Patents by Inventor Roelof Cornelisse

Roelof Cornelisse 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 removal of acid gases from gas mixtures containing methane
    Patent number: 4372925
    Abstract: A process for the treatment of a gas mixture containing methane and light hydrocarbons is disclosed, the process being characterized in that the gas mixture is treated in two steps consecutively with two different liquid mixtures, each of which contains a physical and chemical absorbent, in the first step H.sub.2 S being selectively removed, in the second step the remaining acid gases being virtually completely removed.
    Type: Grant
    Filed: March 25, 1981
    Date of Patent: February 8, 1983
    Assignee: Shell Oil Company
    Inventor: Roelof Cornelisse
  • Process for the removal of hydrogen sulfide from gas streams
    Patent number: 4241032
    Abstract: A process for the removal of hydrogen sulfide from a gas stream is described, the process being characterized by removal of organic sulfur compounds also present in the stream and by an improved solvent flow.
    Type: Grant
    Filed: May 22, 1979
    Date of Patent: December 23, 1980
    Assignee: Shell Oil Company
    Inventors: Erik S. E. Werner, Cornelis Ouwerkerk, Roelof Cornelisse