Patents by Inventor Michael Zöllinger

Michael Zöllinger 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 LIGHTENING THE COLOR OF POLYISOCYANATES WITH OZONE-CONTAINING GAS
    Publication number: 20110028579
    Abstract: The continuous or quasi-continuous process for lightening organic polyisocyanates with ozone-containing gas, the treatment of the organic polyisocyanate being effected with an ozone-containing gas which furthermore comprises at least one further inert and/or reactive gas can be carried out, according to the invention, in a stirred tank with connected storage tank, in a sieve tray column or in a packed column.
    Type: Application
    Filed: March 31, 2009
    Publication date: February 3, 2011
    Applicant: BASE SE
    Inventors: Michael Zoellinger, Johannes Adam, Markus Kraemer, Johannes Jacobs, Oliver Bey, Peter Zehner, Walter Van Gysel, Claudia Huang Ruobin, Matthias Kroner