EP 0422822 B1 19930811 - LUBRICATING OIL COMPOSITIONS
Title (en)
LUBRICATING OIL COMPOSITIONS
Publication
Application
Priority
JP 26522289 A 19891013
Abstract (en)
[origin: EP0422822A1] A lubricating oil composition having excellent defoamability, which includes as an essential component a perfluoro ether in an amount by weight of 1-1000 ppm based on the total weight of the composition.
IPC 1-7
IPC 8 full level
C10M 147/04 (2006.01); C10M 171/00 (2006.01); C10N 30/18 (2006.01); C10N 40/02 (2006.01); C10N 40/04 (2006.01)
CPC (source: EP)
C10M 147/04 (2013.01); C10M 171/004 (2013.01); C10M 2203/10 (2013.01); C10M 2213/00 (2013.01); C10M 2213/04 (2013.01); C10M 2213/06 (2013.01); C10N 2030/08 (2013.01); C10N 2040/00 (2013.01); C10N 2040/02 (2013.01); C10N 2040/08 (2013.01); C10N 2040/10 (2013.01); C10N 2040/12 (2013.01); C10N 2040/13 (2013.01); C10N 2040/135 (2020.05); C10N 2040/20 (2013.01); C10N 2040/22 (2013.01); C10N 2040/24 (2013.01); C10N 2040/241 (2020.05); C10N 2040/242 (2020.05); C10N 2040/243 (2020.05); C10N 2040/244 (2020.05); C10N 2040/245 (2020.05); C10N 2040/246 (2020.05); C10N 2040/247 (2020.05); C10N 2040/25 (2013.01); C10N 2040/251 (2020.05); C10N 2040/252 (2020.05); C10N 2040/253 (2020.05); C10N 2040/255 (2020.05); C10N 2040/28 (2013.01); C10N 2040/30 (2013.01); C10N 2040/32 (2013.01); C10N 2040/34 (2013.01); C10N 2040/36 (2013.01); C10N 2040/38 (2020.05); C10N 2040/40 (2020.05); C10N 2040/42 (2020.05); C10N 2040/44 (2020.05); C10N 2040/50 (2020.05)
Designated contracting state (EPC)
DE FR GB
DOCDB simple family (publication)
EP 0422822 A1 19910417; EP 0422822 B1 19930811; DE 69002724 D1 19930916; DE 69002724 T2 19940407; JP H03126790 A 19910529
DOCDB simple family (application)
EP 90310807 A 19901003; DE 69002724 T 19901003; JP 26522289 A 19891013