Patents by Inventor Kurt Walz

Kurt Walz 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: 4283299
    Abstract: Particulate alkaline detergent compositions for fabric washing, which include synthetic detergent compounds and alkali metal tripolyphosphate and alkali metal orthophosphate detergency builders, are made by spray-drying a detergent base powder containing some or all of the detergent compounds and some or all of the orthophosphate and admixing at least 2.5% by weight of the tripolyphosphate in particulate form with the spray-dried base powder.
    Type: Grant
    Filed: October 1, 1979
    Date of Patent: August 11, 1981
    Assignee: Lever Brothers Company
    Inventors: Gert Becker, Johann U. Oesch, Horst Poeselt, Alan D. Tomlinson, Kurt Walz