Patents by Inventor Hans-Jurgen Kluppel

Hans-Jurgen Kluppel 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).

  • Polishing composition and dentifrice
    Patent number: 4632826
    Abstract: A composition of matter useful as a polishing agent combination in a dentifrice, such as a toothpaste. A silica polishing agent is combined with a weakly calcined alumina polishing agent. Preferably, the weakly calcined alumina contains about 50%-90% by weight of alpha aluminum oxide and about 10%-50% by weight of gamma aluminum oxide. Preferably, the silica polishing agent is selected from the group consisting of precipitated silica and silica gel.
    Type: Grant
    Filed: July 3, 1985
    Date of Patent: December 30, 1986
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Walter Ploger, Hans-Jurgen Kluppel, Franz Forg