Patents by Inventor Hans Christner

Hans Christner 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).

  • Patent number: 4242223
    Abstract: There is disclosed a process for receiving, storing and handling aluminum hydroxide wet hydrate, wherein the aluminum hydroxide wet hydrate is unloaded, optionally in batches, by means of a dumping means, e.g., a dump truck into a hopper which is equipped with a conveying means, e.g., a plate conveyor, the aluminum hydroxide wet hydrate supplied by means of a transporting apparatus, e.g., a double belt vertical conveyor, to a weighing means, e.g., a conveyor-type weigher and weighed, subsequently supplied to an aluminum hydroxide wet hydrate suspension tank, mixing the aluminum hydroxide wet hydrate in the tank with the amount of aqueous sodium hydroxide needed to produce a suspension of the aluminum hydroxide wet hydrate and producing a pumpable and meterable suspension of the aluminum hydroxide wet hydrate by heating to a temperature between 20.degree. and 100.degree. C. with the aid of a heating element and a stirrer.
    Type: Grant
    Filed: July 11, 1979
    Date of Patent: December 30, 1980
    Assignee: Deutsche Gold- und Silber-Scheideanstalt vormals Roessler
    Inventors: Hans Christner, Wolfgang Roebke, Hermann Ramelow, Ewald Dittrich