Patents by Inventor Theophilus Cornelus Van Den Heuvel

Theophilus Cornelus Van Den Heuvel 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).

  • Recovering urea and oil from a urea/oil complex
    Patent number: 9725408
    Abstract: Disclosed are methods of recovering urea from a urea/oil complex by drying the complex, combining the complex with water to form a urea solution, and removing water from the urea solution. Methods for recycling the urea in urea complexation processes are also disclosed. Also disclosed are methods of recovering polyunsaturated fatty acids or derivatives thereof from the urea/oil complexes.
    Type: Grant
    Filed: March 13, 2014
    Date of Patent: August 8, 2017
    Assignee: DSM Nutritional Products AG
    Inventors: Weijie Wang, Paul Frederick Mugford, Theophilus Cornelus Van Den Heuvel
  • RECOVERING UREA AND OIL FROM A UREA/OIL COMPLEX
    Publication number: 20160024423
    Abstract: Disclosed are methods of recovering urea from a urea/oil complex by drying the complex, combining the complex with water to form a urea solution, and removing water from the urea solution. Methods for recycling the urea in urea complexation processes are also disclosed. Also disclosed are methods of recovering polyunsaturated fatty acids or derivatives thereof from the urea/oil complexes.
    Type: Application
    Filed: March 13, 2014
    Publication date: January 28, 2016
    Inventors: Weijie WANG, Paul Frederick MUGFORD, Theophilus Cornelus Van Den Heuvel