Patents by Inventor Ferdinand Beck

Ferdinand Beck 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 obtaining guanidine hydrohalides from by-product mixtures obtained in the production of mercaptoalkylsilanes
    Patent number: 4914235
    Abstract: The present invention provides a process for obtaining guanidine hydrohalides from the by-product mixture obtained in the production of mercaptoalkylsilanes and consisting essentially of guanidine hydrohalide, ammonium halide, thiourea and silane compounds, wherein the by-product mixture is extracted with an aliphatic ketone containing up to 7 carbon atoms and the extract is separated from the residue containing the guanidine hydrohalide.
    Type: Grant
    Filed: March 7, 1989
    Date of Patent: April 3, 1990
    Assignee: SKW Trostberg Aktiengesellschaft
    Inventors: Clemens Grambow, Ferdinand Beck