Patents by Inventor Carsten Hummelt

Carsten Hummelt 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 isolating di-trimethylol propane
    Patent number: 8642816
    Abstract: The present invention relates to a method for isolating ditrimethylol propane from secondary trimethylol propane production streams.
    Type: Grant
    Filed: August 11, 2009
    Date of Patent: February 4, 2014
    Assignee: LANXESS Deutschland GmbH
    Inventors: Gunter Rauchschwalbe, Ulrich Notheis, Michael Friederich, Hans-Dieter Gerriets, Carsten Hummelt, Christiane Oppenheimer-Stix, Paul Wagner
  • METHOD FOR ISOLATING DI-TRIMETHYLOL PROPANE
    Publication number: 20120010435
    Abstract: The present invention relates to a method for isolating ditrimethylol propane from secondary trimethylol propane production streams.
    Type: Application
    Filed: August 11, 2009
    Publication date: January 12, 2012
    Applicant: LANXESS DEUTSCHLAND GMBH
    Inventors: Gunter Rauchschwalbe, Ulrich Notheis, Michael Friederich, Hans-Dieer Gerriets, Carsten Hummelt, Christiane Oppenheimer-Stix, Paul Wagner