Patents by Inventor Georges De Clippeleir

Georges De Clippeleir 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).

  • Process for preparing overbased calcium sulfonates
    Patent number: 4086170
    Abstract: Overbased calcium sulfonates and concentrated oily solutions thereof are prepared by reacting a solution of alkylbenzene sulfonic acids with an excess of a calcium oxide having a medium or low activity towards water and with carbon dioxide. Oily solutions of overbased calcium sulfonate obtained from such a calcium oxide are perfectly limpid and are easily filtrable.
    Type: Grant
    Filed: February 1, 1977
    Date of Patent: April 25, 1978
    Assignee: Labofina S. A.
    Inventors: Georges De Clippeleir, Andre Vanderlinden