Patents by Inventor Steven E. DEN Broeder

Steven E. DEN Broeder 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 production of normally gaseous olefins
    Patent number: 4065379
    Abstract: The invention relates to an integrated process for the production of normally gaseous olefins, starting from a petroleum residue.
    Type: Grant
    Filed: January 14, 1976
    Date of Patent: December 27, 1977
    Assignee: Shell Oil Company
    Inventors: Homi D. Soonawala, Steven E. DEN Broeder