Patents by Inventor Jeannot Lucien Hawecker

Jeannot Lucien Hawecker 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).

  • Chelating resins
    Patent number: 5804606
    Abstract: The present invention is concerned with improved chelating resins. More particularly, the present invention is concerned with macroporous, aminoalkylphosphonic or iminodiacetic acid chelating resins having improved stability and capacity in the removal of cations (e.g. calcium, magnesium, barium and strontium) from brines and in the removal of metals (e.g. nickel, copper and zinc) from waste streams.
    Type: Grant
    Filed: April 21, 1997
    Date of Patent: September 8, 1998
    Assignee: Rohm & Haas Company
    Inventors: Joanna Surowiec, Jaques Franc, Jeannot Lucien Hawecker