Patents by Inventor Sohnke Rolfs

Sohnke Rolfs 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 producing a thermostable TiO/SiOmixed oxide and mixed oxide produced therefrom
    Patent number: 8647599
    Abstract: The present invention relates to a process for preparing TiO2/SiO2 mixed oxides or the hydrates and/or oxide hydrates thereof comprised of 0.5 to 95 wt % SiO2 and the balance as TiO2, each referring to the completely calcined product, by using titanium alcoholates and aqueous silica sol. Moreover, the invention relates to the use of these mixed oxides as catalyst carriers.
    Type: Grant
    Filed: September 2, 2010
    Date of Patent: February 11, 2014
    Assignee: Sasol Germany GmbH
    Inventors: Jurgen Schimanski, Kai Dallmann, Sohnke Rolfs, Kai Dolling, Andrea Brasch, Ute Freese
  • Process for Producing a Thermostable Ti02/Si02 Mixed Oxide and Mixed Oxide Produced Therefrom
    Publication number: 20110020200
    Abstract: The present invention relates to a process for preparing TiO2/SiO2 mixed oxides or the hydrates and/or oxide hydrates thereof comprised of 0.5 to 95 wt % SiO2 and the balance as TiO2, each referring to the completely calcined product, by using titanium alcoholates and aqueous silica sol. Moreover, the invention relates to the use of these mixed oxides as catalyst carriers.
    Type: Application
    Filed: September 2, 2010
    Publication date: January 27, 2011
    Inventors: Jurgen Schimanski, Kai Dallmann, Sohnke Rolfs, Kai Dolling, Andrea Brasch, Ute Freese
  • Process for producing a thermostable TiO2/SiO2 mixed oxide and mixed oxide produced therefrom
    Patent number: 7790138
    Abstract: The present invention relates to a process for preparing TiO2/SiO2 mixed oxides or the hydrates and/or oxide hydrates thereof comprised of 0.5 to 95 wt % SiO2 and the balance as TiO2, each referring to the completely calcined product, by using titanium alcoholates and aqueous silica sol. Moreover, the invention relates to the use of these mixed oxides as catalyst carriers.
    Type: Grant
    Filed: May 4, 2006
    Date of Patent: September 7, 2010
    Assignee: Sasol Germany GmbH
    Inventors: Jurgen Schimanski, Kai Dallmann, Sohnke Rolfs, Kai Dolling, Andrea Brasch, Ute Freese
  • Process for producing a thermostable TiO2/SiO2 mixed oxide and mixed oxide produced therefrom
    Publication number: 20070003464
    Abstract: The present invention relates to a process for preparing TiO2/SiO2 mixed oxides or the hydrates and/or oxide hydrates thereof comprised of 0.5 to 95 wt % SiO2 and the balance as TiO2, each referring to the completely calcined product, by using titanium alcoholates and aqueous silica sol. Moreover, the invention relates to the use of these mixed oxides as catalyst carriers.
    Type: Application
    Filed: May 4, 2006
    Publication date: January 4, 2007
    Inventors: Jurgen Schimanski, Kai Dallmann, Sohnke Rolfs, Kai Dolling, Andrea Brasch, Ute Freese