Patents by Inventor Wilfried Alder

Wilfried Alder 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 manufacture of spray dried detergents containing nonionic tensides
    Patent number: 4064063
    Abstract: An improvement in the process for the production of spray dried detergents containing nonionic tensides where the aqueous detergent slurry containing from 50% to 90% by weight of the total solids of the final spray dried detergent and from 0 to 5% at the most by weight of the total solids of nonionic tensides is sprayed into a conventional spray drier and simultaneously at the area of the spray cone a watersoluble powder is injected consisting of the remainder of the total solids of the final spray dried detergent having at least one nonionic tenside deposited thereon as a granulate where the ratio by weight of solids to nonionic tenside amounts to 50:1 to 5:1; whereby larger amounts of nonionic tensides can be incorporated into the final spray dried detergent without increased heating costs.
    Type: Grant
    Filed: June 25, 1975
    Date of Patent: December 20, 1977
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Wilfried Alder, Josef Huppertz, Herbert Latka, Gerhard Sperling