Patents by Inventor Thomas J. Edwards

Thomas J. Edwards 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).

  • Catalytic hydrolysis of carbonyl sulfide
    Patent number: 4524050
    Abstract: Hydrolysis of COS in gas streams to H.sub.2 S and CO.sub.2 can be improved by using certain bicyclo tertiary amine catalysts. Bicyclo tertiary amine catalysts can enhance COS hydrolysis in an acid gas removal solvent in the liquid phase or on a solid support system in the gas phase.
    Type: Grant
    Filed: July 8, 1983
    Date of Patent: June 18, 1985
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Michael S. Chen, Thomas J. Edwards, William R. Ernst
  • Perforated bubble caps for enhanced vapor/liquid contact on a distillation tray
    Patent number: 4510023
    Abstract: This invention relates to a distillation system for effecting separation of a multicomponent fluid and to an improved bubble-cap design which can accommodate very wide ranges of vapor and liquid loadings. A portion of the tray is provided with bubble caps having first and second slot openings with the second slot opening at an elevation higher than the first opening.
    Type: Grant
    Filed: June 17, 1983
    Date of Patent: April 9, 1985
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Douglas L. Bennett, Thomas J. Edwards, Howard C. Rowles