Patents by Inventor Benjamin Dupnik

Benjamin Dupnik 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).

  • MASONRY COMPOSITIONS COMPRISING CHEMICALLY TREATED CARBON PIGMENTS
    Publication number: 20210317038
    Abstract: Pigmented masonry compositions are provided that include chemically treated carbon black pigments having attached an organic group including an ionic or an ionizable group, the ionic or ionizable group being present at a level from 1.0 to 3.0 ?mol/m2. The compositions exhibit excellent color consistency and jetness and provide consistent color after long term exposure to high levels of moisture.
    Type: Application
    Filed: October 31, 2019
    Publication date: October 14, 2021
    Inventors: Miguel A. Herrera Fernandez, Qingling Zhang, Lang H. Nguyen, Lynne K. Larochelle Richard, Benjamin Dupnik, John Mathew, Koenraad C.J. Burger, Geoffrey D. Moeser