Patents by Inventor Siegfried Ruch

Siegfried Ruch 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: 4655798
    Abstract: Acetylene is removed from a crude C.sub.2 -stream by scrubbing with an absorbent in an absorption column, a liquid, substantially acetylene-free C.sub.2 -stream being fed into the absorption column between the feed points for the crude C.sub.2 -stream and for the absorbent.
    Type: Grant
    Filed: April 3, 1985
    Date of Patent: April 7, 1987
    Assignee: EC Erdolchemie GmbH
    Inventors: Siegfried Ruch, Karl-Heinz Hagen, Klaus-Peter Hambrock