Patents by Inventor Gerhardus Santing

Gerhardus Santing 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).

  • Production of chlorine and sodium sulphate
    Patent number: 5021231
    Abstract: A process for the preparation of chlorine and sodium sulphate which contains the steps of reacting sulphuric acid with sodium sulphate and ferric oxide or alumina, crystallizing and drying the resulting double salt trisodium-iron(III) sulphate or trisodium-aluminum sulphate and roasting the obtained trisodium-iron(III) sulphate or trisodium-aluminum sulphate with sodium chloride under the influence of oxygen thereby forming sodium sulphate, chlorine and ferric oxide or alumina.
    Type: Grant
    Filed: May 3, 1990
    Date of Patent: June 4, 1991
    Assignee: Shell Oil Company
    Inventors: Just J. C. Jansz, Gerhardus Santing
  • Process for the manufacture of aluminum
    Patent number: 4049425
    Abstract: An improved process for the manufacture of aluminum by reducing aluminum/oxygen compounds with carbon at high temperatures is described.
    Type: Grant
    Filed: March 15, 1976
    Date of Patent: September 20, 1977
    Assignee: Shell Oil Company
    Inventors: Servaas Middelhoek, Gerhardus Santing, Nicolaas Dost