Patents by Inventor Wolfgang Weiss

Wolfgang Weiss 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).

  • Patent number: 3956147
    Abstract: A process which comprises reacting at a temperature above 100.degree.C. a metal oxide, hydroxide or a mixture thereof with aqueous fluosilicic acid, said fluosilicic acid having a concentration of about 10 to 45% by weight, to form gaseous silicon tetrafluoride and the corresponding metal fluoride and recovering said metal fluoride from the reaction medium.
    Type: Grant
    Filed: January 28, 1974
    Date of Patent: May 11, 1976
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wolf Becker, Heinz Jonas, Wolfgang Weiss