents by Inventor Helmut Buschmann

Helmut Buschmann 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).

  • Publication number: 20020165247
    Abstract: A method for agonizing or antagonizing the ORL1 (opioid receptor-like) receptor of the nociceptin/orphanin FQ ligand ORL1 receptor system using a morphinan compound of the general formula I or derivatives thereof. Also disclosed are methods for treating neuropathic pain and/or anxiolysis and/or depression and/or diuresis and/or urinary incontinence and/or hypotension and or hypertension and/or senile dementia and/or Alzheimer's disease and/or general cognitive dysfunctions and/or tinnitus and/or impaired hearing and/or epilepsy and/or obesity and/or cachexia.
    Type: Application
    Filed: February 15, 2002
    Publication date: November 7, 2002
    Inventors: Stephan Wnendt, Wolfgang Strassburger, Helmut Buschmann, Elke Reiss-Mueller, Thomas Krueger
  • Patent number: 6476044
    Abstract: A method for agonizing or antagonizing the ORL1 (opioid receptor-like) receptor of the nociceptin/orphanin FQ ligand ORL1 receptor system using a morphinan compound of the general formula I or derivatives thereof. Also disclosed are methods for treating neuropathic pain and/or anxiolysis and/or depression and/or diuresis and/or urinary incontinence and/or hypotension and or hypertension and/or senile dementia and/or Alzheimer's disease and/or general cognitive disfunctions an/or tinnitus and/or impaired hearing and/or epilepsy and/or obesity and/or cachexia.
    Type: Grant
    Filed: February 15, 2002
    Date of Patent: November 5, 2002
    Assignee: Gruenenthal GmbH
    Inventors: Stephan Wnendt, Wolfgang Strassburger, Helmut Buschmann, Elke Reiss-Mueller, Thomas Krueger
  • Publication number: 20020161262
    Abstract: Substituted 3-amino-2-benzyl-1-phenlypropane derivatives, methods for preparing them, pharmaceutical compositions containing them, and methods of using them to treat various medical conditions.
    Type: Application
    Filed: January 16, 2002
    Publication date: October 31, 2002
    Inventors: Michael Sattlegger, Helmut Buschmann, Babette-Yvonne Koegel
  • Patent number: 6410790
    Abstract: 3-amino-3-arylpropan-1-ol compounds of formula I: R1 and R2 independently denoting C1-6 alkyl, or together denoting a (CH2)2-6 ring optionally substituted by phenyl, R3 denoting C3-6 alkyl, C3-6 cycloalkyl, aryl optionally containing heteroatoms and optionally substituted by R6 to R8, or a substituted C1-3 alkylphenyl of formula XII:  R4 and R5 independently denoting C1-6 alkyl, C3-6 cycloalkyl, phenyl, benzyl, or phenethyl, or together forming a (CH2)3-6 or CH2CH2OCH2CH2 ring, R6 to R8 independently denoting H, F, Cl, Br, CHF2, CF3, OH, OCF3, OR14, NR15R16, SR14, phenyl, SO2CH3, SO2CF3, C1-6 alkyl, CN, COOR14, or CONR15R16, or together forming a OCH2O, OCH2CH2O, CH═CHO, CH═C(CH3)O or (CH2)4 ring, R14 denoting C1-6 alkyl, phenyl, benzyl, or phenethyl, R15 and R16 independently denoting H, C1-6 alkyl, phenyl, benzyl or phenethyl, and A denoting optionally substituted aryl optionally containing heteroatoms, or a diastereomer or enantiomer or pharmaceutica
    Type: Grant
    Filed: April 7, 2000
    Date of Patent: June 25, 2002
    Assignee: Gruenenthal GmbH
    Inventors: Bernd Sundermann, Hagen-Heinrich Hennies, Babette-Yvonne Koegel, Helmut Buschmann
  • Patent number: 6344558
    Abstract: 1-phenyl-3-dimethylaminopropane compounds corresponding to the formula I a method of preparing them, and the use of these substances as analgesic active ingredients in pharmaceutical compositions.
    Type: Grant
    Filed: April 20, 2001
    Date of Patent: February 5, 2002
    Assignee: Gruenthal GmbH
    Inventors: Helmut Buschmann, Wolfgang Strassburger, Elmar Friderichs
  • Publication number: 20020010178
    Abstract: 1-phenyl-3-dimethylaminopropane compounds corresponding to the formula I 1
    Type: Application
    Filed: April 20, 2001
    Publication date: January 24, 2002
    Applicant: Gruenenthal GmbH
    Inventors: Helmut Buschmann, Wolfgang Strassburger, Elmar Friderichs
  • Patent number: 6288278
    Abstract: 3-amino-3-arylpropan-1-ol compounds corresponding to the formula I in which R1 to R5, A and X have the meanings according to claim 1, and their preparation and use as medicaments.
    Type: Grant
    Filed: April 7, 2000
    Date of Patent: September 11, 2001
    Assignee: Gruenenthal GmbH
    Inventors: Bernd Sundermann, Hagen-Heinrich Hennies, Babette-Yvonne Koegel, Helmut Buschmann
  • Patent number: 6248737
    Abstract: 1-phenyl-3 -dimethylaminopropane compounds corresponding to the formula I a method of preparing them, and the use of these substances as analgesic active ingredients in pharmaceutical compositions.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: June 19, 2001
    Assignee: Gruenenthal GmbH
    Inventors: Helmut Buschmann, Wolfgang Strassburger, Elmar Friderichs
  • Patent number: 5728885
    Abstract: A method of preparing the enantiomers of O-demethyltramadol and the use of the enantiomers as pain-killing drugs are described.
    Type: Grant
    Filed: January 17, 1997
    Date of Patent: March 17, 1998
    Assignee: Gruenenthal GmbH
    Inventors: Helmut Buschmann, Werner Winter, Ivars Graudums, Peter Jansen, deceased, Wolfgang Werner Alfred Strassburger, Elmar Josef Friederichs
  • Patent number: 5723668
    Abstract: A method of separating the racemate of tramadol is disclosed.
    Type: Grant
    Filed: December 31, 1996
    Date of Patent: March 3, 1998
    Assignee: Gruenenthal GmbH
    Inventors: Helmut Buschmann, Werner Winter, Ivars Graudums, Peter Jansen, deceased