Patents by Inventor Andre Vanderlinden

Andre Vanderlinden 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 removing basic nitrogen compounds from gas oils
    Patent number: 4743360
    Abstract: A process for removing the basic nitrogen compounds from gas oils comprises treating the gas oils with a homogeneous solvent mixture comprising a diluted aqueous acid solution and an alcohol having from 1 to 6 carbon atoms, the volume ratio of alcohol to diluted aqueous acid solution being between 90/10 and 10/90, the volume ratio of solvent mixture to gas oils being between 0.5 and 5.
    Type: Grant
    Filed: October 23, 1986
    Date of Patent: May 10, 1988
    Assignee: Labofina, S.A.
    Inventors: Michel Melin, Jacques F. Grootjans, Andre Vanderlinden
  • 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