Patents by Inventor Werner Boxkes

Werner Boxkes 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).

  • Dehydrating 2,6-dimethylmorpholine
    Patent number: 4571284
    Abstract: A separation of mixtures of water and 2,6-dimethylmorpholine is carried out by rectifying the mixtures at a pressure at the head of the column between 6 and 150 mbars. The separated 2,6-dimethylmorpholine has a maximum water content of 500 ppm by weight and it is possible to achieve for a corresponding design of the rectification water contents of less than 1 ppm by weight of dimethylmorpholine.
    Type: Grant
    Filed: November 20, 1984
    Date of Patent: February 18, 1986
    Assignee: Chemische Werke Huls Aktiengesellschaft
    Inventors: Wolfgang H. E. Muller, Werner Boxkes, Heinz Scholten