Patents by Inventor Clarence Edward Chase

Clarence Edward Chase 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).

  • Method for separating methane from natural gas using bisglycoluril derivatives
    Patent number: 6290755
    Abstract: The present invention provides a bisglycoluril derivative composition useful for selectively covering methane from a gas stream including carbon dioxide.
    Type: Grant
    Filed: May 3, 2000
    Date of Patent: September 18, 2001
    Assignee: ExxonMobil Oil Corporation
    Inventors: Clarence D. Chang, Suzanne Elaine Schramm, Clarence Edward Chase
  • Method for separating methane from natural gas using bisglycoluril derivatives
    Patent number: 6106594
    Abstract: The present invention provides a method for selectively recovering methane from a gas stream including carbon dioxide using a bisglycoluril derivative to selectively extract the methane.
    Type: Grant
    Filed: January 22, 1999
    Date of Patent: August 22, 2000
    Assignee: Mobil Oil Corporation
    Inventors: Clarence D. Chang, Suzanne Elaine Schramm, Clarence Edward Chase