Patents by Inventor Geerd-J. Meyer

Geerd-J. Meyer 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 for the preparation of radon-211
    Patent number: 4364898
    Abstract: A method for the production of .sup.211 Rn comprising bombarding .sup.209 Bi with .sup.7 Li particles utilizing the nuclear reaction.sup.209 Bi(.sup.7 Li,5n).sup.211 Rn.The method provides a simple spectrum from which .sup.211 Rn can be easily isolated in a highly pure condition.
    Type: Grant
    Filed: October 10, 1980
    Date of Patent: December 21, 1982
    Assignee: The United States of America as represented by the United States Department of Energy
    Inventors: Geerd-J. Meyer, Richard M. Lambrecht