Patents by Inventor Johannes Zitzmann

Johannes Zitzmann 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).

  • Publication number: 20210171776
    Abstract: The invention is directed to a plate-like PVD aluminum pigment with a protective encapsulation, wherein said protective encapsulation comprises a) a continuous encapsulating silicon oxide containing coating (a), wherein said silicon oxide containing coating comprises at least 60 wt.-% silicon oxide, based on the total weight of said silicon oxide containing coating, and b) a layer (b) of metal oxide, wherein said metal oxide is selected from the group consisting of molybdenum oxide, molybdenum hydroxide, molybdenum oxide hydrate, tungsten oxide, tungsten hydroxide, tungsten oxide hydrate and mixtures thereof, and c) optionally an outer organic-chemical modification layer. The invention is further directed to method for producing the plate-like metal pigment as well as the use thereof.
    Type: Application
    Filed: December 3, 2018
    Publication date: June 10, 2021
    Inventors: Oliver Bedford, Frank Hippmann, Johannes Zitzmann, Robert Maul