Patents by Inventor Melita Krause

Melita Krause 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).

  • Iron phosphating using substituted monocarboxylic acids
    Patent number: 5919318
    Abstract: Described are a concentrate, a working solution and a process for iron phosphating of metals, in which the solution contains nitrobenzene sulfonic acid and substituted short-chain monocarboxylic acids of the amino acid and/or hydroxycarboxylic acid type as the accelerators.
    Type: Grant
    Filed: September 9, 1997
    Date of Patent: July 6, 1999
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Karl-Dieter Brands, deceased, Melita Krause, Bernd Mayer, Thomas Molz, Annette Willer