Patents by Inventor Ralph M. Kelly

Ralph M. Kelly 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: 4659343
    Abstract: An improved process is described for separating carbon dioxide from light hydrocarbons by means of a membrane. The membrane separation is operated so that hydrocarbon liquids are condensed in contact with the membrane. This process is particularly valuable for the separation of gas mixtures into separate acid gas, gaseous hydrocarbon and liquid hydrocarbon streams.
    Type: Grant
    Filed: September 9, 1985
    Date of Patent: April 21, 1987
    Assignee: The Cynara Company
    Inventor: Ralph M. Kelly