Patents by Inventor Björn Schlummer

Björn Schlummer 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 Pd-Catalysed C-N Coupling In Specific Solvent Systems
    Publication number: 20080207907
    Abstract: The invention relates to a novel process for the Pd catalysed formation of C—N bonds between an aryl halide or an aryloxysulphonyl compound and an amine in specific solvent systems, and also to the use of these solvent systems for C—N couplings.
    Type: Application
    Filed: November 23, 2005
    Publication date: August 28, 2008
    Applicant: UCB PHARMA, S.A.
    Inventors: Björn Schlummer, Ulrich Scholz, Ian Smith
  • Enantiomerically enriched 2-butanol
    Patent number: 7396964
    Abstract: The present invention relates to a process for preparing enantiomerically enriched 2-butanol and to its use.
    Type: Grant
    Filed: September 2, 2004
    Date of Patent: July 8, 2008
    Assignee: LANXESS Deutschland GmbH
    Inventors: Björn Schlummer, Martin Stürmann
  • Process for preparing optionally substituted arylsulphonic anhydrides
    Patent number: 7329779
    Abstract: The present invention relates to a process for preparing optionally substituted arylsulphonic anhydrides of the general formula (I)
    Type: Grant
    Filed: March 29, 2006
    Date of Patent: February 12, 2008
    Assignee: LANXESS Deutschland GmbH
    Inventors: Björn Schlummer, Florian Rampf, Paul Naab, Guido Giffels, Matthias Gotta
  • Process for the racemate resolution of 3-aminopentanenitrile
    Patent number: 7193102
    Abstract: By means of a new process for the resolution of racemic 3-aminopentanenitrile, enantiomerically enriched 3-aminopentanenitrile or its salts can be obtained. For this, racemic 3-aminopentanenitrile is reacted with an enantiomerically enriched organic acid and one of the two diastereomeric salts formed is separated off and then converted into the enantiomerically enriched 3-aminopentanenitrile or its salts.
    Type: Grant
    Filed: October 21, 2003
    Date of Patent: March 20, 2007
    Assignee: Bayer Aktiengesellschaft
    Inventors: Claus Dreisbach, Björn Schlummer