Patents by Inventor Kai Dolling

Kai Dolling 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 preparing boehmitic aluminas having a high ?-conversion temperature
    Patent number: 8147795
    Abstract: The present invention relates to a process for preparing boehmitic aluminas by hydrolysis of aluminum alcoholates in aqueous, alkaline solution. It further relates to aluminas or alumina hydrates prepared by this process and their uses.
    Type: Grant
    Filed: July 16, 2004
    Date of Patent: April 3, 2012
    Assignee: Sasol Germany GmbH
    Inventors: Kai Dolling, Andrea Brasch
  • 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
  • Method for producing aluminum trihydrates having a high pore volume, aluminum trihydrates produced according to this method and the use thereof
    Patent number: 7790139
    Abstract: The object of the invention is a method for the manufacture of aluminum trihydrates by hydrolysis of aluminum alcoholates in aqueous, alkaline solution with addition of organic compounds, the so manufactured aluminum trihydrates and their use as catalyst supports.
    Type: Grant
    Filed: July 16, 2004
    Date of Patent: September 7, 2010
    Assignee: Sasol Germany GmbH
    Inventors: Kai Dolling, Andrea Brasch
  • 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
  • Method for producing aluminum trihydrates having a high pore volume, aluminum trihydrates produced according to this method and the use thereof
    Publication number: 20060280676
    Abstract: The object of the invention is a method for the manufacture of aluminum trihydrates by hydrolysis of aluminum alcoholates in aqueous, alkaline solution with addition of organic compounds, the so manufactured aluminum trihydrates and their use as catalyst supports.
    Type: Application
    Filed: July 16, 2004
    Publication date: December 14, 2006
    Inventors: Kai Dolling, Andrea Brasch
  • Process for preparing boehmitic aluminas having a high alpha -conversion temperature
    Publication number: 20060246000
    Abstract: The present invention relates to a process for preparing boehmitic aluminas by hydrolysis of aluminium alcoholates in aqueous, alkaline solution. It further relates to aluminas or alumina hydrates prepared by this process and their uses.
    Type: Application
    Filed: July 16, 2004
    Publication date: November 2, 2006
    Inventors: Kai Dolling, Andrea Brasch
  • Process for the preparation of high-purity magnesium hydroxide and magnesium oxide from magnesium alkoxides
    Patent number: 6569399
    Abstract: There is provided a process for producing high-purity magnesium hydroxide by reaction of magnesium or reactive magnesium compounds with hydroxy compounds yielding magnesium alkoxides, followed by hydrolysis to form magnesium hydroxide, or a process for producing magnesium oxide by calcination of magnesium hydroxide.
    Type: Grant
    Filed: June 24, 1998
    Date of Patent: May 27, 2003
    Assignee: SASOL Germany GmbH
    Inventors: Andrea Brasch, Klaus Diblitz, Kai Dölling, Tilo Feldbaum, Klaus Noweck, Jan Schiefler
  • PROCESS FOR THE PREPARATION OF HIGH-PURITY MAGNESIUM HYDROXIDE AND MAGNESIUM OXIDE FROM MAGNESIUM ALKOXIDES
    Publication number: 20020015677
    Abstract: There is provided a process for producing high-purity magnesium hydroxide by reaction of magnesium or reactive magnesium compounds with hydroxy compounds yielding magnesium alkoxides, followed by hydrolysis to form magnesium hydroxide, or a process for producing magnesium oxide by calcination of magnesium hydroxide.
    Type: Application
    Filed: June 24, 1998
    Publication date: February 7, 2002
    Inventors: ANDREA BRASCH, KLAUS DIBLITZ, KAI DOLLING, TILO FELDBAUM, KLAUS NOWECK, JAN SCHIEFLER