Patents by Inventor Boris Bosch

Boris Bosch 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 reducing 3-heteroaryl-3-oxopropionic acid derivatives
    Patent number: 8293899
    Abstract: The present invention relates to a process for preparing stereoisomerically enriched 3-heteroaryl-3-hydroxycarboxylic esters by reducing 3-heteroaryl-3-oxocarboxylic esters in the presence of ruthenium-containing catalysts.
    Type: Grant
    Filed: February 27, 2003
    Date of Patent: October 23, 2012
    Assignee: Lanxess Deutschland GmbH
    Inventors: Boris Bosch, Markus Eckert, Hans-Christian Militzer, Claus Dreisbach
  • Process for stereoselectively reducing 4-aryl-4-oxobutanoic acid derivatives
    Patent number: 8034961
    Abstract: The present invention relates to a process for preparing stereoisomerically enriched 4-aryl-4-hydroxybutanoic acid derivatives by reducing 4-aryl-4-ketobutanoic acid derivatives in the presence of ruthenium-containing catalysts.
    Type: Grant
    Filed: December 17, 2007
    Date of Patent: October 11, 2011
    Assignee: LANXESS Deutschland GmbH
    Inventors: Hans-Christian Militzer, Boris Bosch, Markus Eckert, Benjamin Meseguer
  • Process for preparing arylaminopropanols
    Patent number: 7893281
    Abstract: The invention relates to a process for preparing enantiomerically enriched aryl-aminopropanols and to their use and also to intermediates.
    Type: Grant
    Filed: July 28, 2009
    Date of Patent: February 22, 2011
    Assignee: Lanxess Deutschland GmbH
    Inventors: Markus Eckert, Claus Dreisbach, Boris Bosch, Andreas Stolle
  • PROCESS FOR PREPARING ARYLAMINOPROPANOLS
    Publication number: 20090286997
    Abstract: The invention relates to a process for preparing enantiomerically enriched aryl-aminopropanols and to their use and also to intermediates.
    Type: Application
    Filed: July 28, 2009
    Publication date: November 19, 2009
    Applicant: LANXESS DEUTSCHLAND GMBH
    Inventors: Markus Eckert, Claus Dreisbach, Boris Bosch, Andreas Stolle
  • Process for preparing arylaminopropanols
    Patent number: 7582776
    Abstract: The invention relates to a process for preparing enantiomerically enriched aryl-aminopropanols and to their use and also to intermediates.
    Type: Grant
    Filed: May 18, 2006
    Date of Patent: September 1, 2009
    Assignee: Lanxess Deutschland GmbH
    Inventors: Markus Eckert, Claus Dreisbach, Boris Bosch, Andreas Stolle
  • Process for preparing arylaminopropanols
    Publication number: 20080262247
    Abstract: The invention relates to a process for preparing enantiomerically enriched arylaminopropanols and to their use and also to intermediates.
    Type: Application
    Filed: May 18, 2006
    Publication date: October 23, 2008
    Inventors: Markus Eckert, Claus Dreisbach, Boris Bosch, Andreas Stolle
  • Process for stereoselectively reducing 4-ARYL-4-oxobutanoic acid derivatives
    Publication number: 20080103316
    Abstract: The present invention relates to a process for preparing stereoisomerically enriched 4-aryl-4-hydroxybutanoic acid derivatives by reducing 4-aryl-4-ketobutanoic acid derivatives in the presence of ruthenium-containing catalysts.
    Type: Application
    Filed: December 17, 2007
    Publication date: May 1, 2008
    Inventors: Hans-Christian Militzer, Boris Bosch, Markus Eckert, Benjamin Meseguer
  • Process for stereoselectively reducing 4-aryl-4-oxobutanoic acid derivatives
    Patent number: 7329766
    Abstract: The present invention relates to a process for preparing stereoisomerically enriched 4-aryl-4-hydroxybutanoic acid derivatives by reducing 4-aryl-4-ketobutanoic acid derivatives in the presence of ruthenium-containing catalysts.
    Type: Grant
    Filed: June 15, 2005
    Date of Patent: February 12, 2008
    Assignee: Lanxess Deutschland GmbH
    Inventors: Hans-Christian Militzer, Boris Bosch, Markus Eckert, Benjamin Meseguer
  • Preparation of Mono-N-sulphonylated diamines
    Publication number: 20070259776
    Abstract: The present invention relates to a process for preparing mono-N-sulphonylated diamines by reacting diamines with sulphonyl halides in the presence of water, base and organic solvents.
