EP 0228651 A1 19870715 - Process for obtaining high-grade lubricants from spent oils.
Title (en)
Process for obtaining high-grade lubricants from spent oils.
Title (de)
Verfahren zur Gewinnung hochwertiger Schmierstoffe aus Altölen.
Title (fr)
Procédé d'obtention de lubrifiants de haute qualité à partir d'huiles usées.
Publication
Application
Priority
DE 3600024 A 19860102
Abstract (en)
Spent oils or mixtures containing spent oil are treated by catalytic hydrogenation at elevated pressure and elevated temperature with a 20 - 70 % reduction of the fraction boiling at 350 DEG C.
Abstract (de)
Die Erfindung betrifft ein Verfahren zur katalytischen hydrierenden Behandlung von Altölen oder Altöl enthaltenden Gemischen bei erhöhtem Druck und erhöhter Temperatur unter Verringerung des 350°C siedenden Anteils um 20 - 70%.
IPC 1-7
IPC 8 full level
C10M 175/00 (2006.01)
CPC (source: EP)
C10M 175/00 (2013.01)
Citation (search report)
[A] US 3980551 A 19760914 - WOLK RONALD H
Designated contracting state (EPC)
AT BE CH DE ES FR GB GR IT LI LU NL SE
DOCDB simple family (publication)
EP 0228651 A1 19870715; EP 0228651 B1 19910424; AT E62928 T1 19910515; DE 3600024 C1 19870619; DE 3678922 D1 19910529; ES 2000018 A4 19870901; ES 2000018 B3 19920101; GR 3001851 T3 19921123; GR 880300005 T1 19890622
DOCDB simple family (application)
EP 86117551 A 19861217; AT 86117551 T 19861217; DE 3600024 A 19860102; DE 3678922 T 19861217; ES 86117551 T 19861217; GR 880300005 T 19890622; GR 910400420 T 19910425