Patents by Inventor Hermann B. Trub

Hermann B. Trub 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).

  • Process for pelletizing and neutralizing solid mixtures of metal chlorides
    Patent number: 4229399
    Abstract: A process is provided wherein solid mixtures of metal chlorides of, for example, ferric chloride, ferrous chloride, vanadium chloride and chromium chloride are (1) mixed with an alkaline material such as, for example, calcium oxide, calcium hydroxide and calcium carbonate, followed (2) by adding water to the resulting mixture to granulate said mixture whereby the metal chlorides are rendered substantially insoluble in water.
    Type: Grant
    Filed: August 10, 1978
    Date of Patent: October 21, 1980
    Assignee: NL Industries, Inc.
    Inventors: Donald G. Cole, Achim Hartmann, Achim M. Kulling, Hermann B. Trub