Patents by Inventor Botho Druse

Botho Druse 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 preparing silicon dioxide
    Patent number: 6322765
    Abstract: The invention relates to a process for preparing highly disperse silicon dioxide by combustion of organochlorosilicon compounds, which comprises transporting a liquid which contains at least one hydrocarbon compound and at least one organochlorosilicon compound into a burner and burning the liquid there in the presence of an oxygen-containing gas and without supply of water.
    Type: Grant
    Filed: September 8, 1998
    Date of Patent: November 27, 2001
    Assignee: Wacker-Chemie GmbH
    Inventors: Ernst Mühlhofer, Carl-Heinz Ehrke, Gerhard Kalchgruber, Botho Druse