Patents by Inventor Hans Staaden

Hans Staaden 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).

  • Radio-photoluminescence dosimeter glass of low energy dependence and method of manufacturing same
    Patent number: 3930873
    Abstract: A radio-photoluminescence dosimeter glass of low energy dependence, high sensitivity, and good resistance to weathering is composed of an activating silver compound such as silver metaphosphate and at least one metal fluoride, preferably of metals of groups I, II, III, and/or IV of the Periodic System. Such a glass may contain at least one further metal oxide, preferably an oxide of metals of groups I, II, and/or III of the periodic System, phosphorus pentoxide, and, if desired, nitrogen pentoxide.
    Type: Grant
    Filed: July 23, 1973
    Date of Patent: January 6, 1976
    Assignee: Ernst Leitz G.m.b.H.
    Inventors: Hans-Herbert Kaes, Hans Staaden