Patents by Inventor Ingo W. Dreher

Ingo W. Dreher 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 deasphalting residua by reactive recycle of high boiling material
    Patent number: 6652739
    Abstract: An improved process for deasphalting a residua feedstock by use of a short vapor residence time process unit comprised of a horizontal moving bed of fluidized and/or stirred hot particles. The vapor phase product stream from said process unit is passed to a soaker drum where a high boiling fraction is separated and recycled to the process unit after undergoing reactions causing molecular weight growth. This reactive recycle using the soaker drum results in substantially improved qualities of the liquid products compared with what is achieved by once-through residua deasphalting process alternatives.
    Type: Grant
    Filed: October 29, 2002
    Date of Patent: November 25, 2003
    Assignee: ExxonMobil Research and Engineering Company
    Inventors: Mitchell Jacobson, Willibald Serrand, Norman H. Sweed, Hans J. M. Weiss, Ingo W. Dreher, Udo Zentner, Jorg H. Schmalfeld
  • Process for deasphalting residua by reactive recycle of high boiling material
    Publication number: 20030121828
    Abstract: An improved process for deasphalting a residua feedstock by use of a short vapor residence time process unit comprised of a horizontal moving bed of fluidized and/or stirred hot particles. The vapor phase product stream from said process unit is passed to a soaker drum where a high boiling fraction is separated and recycled to the process unit after undergoing reactions causing molecular weight growth. This reactive recycle using the soaker drum results in substantially improved qualities of the liquid products compared with what is achieved by once-through residua deasphalting process alternatives.
    Type: Application
    Filed: October 29, 2002
    Publication date: July 3, 2003
    Inventors: Mitchell Jacobson, Willibald Serrand, Norman H. Sweed, Hans J.M. Weiss, Ingo W. Dreher, Udo Zentner, Jorg H. Schmalfeld