Patents by Inventor Arja Hakuli-Pieterse

Arja Hakuli-Pieterse 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).

  • Catalyst for the production of light olefins
    Publication number: 20070060780
    Abstract: The invention comprises a catalyst composition comprising a pentasil type of zeolite, one or more solid acidic promoters, an additional material selected from the group consisting of an anionic clay, smectite clay, and thermally or chemically modified clay, and optionally a filler and/or binder, methods for making the catalyst composition and a process for using the catalyst in the manufacture of olefins.
    Type: Application
    Filed: June 21, 2006
    Publication date: March 15, 2007
    Inventors: Dennis Stamires, Paul O'Connor, Arja Hakuli-Pieterse, Rajeev Rao, Erik Laheij
  • Catalyst for the production of light olefins
    Publication number: 20040110629
    Abstract: The invention comprises a catalyst composition comprising a pentasil type of zeolite, one or more solid acidic promoters and optionally a filler and/or binder, methods for making the catalyst composition and a process for using the catalyst in the manufacture of olefins.
    Type: Application
    Filed: August 28, 2003
    Publication date: June 10, 2004
    Inventors: Dennis Stamires, Paul O'Connor, Arja Hakuli-Pieterse, Rajeev S. Rao, Erik Jeroen Laheij