Patents by Inventor Fred Ronaold Olsson

Fred Ronaold Olsson 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).

  • Process for producing ethanol using an extractive distillation column
    Patent number: 9102581
    Abstract: Recovery of ethanol from a crude ethanol product obtained from the hydrogenation of acetic acid. Separation and purification processes of crude ethanol product are employed to allow recovery of ethanol and remove impurities. In addition, the process involves separating the crude ethanol product using an extractive distillation column that employs an extraction agent, such as a recycled stream comprising water.
    Type: Grant
    Filed: October 4, 2012
    Date of Patent: August 11, 2015
    Assignee: Celanese International Corporation
    Inventors: R. Jay Warner, Radmila Wollrab, Wael Amleh, Gerald Grusendorf, Trinity Horton Hale, Victor J. Johnston, Fred Ronaold Olsson, Nathan Kirk Powell, Manuel Salado, Lincoln Sarager