EP 0383395 B1 19940202 - Lubricating base oils.
Title (en)
Lubricating base oils.
Title (de)
Grundschmieröle.
Title (fr)
Huiles lubrifiantes de base.
Publication
Application
Priority
FR 8901874 A 19890214
Abstract (en)
[origin: EP0383395A1] Lubricating base oils of enhanced aromaticity and high viscos ity index are manufactured by dehydrogenation of a high viscosity index base oil over a suitable catalyst and, optionally, subsequent hydrotreating of the dehydrogenated product.
IPC 1-7
IPC 8 full level
C10M 101/02 (2006.01); C10G 45/48 (2006.01); C10G 45/50 (2006.01); C10G 45/68 (2006.01); C10G 50/02 (2006.01); C10G 65/04 (2006.01); C10G 69/02 (2006.01); C10G 71/00 (2006.01); C10N 60/02 (2006.01)
CPC (source: EP)
C10G 45/68 (2013.01); C10G 2400/10 (2013.01)
Designated contracting state (EPC)
BE DE ES FR GB IT NL
DOCDB simple family (publication)
EP 0383395 A1 19900822; EP 0383395 B1 19940202; CA 2009830 A1 19900814; DE 69006371 D1 19940317; DE 69006371 T2 19940609; ES 2049909 T3 19940501; FR 2643084 A1 19900817; JP H02247297 A 19901003
DOCDB simple family (application)
EP 90200321 A 19900209; CA 2009830 A 19900212; DE 69006371 T 19900209; ES 90200321 T 19900209; FR 8901874 A 19890214; JP 2862590 A 19900209