Patents by Inventor Ernst Vaeth

Ernst Vaeth 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 the production of zeolitic alkali metal aluminosilicates
    Patent number: 4055622
    Abstract: A process for the production of zeolitic alkali metal aluminosilicates by the reaction of aqueous alkali metal silicate solutions with an aqueous alkali metal aluminate solution containing sulfate anions at temperatures of 0.degree. C to 110.degree. C under a shearing type of agitation and conversion of the amorphous precipitate to crystalline forms by maintaining an aqueous suspension of the amorphous form at temperatures of 40.degree. C or over for a time sufficient to effect crystallization, whereby formation of substantial amounts of inactive nosean are avoided.
    Type: Grant
    Filed: July 16, 1976
    Date of Patent: October 25, 1977
    Assignees: Henkel Kommanditgesellschaft auf Aktien, Deutsche Gold- und Silber-Scheideanstalt vormals Roessler
    Inventors: Peter Christophliemk, Wolfgang Friedemann, Ernst Vaeth, Karl-Heinz Worms