Patents by Inventor Martin Wilhelm Wassermann

Martin Wilhelm Wassermann 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).

  • Method for making water dispersible aluminum hydroxide
    Patent number: 4010247
    Abstract: Water dispersible aluminum hydroxide is prepared by treating an acid dispersible aluminum hydroxide with 1 to 9 weight % of a gaseous acid.
    Type: Grant
    Filed: February 10, 1975
    Date of Patent: March 1, 1977
    Assignee: CONDEA Petrochemie-Gesellschaft m.b.H.
    Inventors: Martin Wilhelm Wassermann, Arnold Wilhelm Meyer