Patents by Inventor Siegfried Michel

Siegfried Michel 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 the recovery of carbon monoxide from a purge gas containing at least carbon monoxide, nitrogen and hydrogen
    Patent number: 5683492
    Abstract: A process for the recovery of carbon monoxide from a purge gas from acetic acid synthetic containing at least carbon monoxide, nitrogen and hydrogen, wherein the purge gas (6) containing at least carbon monoxide, nitrogen and hydrogen is separated into a gas fraction (11) rich in carbon monoxide and a residual gas fraction (12, 13) rich in nitrogen and hydrogen by an adsorption process (G), preferably by a pressure change absorption process, and the gas fraction (11) rich in carbon monoxide is returned upstream of the acetic acid.
    Type: Grant
    Filed: May 24, 1996
    Date of Patent: November 4, 1997
    Assignee: Linde Aktiengesellschaft
    Inventors: Peter Hesse, Siegfried Michel, Horst Weiss