Patents by Inventor Hans Loges

Hans Loges 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 producing tin (II) sulfate
    Patent number: 4118293
    Abstract: An electrolytic method for making tin (II) sulfate wherein tin is anodically dissolved in a sulfuric acid solution and wherein the anode space is separated from the cathode space by a diaphragm, the diaphragm being composed of an inorganic, ceramic material which has been densified by sintering at above 1,000.degree. C.As a result of this process, tin (II) sulfate solutions can be obtained which have a very low content of tin (IV) compounds and from which a highly pure bivalent tin sulfate can be recovered.
    Type: Grant
    Filed: January 14, 1977
    Date of Patent: October 3, 1978
    Assignee: Th. Goldschmidt AG
    Inventors: Erich Ruf, Hans Loges