Patents by Inventor Bernd Phillipp

Bernd Phillipp 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 of preparing cesium salts from cesium aluminum alum
    Patent number: 5605669
    Abstract: This invention relates to the preparation of cesium salts from cesium-aluminum-alum in a process in which the cesium-aluminum-alum is reacted in a single vessel in the presence of water with calcium hydroxide in an amount which is equimolar to the amount of aluminum and with a readily water-soluble calcium salt in an amount which is equimolar to the amount of cesium and the precipitated aluminum hydroxide and the precipitated calcium sulfate are separated by filtration or centrifugation.
    Type: Grant
    Filed: November 24, 1995
    Date of Patent: February 25, 1997
    Assignee: Metallgesellschaft Aktiengesellschaft
    Inventors: Hartmut Hofmann, Klaus K obele, Horst Prinz, Bernd Phillipp, Gerd Harms, Alexander Schiedt, Ulrike Hecktor