Patents by Inventor Karin Pickenacker

Karin Pickenacker 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 DISTILLATIVE SEPARATION OF MIXTURES COMPRISING MONOETHYLENE GLYCOL AND DIETHYLENTRIAMINE
    Publication number: 20090065346
    Abstract: Processes comprising: providing a mixture comprising monoethylene glycol and diethylenetriamine; and subjecting the mixture to extractive distillation with a diethylenetriamine-selective solvent comprising triethylene glycol to provide a first stream comprising monoethylene glycol and a second stream comprising diethylenetriamine; wherein the first stream is substantially free of diethylenetriamine, and wherein the second stream is substantially free of monoethylene glycol.
    Type: Application
    Filed: February 8, 2007
    Publication date: March 12, 2009
    Applicant: BASF Aktiengesellschaft Patents, Trademarks and Licenses
    Inventors: Karin Pickenacker, Johann-Peter Melder, Bram Willem Hoffer, Thomas Krug, Gunther van Cauwenberge, Frank-Friedrich Pape