Patents by Inventor Esther Hillegarda Carola Van De Voort

Esther Hillegarda Carola Van De Voort 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).

  • Hydrocracking catalyst composition
    Patent number: 7648939
    Abstract: The invention provides an unsupported catalyst composition which comprises one or more Group VIb metals, one or more Group VIII metals, one or more zeolites, and, optionally, a refractory oxide material. A (co)precipitation preparation process is described and also use of the composition in hydrocracking.
    Type: Grant
    Filed: September 8, 2005
    Date of Patent: January 19, 2010
    Assignee: Shell Oil Company
    Inventors: László Domokos, Hermanus Jongkind, Marcello Stefano Rigutto, Willem Hartman Jurriaan Stork, Beatrijs Anna Stork-Blaisse, legal representative, Esther Hillegarda Carola Van De Voort