Patents by Inventor Markus Hiller

Markus Hiller 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).

  • Optimized introduction of the starting materials for a process for preparing aromatic amines by hydrogenation of nitroaromatics
    Patent number: 9308515
    Abstract: The invention relates to a process for preparing aromatic amines by hydrogenation of corresponding nitroaromatics by means of hydrogen, and also an apparatus suitable for this purpose. In particular, the invention relates to a process for preparing toluenediamine (TDA) by hydrogenation of dinitrotoluene (DNT).
    Type: Grant
    Filed: July 14, 2014
    Date of Patent: April 12, 2016
    Assignee: BASF SE
    Inventors: Gerrit Waters, Johannes Buettner, Andreas Raichle, Markus Hiller, Peter Renze, Michael Herrich, Helmut Rueger, Burkhard Hantel, Arndt Hofmann, Ruediger Fritz, Kathrin Richter, Holgar Braunsberg, Lothar Bruntsch
  • Process for preparing isocyanates by phosgenation of amines in the liquid phase
    Patent number: 9126904
    Abstract: The present invention relates to a process for preparing isocyanates by reacting amines with phosgene in the liquid phase, where phosgene, hydrogen chloride and isocyanates are separated with stripping columns operated at different pressures.
    Type: Grant
    Filed: October 21, 2013
    Date of Patent: September 8, 2015
    Assignee: BASF SE
    Inventors: Torsten Mattke, Markus Hiller, Hans-Juergen Pallasch
  • OPTIMIZED INTRODUCTION OF THE STARTING MATERIALS FOR A PROCESS FOR PREPARING AROMATIC AMINES BY HYDROGENATION OF NITROAROMATICS
    Publication number: 20140341783
    Abstract: The invention relates to a process for preparing aromatic amines by hydrogenation of corresponding nitroaromatics by means of hydrogen, and also an apparatus suitable for this purpose. In particular, the invention relates to a process for preparing toluenediamine (TDA) by hydrogenation of dinitrotoluene (DNT).
    Type: Application
    Filed: July 14, 2014
    Publication date: November 20, 2014
    Applicant: BASF SE
    Inventors: Gerrit WATERS, Johannes BUETTNER, Andreas RAICHLE, Markus HILLER, Peter RENZE, Michael HERRICH, Helmut RUEGER, Burkhard HANTEL, Arndt HOFMANN, Ruediger FRITZ, Kathrin RICHTER, Holgar BRAUNSBERG, Lothar BRUNTSCH
  • Optimized introduction of the starting materials for a process for preparing aromatic amines by hydrogenation of nitroaromatics
    Patent number: 8835688
    Abstract: The invention relates to a process for preparing aromatic amines by hydrogenation of corresponding nitroaromatics by means of hydrogen, and also an apparatus suitable for this purpose. In particular, the invention relates to a process for preparing toluenediamine (TDA) by hydrogenation of dinitrotoluene (DNT).
    Type: Grant
    Filed: March 15, 2012
    Date of Patent: September 16, 2014
    Assignee: BASF SE
    Inventors: Gerrit Waters, Johannes Buettner, Andreas Raichle, Markus Hiller, Peter Renze, Michael Herrich, Helmut Rueger, Burkhard Hantel, Arndt Hofmann, Ruediger Fritz, Kathrin Richter, Holgar Braunsberg, Lothar Bruntsch
  • PROCESS FOR PREPARING ISOCYANATES BY PHOSGENATION OF AMINES IN THE LIQUID PHASE
    Publication number: 20140114087
    Abstract: The present invention relates to a process for preparing isocyanates by reacting amines with phosgene in the liquid phase, where phosgene, hydrogen chloride and isocyanates are separated with stripping columns operated at different pressures.
    Type: Application
    Filed: October 21, 2013
    Publication date: April 24, 2014
    Applicant: BASF SE
    Inventors: Torsten MATTKE, Markus Hiller, Hans-Juergen Pallasch
  • OPTIMIZED INTRODUCTION OF THE STARTING MATERIALS FOR A PROCESS FOR PREPARING AROMATIC AMINES BY HYDROGENATION OF NITROAROMATICS
    Publication number: 20120238779
    Abstract: The invention relates to a process for preparing aromatic amines by hydrogenation of corresponding nitroaromatics by means of hydrogen, and also an apparatus suitable for this purpose. In particular, the invention relates to a process for preparing toluenediamine (TDA) by hydrogenation of dinitrotoluene (DNT).
    Type: Application
    Filed: March 15, 2012
    Publication date: September 20, 2012
    Applicant: BASF SE
    Inventors: Gerrit WATERS, Johannes Büttner, Andreas Raichle, Markus Hiller, Peter Renze, Michael Herrich, Helmut Rüger, Burkhard Hantel, Arndt Hofmann, Rüdiger Fritz, Kathrin Richter, Holgar Braunsberg, Lothar Bruntsch