Patents by Inventor Marja-Liisa KÄRKKÄINEN

Marja-Liisa KÄRKKÄINEN 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).

  • A METHOD FOR PRODUCING A CRACKING PRODUCT FRACTION COMPRISING PROPYLENE, C4 OLEFINS, OR BOTH
    Publication number: 20240018070
    Abstract: The present disclosure provides a method for producing a cracking product fraction including propylene, C4 olefins, or both. In the method, a catalytic cracking feedstock containing a hydrocarbon feed including at least 5 wt-% isoparaffins is subjected to catalytic cracking in a catalytic cracking reactor.
    Type: Application
    Filed: October 29, 2021
    Publication date: January 18, 2024
    Applicant: Neste Oyj
    Inventors: Antti OJALA, John JAMIESON, Imane HACHEMI, Marja TIITTA, Eero KORHONEN, Marja-Liisa KÄRKKÄINEN, Eveliina MÄKELÄ