Patents by Inventor Edgar Durand Davis

Edgar Durand Davis 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).

  • Two-stage isomerization of saturated C6 hydrocarbons
    Patent number: 6503465
    Abstract: A process and/or system is provided for isomerizing a hydrocarbon feedstock comprising saturated C6 hydrocarbons by contacting the hydrocarbon feedstock, in the presence of hydrogen and optionally a chloride, with a first isomerization catalyst composition in a first isomerization reactor defining a first reaction zone operated at a first reaction temperature, withdrawing a first intermediate stream comprising cyclohexane and n-hexane from the first reaction zone, separating the first intermediate stream, via a first separator, into a first product stream comprising cyclohexane and a second intermediate stream comprising n-hexane, contacting the second intermediate stream, in the presence of hydrogen and optionally a chloride, with a second isomerization catalyst composition in a second isomerization reactor defining a second reaction zone operated at a second reaction temperature greater than the first reaction temperature, and withdrawing from the second reaction zone a second product stream comprising isoh
    Type: Grant
    Filed: May 4, 2000
    Date of Patent: January 7, 2003
    Assignee: Phillips Petroleum Company
    Inventors: Fan-nan Lin, Edgar Durand Davis
  • Two-stage isomerization of saturated C.sub. 6 hydrocarbons
    Patent number: 6133496
    Abstract: A process and/or system is provided for isomerizing a hydrocarbon feedstock comprising saturated C.sub.
    Type: Grant
    Filed: March 9, 1999
    Date of Patent: October 17, 2000
    Assignee: Phillips Petroleum Company
    Inventors: Fan-nan Lin, Edgar Durand Davis