Patents by Inventor Regina Optehostert

Regina Optehostert 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 the sulphur content of anatase titania and the so-obtained product
    Patent number: 11135570
    Abstract: An anatase titanium dioxide includes at least one compound selected from oxides of Si, Al, and Zr in an amount of 2-50% b.w., calculated as oxides, of a total weight of the oxides, and a sulfur content of less than 150 ppm based on the total weight of the oxides.
    Type: Grant
    Filed: June 2, 2017
    Date of Patent: October 5, 2021
    Assignee: VENATOR GERMANY GMBH
    Inventors: Ralf Becker, Regina Optehostert, Rolf Wittenberg
  • PROCESS FOR REDUCING THE SULPHUR CONTENT OF ANATASE TITANIA AND THE SO-OBTAINED PRODUCT
    Publication number: 20200306727
    Abstract: An anatase titanium dioxide includes at least one compound selected from oxides of Si, Al, and Zr in an amount of 2-50% b.w., calculated as oxides, of a total weight of the oxides, and a sulfur content of less than 150 ppm based on the total weight of the oxides.
    Type: Application
    Filed: June 2, 2017
    Publication date: October 1, 2020
    Applicant: VENATOR GERMANY GMBH
    Inventors: RALF BECKER, Regina OPTEHOSTERT, Rolf WITTENBERG
  • Process for reducing the sulphur content of anatase titania and the so-obtained product
    Publication number: 20170348671
    Abstract: The present invention relates to the field of heterogeneous catalysis. In more detail, it refers to a process for reducing the sulphur content of a stabilized titania, the so-obtained material and the use thereof for manufacturing of support materials for heterogeneous catalysts.
    Type: Application
    Filed: June 6, 2016
    Publication date: December 7, 2017
    Applicant: Huntsman P&A Germany GmbH
    Inventors: Ralf Becker, Regina Optehostert, Rolf Wittenberg
  • Low-Alkali Catalyst Material and Process for Preparation Thereof
    Publication number: 20170320043
    Abstract: A catalyst material, more specifically a catalyst material based on TiO2/SiO2 in particulate form having a content of metal in the form of the metal oxide or metal oxide precursor, is used in chemical catalysis, especially for removal of pollutants, such as nitrogen oxides from combustion gases.
    Type: Application
    Filed: July 24, 2017
    Publication date: November 9, 2017
    Applicant: Sachtleben Chemie GmbH
    Inventors: Bernd Proft, Regina Optehostert, Ulrich Gesenhues, Bernd Rohe, Sonja Grothe
  • Low-Alkali Catalyst Material and Process for Preparation Thereof
    Publication number: 20130172176
    Abstract: A catalyst material, more specifically a catalyst material based on TiO2/SiO2 in particulate form having a content of metal in the form of the metal oxide or metal oxide precursor, to processes for preparation thereof and to the use thereof in chemical catalysis, especially for removal of pollutants, such as nitrogen oxides from combustion gases
    Type: Application
    Filed: June 25, 2011
    Publication date: July 4, 2013
    Applicant: SACHTLEBEN CHEMIE GMBH
    Inventors: Bernd Proft, Regina Optehostert, Ulrich Gesenhues, Bernd Rohe, Sonja Grothe
  • Process for the production of a catalyst preparation and use of the catalyst preparation
    Patent number: 8062988
    Abstract: A process is described for the production of a catalyst preparation, in which the catalyst containing at least one inorganic compound which is solid under standard conditions is comminuted by means of a dispersion unit into particles having a maximum average particle size d50.3 of 2 ?m, preferably a maximum of 1 ?m, implemented in accordance with DIN 66141 and DIN 66144, and is distributed at a concentration of from 1 to 50 wt. % (relative to the finished catalyst preparation) in a liquid.
    Type: Grant
    Filed: May 3, 2010
    Date of Patent: November 22, 2011
    Assignee: Sachtleben Chemie GmbH
    Inventors: Bernd Proft, Elke Hirschberg, Regina Optehostert, Jochen Winkler, Klaus Pipplies, Michael Wedler
  • Process for the production of a catalyst preparation and use of the catalyst preparation
    Publication number: 20100209992
    Abstract: A process is described for the production of a catalyst preparation, in which the catalyst containing at least one inorganic compound which is solid under standard conditions is comminuted by means of a dispersion unit into particles having a maximum average particle size d50.3 of 2 ?m, preferably a maximum of 1 ?m, implemented in accordance with DIN 66141 and DIN 66144, and is distributed at a concentration of from 1 to 50 wt. % (relative to the finished catalyst preparation) in a liquid.
    Type: Application
    Filed: May 3, 2010
    Publication date: August 19, 2010
    Inventors: BERND PROFT, Elke Hirschberg, Regina Optehostert, Jochen Winkler, Klaus Pipplies, Michael Wedler
  • Method for producing a catalytic preparation and use of said catalytic preparation
    Publication number: 20070167311
    Abstract: A process is described for the production of a catalyst preparation, in which the catalyst containing at least one inorganic compound which is solid under standard conditions is comminuted by means of a dispersion unit into particles having a maximum average particle size d50.3 of 2 ?m, preferably a maximum of 1 ?m, implemented in accordance with DIN 66141 and DIN 66144, and is distributed at a concentration of from 1 to 50 wt. % (relative to the finished catalyst preparation) in a liquid.
    Type: Application
    Filed: December 9, 2004
    Publication date: July 19, 2007
    Inventors: Bernd Proft, Elke Hirschberg, Regina Optehostert, Jochen Winkler, Klaus Pipplies, Michael Wedler