Patents by Inventor Horst Immenroth

Horst Immenroth 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 the preparation of high purity antimony
    Patent number: 4115220
    Abstract: A method for production of high purity antimony by producing antimony(III) oxide from hydrolysis of antimony chloride, dissolving the antimony(III) oxide in a solution containing d-sorbitol and a base, and electrolyzing the solution using insoluble electrodes.
    Type: Grant
    Filed: October 25, 1977
    Date of Patent: September 19, 1978
    Assignee: Preussag Aktiengesellschaft Metall
    Inventors: Gunter Bartels, Horst Immenroth, Gunter Heyer