Patents by Inventor Andre Rist

Andre Rist 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 desulfurizing fuel gas containing sulfur
    Patent number: 4852995
    Abstract: The invention relates to a process for effecting a high desulphuration of a fuel gas containing sulphur issuing from the gasification of sulphurous fuels, wherein the gas is subjected to the action of vapors of manganese and/or zinc and/or oxides thereof (in the form of aerosols) while it is at a temperature ranging from 1 600.degree. C. to 350.degree. C.
    Type: Grant
    Filed: May 15, 1987
    Date of Patent: August 1, 1989
    Assignee: Union Siderurgique du Nord et de L'Est de La France
    Inventors: Jean Cordier, Andre Rist