Patents by Inventor Cornelis Leonardus Mariam Vrouwenvelder

Cornelis Leonardus Mariam Vrouwenvelder 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 PREPARING ALKANEDIOL AND DIALKYL CARBONATE
    Publication number: 20120184767
    Abstract: The invention relates to a process for the preparation of an alkanediol and a dialkyl carbonate comprising: reacting an alkylene carbonate and an alkanol in the presence of a transesterification catalyst to obtain a reaction mixture comprising dialkyl carbonate, unconverted alkanol, alkanediol and unconverted alkylene carbonate; and then subjecting the mixture to separation in three distillation columns.
    Type: Application
    Filed: September 24, 2010
    Publication date: July 19, 2012
    Inventors: Timothy Michael Nisbet, Cornelis Leonardus Mariam Vrouwenvelder