    Type: Application
    Filed: June 19, 2007
    Publication date: November 8, 2007
    Inventors: Boris Bosch, Frank Gerhartz
  • Process for preparing arylaminopropanols
    Patent number: 7169938
    Abstract: The invention relates to a process for preparing enantiomerically enriched aryl-aminopropanols and to their use and also to intermediates.
    Type: Grant
    Filed: March 18, 2003
    Date of Patent: January 30, 2007
    Inventors: Markus Eckert, Claus Dreisbach, Boris Bosch, Andreas Stolle
  • Process for stereoselectively reducing 4-aryl-4-oxobutanoic acid derivatives
    Publication number: 20050245760
    Abstract: The present invention relates to a process for preparing stereoisomerically enriched 4-aryl-4-hydroxybutanoic acid derivatives by reducing 4-aryl-4-ketobutanoic acid derivatives in the presence of ruthenium-containing catalysts.
    Type: Application
    Filed: June 15, 2005
    Publication date: November 3, 2005
    Inventors: Hans-Christian Militzer, Boris Bosch, Markus Eckert, Benjamin Meseguer
  • Process for stereoselectively reducing 4-aryl-4-oxobutanoic acid derivatives
    Patent number: 6921822
    Abstract: The present invention relates to a process for preparing stereoisomerically enriched 4-aryl-4-hydroxybutanoic acid derivatives by reducing 4-aryl-4-ketobutanoic acid derivatives in the presence of ruthenium-containing catalysts.
    Type: Grant
    Filed: June 9, 2003
    Date of Patent: July 26, 2005
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Christian Militzer, Boris Bosch, Markus Eckert, Benjamin Meseguer
  • Anti-kazlauskas lipases
    Publication number: 20050153404
    Abstract: The present invention relates to polypeptides which exert the biological activity of lipases and which have an anti-Kazlauskas-rule selectivity, to host cells containing nucleic acids coding for these polypeptides, to the nucleic acids themselves, and to the vectors required for preparing the host cells of the invention. In a further aspect, the invention relates to a method for preparing enantiomer-enriched esters and alcohols, which is advantageously carried out in the presence of a racemization catalyst.
    Type: Application
    Filed: October 15, 2003
    Publication date: July 14, 2005
    Inventors: Boris Bosch, Ruth Meissner, Frank Berendes, Rainhard Koch
  • Preparation of mono-N-sulphonylated diamines
    Publication number: 20050059842
    Abstract: The present invention relates to a process for preparing mono-N-sulphonylated diamines by reacting diamines with sulphonyl halides in the presence of water, base and organic solvents.
    Type: Application
    Filed: June 17, 2003
    Publication date: March 17, 2005
    Inventors: Boris Bosch, Frank Gerhartz
  • Process for stereoselectively reducing 4-aryl-4-oxobutanoic acid derivatives
    Publication number: 20040030181
    Abstract: The present invention relates to a process for preparing stereoisomerically enriched 4-aryl-4-hydroxybutanoic acid derivatives by reducing 4-aryl-4-ketobutanoic acid derivatives in the presence of ruthenium-containing catalysts.
    Type: Application
    Filed: June 9, 2003
    Publication date: February 12, 2004
    Inventors: Hans-Christian Militzer, Boris Bosch, Markus Eckert, Benjamin Meseguer
  • Process for reducing 3-heteroaryl-3-oxopropionic acid derivatives
    Publication number: 20030225274
    Abstract: The present invention relates to a process for preparing stereoisomerically enriched 3-heteroaryl-3-hydroxycarboxylic esters by reducing 3-heteroaryl-3-oxocarboxylic esters in the presence of ruthenium-containing catalysts.
    Type: Application
    Filed: February 27, 2003
    Publication date: December 4, 2003
    Inventors: Boris Bosch, Markus Eckert, Hans-Christian Militzer, Claus Dreisbach
  • Process for preparing arylaminopropanols
    Publication number: 20030225153
    Abstract: The invention relates to a process for preparing enantiomerically enriched aryl-aminopropanols and to their use and also to intermediates.
    Type: Application
    Filed: March 18, 2003
    Publication date: December 4, 2003
    Inventors: Markus Eckert, Claus Dreisbach, Boris Bosch, Andreas Stolle