Patents by Inventor Ralph Schuetze

Ralph Schuetze 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).

  • Preparation containing gypsum from flue gas desulphurisation, method for using the same and use thereof
    Patent number: 7071254
    Abstract: The present invention relates to a composition, and a method of preparing and using the same. The composition contains at least one water-soluble or water-dispersible polymer or combinations thereof, and one or more filler particles that includes WDP gypsum particles. The WDP gypsum particles are obtained from waste gas-desulphurization plants and have a particles size distribution mean diameter ranging from 13 ?m to 500 ?m. The composition is particularly useful as a surface coating, a surfacing compound, a sealing compound, an adhesive or a molding composition.
    Type: Grant
    Filed: November 10, 1999
    Date of Patent: July 4, 2006
    Assignee: Henkel Komanditgesellschaft Auf Aktien (Hendel KGAA)
    Inventors: Johann Klein, Gaby Schilling, Sabine Sipmann, Ralph Schuetze, Friedheim Koepnick, Helmut Loth, Klaus Helpenstein, Wolfgang Klauck, Claudia Mai