Patents by Inventor Peter Knappik

Peter Knappik 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).

  • Method For Separating Maleic Anhydride From Mixtures Containing the Same by Means of Stripping
    Publication number: 20080182996
    Abstract: The invention relates to a process for separating off maleic anhydride from a gas stream comprising maleic anhydride, in which a) the gas stream comprising maleic anhydride is brought into contact with a liquid absorbent phase comprising at least one high-boiling inert absorption medium for maleic anhydride and b) maleic anhydride is separated off from the resulting liquid absorbate phase by stripping with a hydrogen-comprising gas as stripping medium in a column, wherein the stripping medium is fed in at two points on the column which are at least one theoretical plate apart.
    Type: Application
    Filed: June 30, 2006
    Publication date: July 31, 2008
    Applicant: BASF Aktiengesellschaft
    Inventors: Gunther Windecker, Alexander Weck, Michael Steiniger, Jan Peter Bredehoft, Bianca Bender, Peter Knappik, Dany Vanden Hautte, Bernard Pierre, Beatrix Haffner