Patents by Inventor Vernon A. Cawi

Vernon A. Cawi 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).

  • Patent number: 5254790
    Abstract: An integrated process for converting C.sub.4 /C.sub.5 hydrocarbons contained in a gasoline feedstock to more valuable motor fuel components includes various distillation steps, a hydroisomerization step, an etherification step (for producing t-amyl methyl ether), and an alkylation step. In a preferred embodiment, this process additionally includes a dehydrogenation step and a step of using formed debydrogenated hydrocarbons in the etherification step.
    Type: Grant
    Filed: July 1, 1992
    Date of Patent: October 19, 1993
    Assignee: Phillips Petroleum Company
    Inventors: Gregory D. Thomas, Vernon A. Cawi
  • Patent number: 4556480
    Abstract: A method for removing the mineral sediment from a crude oil processing system which entails filtering a topped crude oil to remove mineral sediment and backwashing the removed sediment using topped crude oil with subsequent recycle of the backwash stream to a point in the process prior to a desalting operation.
    Type: Grant
    Filed: August 23, 1984
    Date of Patent: December 3, 1985
    Assignee: Phillips Petroleum Company
    Inventors: Vernon A. Cawi, Barry J. Stengle