Patents by Inventor Knut Eikemeyer

Knut Eikemeyer 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).

  • Ultrafine cobalt metal powder, process for the production thereof and use of the cobalt metal powder and of cobalt carbonate
    Patent number: 6346137
    Abstract: Ultrafine cobalt metal powder consisting of fine crystallites, wherein the crystallites, wherein the crystallitex exhibit a rice-grain shaped to spherical habit and more than 90% of the crystallites have a diameter in the range of from 0.5 to 2 &mgr;m, a process for the production of the cobalt metal powder via an intermediate stage of cobalt carbonate production, and processes and products re certain uses of the cobalt metal powder and the cobalt carbonate and an intermediate oxide so produced.
    Type: Grant
    Filed: August 28, 1998
    Date of Patent: February 12, 2002
    Assignee: H. C. Starck GmbH & Co. KG
    Inventors: Matthias Höhne, Bernd Mende, Knut Eikemeyer