Patents by Inventor Karl-Heniz Eisenlohr

Karl-Heniz Eisenlohr 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 of converting non-distillable residues of mixed-base or paraffin-base crude hydrocarbon oils
    Patent number: 4500415
    Abstract: A process is disclosed for converting a non-distillable residue of a mixed-base or paraffin-base crude hydrocarbon oil to a distillable precursor for motor fuels and/or petrochemical products which comprises donor solvent hydrovisbreaking said residue in a hydrovisbreaking zone in the presence of a circulated hydrogen donor solvent at a temperature in the range of 380.degree. to 480.degree. C.
    Type: Grant
    Filed: January 27, 1983
    Date of Patent: February 19, 1985
    Assignee: Metallgesellschaft Aktiengesellschaft
    Inventors: Thomas Simo, Karl-Heniz Eisenlohr, Hans-Hermann Puxbaumer