Patents by Inventor Jurgen Fenner

Jurgen Fenner 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 for the preparation of basic zirconium carbonate of high purity
    Patent number: 4283377
    Abstract: A method for preparing a high purity basic zirconium carbonate comprising(a) adding alkali or ammonium carbonate or alkali or ammonium hydrogen carbonate to an aqueous solution of zirconium sulfate to precipitate basic zirconium sulfate;(b) dissolving the basic zirconium sulfate in HCl solution and heating the solution to reprecipitate the basic zirconium sulfate;(c) suspending the precipitated basic zirconium sulfate in water and adding alkali or ammonium carbonate or alkali or ammonium hydrogen carbonate to the suspension to produce basic zirconium carbonate.The process provides a simple and economical means of producing a very high purity basic zirconium carbonate.
    Type: Grant
    Filed: June 26, 1980
    Date of Patent: August 11, 1981
    Assignee: Th. Goldschmidt AG
    Inventor: Jurgen Fenner
  • Electrochemical energy cell with solid electrolyte
    Patent number: 4060672
    Abstract: Electrochemical cells utilize crystalline chalcogen halides as solid eleclytes. Processes for the manufacture of the chalcogen halides and of the solid electrolyte cells are disclosed.
    Type: Grant
    Filed: April 29, 1976
    Date of Patent: November 29, 1977
    Assignee: Max-Planck-Gesellschaft zur Forderung der Wissenschaften e.V.
    Inventors: Ulrich Von Alpen, Jurgen Fenner, Joachim Marcoll, Albrecht Rabenau