Patents by Inventor Gotthard Scizi

Gotthard Scizi 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).

  • Continuous manufacture of sodium dithionite solutions by cathodic reduction
    Patent number: 4144146
    Abstract: Concentrated dithionite solutions are produced by cathodic reduction of an aqueous solution, containing sulfite and/or bisulfite, which is circulated by pumping. The cathode and anode chambers are separated from one another by a permselective cation exchanger membrane. The catholyte must be circulated at least 10 times per hour and the selective catholyte volume outside the cell, defined asa = V.sub.total -V.sub.C /V.sub.total,Should be less than 0.9.
    Type: Grant
    Filed: October 5, 1977
    Date of Patent: March 13, 1979
    Assignee: BASF Aktiengesellschaft
    Inventors: Bernd Leutner, Gotthard Scizi, Siegmar Lukas, Siegfried Schreiner, Erfried Voelkl