Patents by Inventor Hans-Christian Militzer

Hans-Christian Militzer 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 dihydroquinazolines
    Patent number: 8084604
    Abstract: The present invention relates to a process for the preparation of dihydroquinazolines, for example {8-fluoro-2-[4-(3-methoxyphenyl)piperazin-1-yl]-3-[2-methoxy-5-(trifluoromethyl)phenyl]-3,4-dihydroquinazolin-4-yl}acetic acid, which are used as antiviral agents in the production of medicaments.
    Type: Grant
    Filed: June 2, 2006
    Date of Patent: December 27, 2011
    Assignee: Aicuris GmbH & Co., KG
    Inventors: Käthe Gooβen, Oliver Kuhn, Mathias Berwe, Joachim Krüger, Hans-Christian Militzer
  • Lysobactin amides
    Patent number: 8076285
    Abstract: The invention relates to lysobactin amides and methods for their preparation, as well as their use for manufacturing medicaments for the treatment and/or prophylaxis of diseases, in particular bacterial infectious diseases.
    Type: Grant
    Filed: October 10, 2008
    Date of Patent: December 13, 2011
    Assignee: Aicuris GmbH & Co. KG
    Inventors: Franz Von Nussbaum, Hartmut Beck, Nina Brunner, Rainer Endermann, Johannes Koebberling, Jacques Ragot, Joachim Telser, Joachim Schuhmacher, Sonja Anlauf, Yolanda Cancho-Grande, Susanne Greschat, Hans-Christian Militzer, Guido Schiffer
  • 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 tertiary phosphines
    Patent number: 7847126
    Abstract: The invention relates to a process for synthesizing tertiary phosphines by reacting halophosphines with organomagnesium compounds in the presence of copper compounds and optionally of salts.
    Type: Grant
    Filed: June 5, 2007
    Date of Patent: December 7, 2010
    Assignee: LANXESS Deutschland GmbH
    Inventors: Florian Rampf, Hans-Christian Militzer
  • Process for the Preparation of Dihydroquinazolines
    Publication number: 20090221822
    Abstract: The present invention relates to a process for the preparation of dihydroquinazolines, which are used for the production of medicaments.
    Type: Application
    Filed: June 2, 2006
    Publication date: September 3, 2009
    Applicant: Bayer HealthCare AG
    Inventors: Käthe Goossen, Oliver Kuhn, Mathias Berwe, Joachim Krüger, Hans-Christian Militzer
  • LYSOBACTIN AMIDES
    Publication number: 20090203582
    Abstract: The invention relates to lysobactin amides and methods for their preparation, as well as their use for manufacturing medicaments for the treatment and/or prophylaxis of diseases, in particular bacterial infectious diseases.
    Type: Application
    Filed: October 10, 2008
    Publication date: August 13, 2009
    Inventors: Franz VON NUSSBAUM, Hartmut Beck, Nina Brunner, Rainer Endermann, Johannes Koebberling, Jacques Ragot, Joachim Telser, Joachim Schuhmacher, Sonja Anlauf, Yolanda Cancho-Grande, Susanne Greschat, Hans-Christian Militzer, Guido Schiffer
  • 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
  • Process for preparing tertiary phosphines
    Publication number: 20070299273
    Abstract: The invention relates to a process for synthesizing tertiary phosphines by reacting halophosphines with organomagnesium compounds in the presence of copper compounds and optionally of salts.
    Type: Application
    Filed: June 5, 2007
    Publication date: December 27, 2007
    Inventors: Florian Rampf, Hans-Christian Militzer
  • Chiral diphosphorus compounds and their transition metal complexes
    Publication number: 20070155971
    Abstract: The present invention relates to chiral diphosphorus compounds and their transition metal complexes, to a process for preparing chiral diphosphorus compounds and their transition metal complexes and also to their use in asymmetric syntheses.
    Type: Application
    Filed: February 16, 2007
    Publication date: July 5, 2007
    Inventors: Benjamin Meseguer, Hans-Christian Militzer, Sergio Castillon, Carmen Claver, Yolanda Diaz, Mohamed Aghmiz, Ester Guiu, Ali Aghmiz, Anna Masdeu
  • Process for preparing tertiary phosphines
    Patent number: 7230136
    Abstract: The invention relates to a process for synthesizing tertiary phosphines by reacting halophosphines with organomagnesium compounds in the presence of copper compounds and optionally of salts.
