Patents by Inventor Claudine Bonnel

Claudine Bonnel 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).

  • Basic aluminum chlorosulfate flocculating agents
    Patent number: 5246686
    Abstract: Novel basic aluminum chlorosulfate solutions, having a basicity ranging from 45% to 70% and wherein more than 80% of the SO.sub.4.sup.2- values are complexed, prepared, e.g., by reacting calcium carbonate with a chlorosulfuric solution of aluminum, are useful coagulating and flocculating agents for the removal of impurities from aqueous media, notably to prepare potable water therefrom; the water thus treated contains but trace amounts of residual aluminum values.
    Type: Grant
    Filed: January 8, 1992
    Date of Patent: September 21, 1993
    Assignee: Atochem
    Inventors: Jean-Pierre Cuer, Claude Aubineau, Claudine Bonnel