Patents by Inventor Sven Koether

Sven Koether 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).

  • Patent number: 8697021
    Abstract: The invention relates to a process for the catalytic hydrodehalogenation of SiCl4 to form HSiCl3, which comprises bringing a gaseous feed mixture comprising hydrogen and silicon tetrachloride into direct contact with at least one heating element of a resistance heating device, with the heating element being composed of a metal or a metal alloy and being heated to carry out the reaction.
    Type: Grant
    Filed: March 10, 2005
    Date of Patent: April 15, 2014
    Assignee: Evonik Degussa GmbH
    Inventors: Klaus Bohmhammel, Sven Koether, Gerhard Roewer, Ingo Roever, Jaroslaw Monkiewicz, Hans-Juergen Hoene
  • Publication number: 20090035205
    Abstract: The invention relates to a process for the catalytic hydrodehalogenation of SiCl4 to HSiCl3 in the presence of hydrogen, in which at least one metal or metal salt selected from among the elements of main group 2 of the Periodic Table of the Elements (PTE) is used as catalyst at a temperature in the range from 300 to 1 000° C. In particular, the catalyst is a metal or metal salt which forms stable metal chlorides under these conditions.
    Type: Application
    Filed: March 1, 2005
    Publication date: February 5, 2009
    Applicant: DEGUSSA AG
    Inventors: Klaus Bohmhammel, Sven Koether, Gerhard Roewer, Ingo Roever, Jaroslaw Monkiewicz, Hans-Juergen Hoene