Patents by Inventor Arlette WESENHAGEN

Arlette WESENHAGEN 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 the separation of an alkylene glycol
    Patent number: 9718752
    Abstract: The invention provides a process for the recovery of an alkylene glycol from an aqueous stream comprising the alkylene glycol and the corresponding dialkylene glycol, said process comprising the steps of providing the aqueous stream comprising the alkylene glycol and the corresponding dialkylene glycol, providing a first solvent stream, combining said aqueous stream comprising the alkylene glycol and the corresponding dialkylene glycol with said first solvent stream and recovering at least a portion of the alkylene glycol by liquid-liquid extraction, wherein said solvent comprises an amine.
    Type: Grant
    Filed: May 28, 2014
    Date of Patent: August 1, 2017
    Assignee: SHELL OIL COMPANY
    Inventors: Kai Jürgen Fischer, Wouter Koot, Arlette Wesenhagen, Roel Guillaume Hubertus Leonardus Bastings
  • PROCESS FOR THE SEPARATION OF AN ALKYLENE GLYCOL
    Publication number: 20160102035
    Abstract: The invention provides a process for the recovery of an alkylene glycol from an aqueous stream comprising the alkylene glycol and the corresponding dialkylene glycol, said process comprising the steps of providing the aqueous stream comprising the alkylene glycol and the corresponding dialkylene glycol, providing a first solvent stream, combining said aqueous stream comprising the alkylene glycol and the corresponding dialkylene glycol with said first solvent stream and recovering at least a portion of the alkylene glycol by liquid-liquid extraction, wherein said solvent comprises an amine.
    Type: Application
    Filed: May 28, 2014
    Publication date: April 14, 2016
    Inventors: Kai Jürgen FISCHER, Wouter KOOT, Arlette WESENHAGEN, Roel Guillaume Hubertus Leonardus BASTINGS