Patents by Inventor Gail M. DeLong

Gail M. DeLong 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).

  • Distillation of hydrocarbons
    Patent number: 5264117
    Abstract: Where side stream distillate strippers are used in the distillation of hydrocarbons, the required size of the distillation column and the amount of stripping gas or vapor required are reduced by passing components stripped from the distillates through a plurality of strippers in series, rather than directly back to the distillation zone.
    Type: Grant
    Filed: April 24, 1991
    Date of Patent: November 23, 1993
    Assignee: Sun Refining and Marketing Company
    Inventor: Gail M. DeLong