    Type: Grant
    Filed: April 17, 2003
    Date of Patent: June 12, 2007
    Assignee: LANXESS Deutschland GmbH
    Inventors: Florian Rampf, Hans-Christian Militzer
  • Polyamino acid-catalyzed process for the enantioselective epoxidation of ?,?-unsaturated enones and ?,?-unsaturated sulfones
    Patent number: 7208447
    Abstract: The invention relates to a novel process that makes it possible to epoxidize ?,?-unsaturated enones or ?,?-unsaturated sulfones with high conversions and enantiomeric excesses in a two-phase system without addition of water in the presence of an organic solvent, a base, an oxidant, a diastereomer- and enantiomer-enriched homo-polyamino acid that has not been separately preactivated as catalyst, and a specific phase-transfer catalyst as cocatalyst.
    Type: Grant
    Filed: August 25, 2004
    Date of Patent: April 24, 2007
    Assignee: Lanxess Deutschland GmbH
    Inventors: Thomas Geller, Christa Maria Krüger, Hans-Christian Militzer
  • Chiral diphosphorus compounds and their transition metal complexes
    Patent number: 7193092
    Abstract: The present invention relates to chiral diphosphorus compounds and their transition metal complexes, to a process for preparing chiral diphosphorus compounds and their transition metal complexes and also to their use in asymmetric syntheses.
    Type: Grant
    Filed: August 19, 2003
    Date of Patent: March 20, 2007
    Assignee: Lanxess Deutschland GmbH
    Inventors: Benjamin Meseguer, Hans-Christian Militzer, Sergio Castillon, Carmen Claver, Yolanda Diaz, Mohamed Aghmiz, Ester Guiu, Ali Aghmiz, Anna Masdeu
  • Chiral monophosphorus compounds
    Publication number: 20060183930
    Abstract: The present invention relates to catalysts comprising chiral monophosphorus compounds and their use, the chiral monophosphorus compounds themselves and also their precursors.
    Type: Application
    Filed: April 10, 2006
    Publication date: August 17, 2006
    Inventors: Claus Dreisbach, Benjamin Meseguer, Thomas Prinz, Ulrich Scholz, Hans-Christian Militzer, Friederike Agel, Birgit Drieben-Holscher
  • Chiral monophosphorus compounds
    Patent number: 7057061
    Abstract: The present invention relates to catalysts comprising chiral monophosphorus compounds and their use, the chiral monophosphorus compounds themselves and also their precursors.
    Type: Grant
    Filed: September 27, 2002
    Date of Patent: June 6, 2006
    Assignee: Bayer Aktiengesellschaft
    Inventors: Claus Dreisbach, Benjamin Meseguer, Thomas Prinz, Ulrich Scholz, Hans-Christian Militzer, Friederike Agel, Birgit Drieβen-Hölscher
  • 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
  • Complexes of N-heterocyclic carbenes and the use thereof
    Publication number: 20050154205
    Abstract: The present invention relates to a process for preparing polyaryl compounds by coupling aryl halides or aryl sulphonates and reactive aryl compounds in the presence of novel transition metal complexes of N-heterocyclic carbenes which, just like the N-heterocyclic carbenes themselves and the salts from which they are derived, form part of the invention.
    Type: Application
    Filed: March 10, 2005
    Publication date: July 14, 2005
    Inventors: Hans-Christian Militzer, Ulrich Scholz, Wolfgang Herrmann, Christian Gstottmayr
  • Polyamino acids and method for producing the same
    Publication number: 20050119445
    Abstract: The invention relates to polyamino acids, to a method for producing the same and to their use as catalysts for enantioselective epoxidation of ?,?-unsaturated enons and ?,?-unsaturated sulfones.
    Type: Application
    Filed: February 14, 2003
    Publication date: June 2, 2005
    Inventors: Thomas Geller, Arne Gerlach, Anton Vidal-Ferran, Hans-Christian Militzer, Reinhard Langer
  • Chiral diphosphorus compounds and their transition metal complexes
    Publication number: 20050080047
    Abstract: The present invention relates to chiral diphosphorus compounds and their transition metal complexes, to a process for preparing chiral diphosphorus compounds and their transition metal complexes and also to their use in asymmetric syntheses.
    Type: Application
    Filed: August 19, 2003
    Publication date: April 14, 2005
    Inventors: Benjamin Meseguer, Hans-Christian Militzer, Sergio Castillon, Carmen Claver, Yolanda Diaz, Mohamed Aghmiz, Ester Guiu, Ali Aghmiz, Anna Masdeu