Patents by Inventor Richard F. Beaupre

Richard F. Beaupre 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).

  • Separation of gas from solvent by membrane technology
    Patent number: 4995888
    Abstract: Hydrogen sulfide is separated from the dimethyl ether of tetraethylene glycol through a membrane of hydrolyzed cellulose.
    Type: Grant
    Filed: July 5, 1988
    Date of Patent: February 26, 1991
    Assignee: Texaco Inc.
    Inventors: Richard F. Beaupre, Dick Y. Jung
  • Membrane process for separating gases from gas-liquid charge streams
    Patent number: 4897091
    Abstract: Gases such as carbon dioxide may be separated from rich liquor (such as methanol containing carbon dioxide) by passage of gas through a membrane which is the reaction product of (i) a polyamine and (ii) a polyisocyanate or a poly (carbonyl chloride).
    Type: Grant
    Filed: April 4, 1988
    Date of Patent: January 30, 1990
    Assignee: Texaco Inc.
    Inventors: Mordechai Pasternak, Richard F. Beaupre
  • Separation of gases
    Patent number: 4889541
    Abstract: A rich liquid containing carbon dioxide-in-methanol may be treated to separate carbon dioxide by use of a silicone or silicone-polycarbonate membrane.
    Type: Grant
    Filed: July 5, 1988
    Date of Patent: December 26, 1989
    Assignee: Texaco Inc.
    Inventor: Richard F. Beaupre
  • Variable length membrane module
    Patent number: 4808309
    Abstract: This invention provides a variable length membrane module for separation of fluids in solution. The module comprises a series of hollow fiber membranes, a tubing surrounding the series of hollow membranes, an outer steel tube encasing the series of hollow membranes and a pair of nuts arranged to engage the tubing to adjust the length of the hollow fiber membranes to allow proper passage of the fluids therethrough.
    Type: Grant
    Filed: January 4, 1988
    Date of Patent: February 28, 1989
    Assignee: Texaco Inc.
    Inventors: Richard F. Beaupre, Richard P. Guptill, Martin D. Hilmar