Patents by Inventor Andre Osselet

Andre Osselet 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).

  • Alkylates and sulphonic acids and sulphonates produced therefrom
    Patent number: 4235810
    Abstract: Alkyl aromatics are prepared by alkylation with a mixture of straight and branched chain olefines. The alkylates may be sulphonated to yield low viscosity sulphonate emulsifiers and are raw materials for producing low foaming overbased sulphonate lubricant additives.
    Type: Grant
    Filed: August 3, 1978
    Date of Patent: November 25, 1980
    Assignee: Exxon Research & Engineering Co.
    Inventors: Andre Osselet, Robert Tirtiaux