Patents by Inventor Janni Østergaard

Janni Østergaard 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).

  • Patent number: 10011548
    Abstract: The invention provides a process for the production of purified dimethylether (DME). Methanol is dehydrated to provide a first DME-containing product. The first DME-containing product is purified in a two-stage process. The invention also provides an apparatus arranged to carry out said process.
    Type: Grant
    Filed: August 14, 2013
    Date of Patent: July 3, 2018
    Assignee: Haldor Topsoe A/S
    Inventors: Per Juul Dahl, Janni Østergaard
  • Publication number: 20150239813
    Abstract: The invention provides a process for the production of purified dimethylether (DME). Methanol is dehydrated to provide a first DME-containing product. The first DME-containing product is purified in a two-stage process. The invention also provides an apparatus arranged to carry out said process.
    Type: Application
    Filed: August 14, 2013
    Publication date: August 27, 2015
    Inventors: Per Juul Dahl, Janni Østergaard