Patents by Inventor Nikolaus Fenderl

Nikolaus Fenderl 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: 4255276
    Abstract: A silicatic complexing agent for alkaline earth ions comprising an acid activated mineral of the montmorillonite-beidellite series, said mineral charged with an alkali metal.
    Type: Grant
    Filed: June 14, 1978
    Date of Patent: March 10, 1981
    Assignee: Sud-Chemie Aktiengesellschaft
    Inventors: Rudolf Fahn, Nikolaus Fenderl