Patents by Inventor Bernhard Akteries

Bernhard Akteries 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).

  • Process for the preparation of substituted 3-aryl-butylamine compounds
    Patent number: 7417170
    Abstract: Methods for the dehydration of substituted 1-amino-3-aryl-butan-3-ol compounds for the preparation of substituted 3-aryl-butyl-amine compounds.
    Type: Grant
    Filed: December 6, 2005
    Date of Patent: August 26, 2008
    Assignee: Gruenenthal GmbH
    Inventors: Wolfgang Hell, Markus Kegel, Bernhard Akteries, Helmut Buschmann, Jorg Holenz, Harmut Loebermann, Detlef Heller, Hans-Joachim Drexler, Stefan Gladow
  • Process for preparing 2-[(dimethylamino)-methyl]-1-(3-methoxyphenyl)cyclohexanol
    Patent number: 7030276
    Abstract: A process for preparing 2-[(dimethylamino)methyl]-1-(3-methoxyphenyl)cyclohexanol with high stereoselectivity and high yield by reacting 2-[(dimethylamino)methyl]-cyclohexanone in a Grignard reaction with a Grignard compound of 3-bromoanisole in a suitable solvent and in the presence of an inorganic lithium salt and an ?,?-dialkoxyalkane.
    Type: Grant
    Filed: February 9, 2005
    Date of Patent: April 18, 2006
    Assignee: Gruenenthal GmbH
    Inventors: Michael Finkam, Bernhard Akteries
  • Process for preparing 2-[(dimethylamino)-methyl]-1-(3-methoxyphenyl)cyclohexanol
    Publication number: 20050215821
    Abstract: A process for preparing 2-[(dimethylamino)methyl]-1-(3-methoxyphenyl)cyclohexanol with high stereoselectivity and high yield by reacting 2-[(dimethylamino)methyl]-cyclohexanone in a Grignard reaction with a Grignard compound of 3-bromoanisole in a suitable solvent and in the presence of an inorganic lithium salt and an ?,?-dialkoxyalkane.
    Type: Application
    Filed: February 9, 2005
    Publication date: September 29, 2005
    Applicant: Gruenenthal GmbH
    Inventors: Michael Finkam, Bernhard Akteries
  • Process for separating the diastereomeric bases of 2-[(dimethylamino)methyl]-1-(3-methoxyphenyl)-cylohexanol
    Patent number: 6521792
    Abstract: A method for separating the diastereomer bases of 2-[(dimethylamino)methyl]-1-(3-methoxyphenyl)-cyclohexanol in which the separation of the diastereomer bases takes place through formation of a base hydrate.
    Type: Grant
    Filed: December 21, 2001
    Date of Patent: February 18, 2003
    Assignee: Gruenenthal GmbH
    Inventors: Bernhard Akteries, Michael Finkam
  • Process for separating the diastereomeric bases of 2-[(Dimethylamino)methyl] -1-(3-methoxyphenyl) cylohexanol
    Publication number: 20020091287
    Abstract: A method for separating the diastereomer bases of 2-[(dimethylamino)methyl]-1-(3-methoxyphenyl)-cyclohexanol in which the separation of the diastereomer bases takes place through formation of a base hydrate.
    Type: Application
    Filed: December 21, 2001
    Publication date: July 11, 2002
    Inventors: Bernhard Akteries, Michael Finkam