Patents by Inventor Klaus P. Lustig

Klaus P. Lustig 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).

  • Building material additive
    Patent number: 4230502
    Abstract: A building material additive comprising an aqueous dispersion of a hydrophobic constituent which is completely wetted with a surfactant, and a water-soluble polymer is disclosed. The dispersion may also contain air void formers, retardants, plasticizers, accelerators, or the like, or mixtures thereof.
    Type: Grant
    Filed: January 9, 1979
    Date of Patent: October 28, 1980
    Assignee: Akzona Incorporated
    Inventors: Klaus P. Lustig, Louris Kaper