Patents by Inventor Wolfdietrich Leifeld

Wolfdietrich Leifeld 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).

  • Method of separating fission molybdenum
    Patent number: 5508010
    Abstract: In a method of separating fission molybdenum from other fission products, wherein an aqueous solution of the fission molybdenum and the other fission products is supplied to a packet bed of manganese dioxide whereby the fission molybdenum and part of the other fission products are retained in the bed whereas the rest of the fission products is carried away with the aqueous solution and the fission molybdenum is recovered from the fission molybdenum-charged packet bed, the packet bed consists of hydrated manganese dioxide of a particle size of 0.2-0.5 mm from which any finer particles have been removed by a liquid sedimentation procedure.
    Type: Grant
    Filed: March 6, 1995
    Date of Patent: April 16, 1996
    Assignee: Forschungszenlrum Karlsruhe GmbH
    Inventors: Abdel H. A. Sameh, Wolfdietrich Leifeld