Patents by Inventor Mattias Kremer

Mattias Kremer 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 recovering the salt constituents from hardening-shop salt baths
    Patent number: 5769906
    Abstract: The process for environmentally acceptable and economical recovery of chloride salts from hardening-shop used salts utilizing the steps of leaching of the used salt, detoxification of the cyanide and selective crystallization of the individual chloride salts. The process is characterized in that all the chloride salts that are present in the hardening-shop used salt are recovered in pure form.
    Type: Grant
    Filed: September 27, 1996
    Date of Patent: June 23, 1998
    Assignee: Durferrit GmbH Thermotechnik
    Inventors: Mattias Kremer, Georg Wahl, Eberhard Gock, Stefan Wigger, Jorg Kahler