Patents by Inventor Heinz-Gerhard A. Kock

Heinz-Gerhard A. Kock 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 total sulfur content of claus off-gases
    Patent number: 3947547
    Abstract: An improved Claus off-gas treating process is disclosed where sulfur dioxide and other convertible sulfur compounds present in the off-gas are catalytically reduced to hydrogen sulfide by mixing said off-gases with the hot gaseous product of the combustion of a carbonaceous fuel with an oxygen-containing gas in a line burner to heat the off-gases to a temperature above 175.degree.C and passing the heated gaseous product together with a hydrogen-containing gas over a reduction catalyst thereby converting substantially all of the sulfur dioxide and other convertible sulfur compounds present to hydrogen sulfide which is subsequently removed with an absorbent or absorbent for hydrogen sulfide.
    Type: Grant
    Filed: December 13, 1973
    Date of Patent: March 30, 1976
    Assignee: Shell Oil Company
    Inventors: Willem Groenendaal, Heinz-Gerhard A. Kock, Philippus Loof