Patents by Inventor Marc O. J. Geelen

Marc O. J. Geelen 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 the selective dimerization of isobutene
    Patent number: 6914166
    Abstract: The present invention relates to processes for making a reaction product comprising trimethylpentene(s) which comprises contacting a C4 olefinic feedstock containing isobutene and n-butene(s) with a catalyst comprising zeolite beta under conditions allowing selective dimerization of isobutene to trimethylpentene(s). It also relates to the products obtained by these processes.
    Type: Grant
    Filed: December 20, 2000
    Date of Patent: July 5, 2005
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Jihad Mohammed Dakka, Marc O. J. Geelen, Georges Marie Mathys, Paul William Allen
  • Process for the selective dimerisation of isobutene
    Publication number: 20030100811
    Abstract: The present invention relates to processes for making a reaction product comprising trimethylpentene(s) which comprises contacting a C4 olefinic feedstock containing isobutene and n-butene(s) with a catalyst comprising zeolite beta under conditions allowing selective dimerization of isobutene to trimethylpentene(s). It also relates to the products obtained by these processes.
    Type: Application
    Filed: August 13, 2002
    Publication date: May 29, 2003
    Inventors: Jihad Mohammed Dakka, Marc O.J. Geelen, Georges Marie Mathys, Paul William Allen