Patents by Inventor Alexander Dorges

Alexander Dorges 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 of desulfurizing hot gases
    Patent number: 3931389
    Abstract: Gases produced by reacting fuels with oxygen containing gases and water vapor under pressure are desulfurized by scrubbing with a concentrated solution of one or more alkali salts of weak inorganic acids at a temperature near the atmospheric-pressure boiling point of the solution in a column while maintaining an exchange ratio of from 0.2 to 2.0 cubic meters of the concentrated solution per standard cubic meter hydrogen sulfide in the gas to be purified.
    Type: Grant
    Filed: October 23, 1974
    Date of Patent: January 6, 1976
    Assignee: Metallgesellschaft Aktiengesellschaft
    Inventors: Karl Bratzler, Alexander Dorges, Georg Kempf, Paul Rudolph, Johann Schlauer