Patents by Inventor Yiwen Dong

Yiwen Dong 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 WORKING UP FATTY COMPOUNDS
    Publication number: 20070060763
    Abstract: The invention relates to a process for working up fatty compounds from esterification and transesterification reactions, wherein, the fatty compounds are contacted with ion exchangers to remove unwanted constituents.
    Type: Application
    Filed: August 9, 2006
    Publication date: March 15, 2007
    Inventors: Stefan Franzen, Thomas Kapala, Eike Ulf Mahnke, Yiwen Dong