Patents by Inventor Dieter Deuster

Dieter Deuster 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).

  • Pneumatic stowing of construction material comprising calcium alpha- and beta-sulphate hemihydrates
    Patent number: 4445937
    Abstract: An improved method for pneumatic stowing of calcium alpha-sulphate hemihydrate, calcium beta-sulphate hemihydrate or mixtures thereof using natural anhydrite, limestone or mixtures thereof is disclosed. In addition, construction reinforcement compositions comprising said hemihydrates and natural anhydrite, limestone or mixtures thereof are taught.
    Type: Grant
    Filed: September 18, 1981
    Date of Patent: May 1, 1984
    Assignees: Ruhrkohle AG, Steag AG
    Inventors: Friedr. Bassier, Fritz Adrian, Dieter Deuster