Patents by Inventor Dorothee Kunke

Dorothee Kunke 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 freeze drying coffee extract
    Patent number: 6428833
    Abstract: A process for freeze drying coffee extract in the form of pellets combines short freeing times with high drying pressures, saving time and energy in comparison with conventional processes. The thus obtained product has an excellent flavour and its surface reminds one of freshly roasted coffee beans.
    Type: Grant
    Filed: September 28, 1998
    Date of Patent: August 6, 2002
    Assignee: Dr. Otto Suwelack Nachf.GmbH & Co.
    Inventors: Wolfgang Suwelack, Dorothee Kunke