EP 2288681 A2 20110302 - LUBRICANT COMPOSITION WITH IMPROVED VARNISH DEPOSIT RESISTANCE
Title (en)
LUBRICANT COMPOSITION WITH IMPROVED VARNISH DEPOSIT RESISTANCE
Title (de)
SCHMIERMITTELZUSAMMENSETZUNG MIT ERHÖHTER FIRNISABLAGERUNGSRESISTENZ
Title (fr)
COMPOSITION DE LUBRIFIANT AVEC UNE RÉSISTANCE AU DÉPÔT DE VERNIS AMÉLIORÉE
Publication
Application
Priority
- US 2009001983 W 20090331
- US 7243208 P 20080331
Abstract (en)
[origin: US2009247436A1] In one embodiment, a lubricating oil with favorable deposit control is disclosed. The lubricating oil comprises, a major amount of base stock selected from the group consisting of Group II, Group III, GTL and any combination thereof, a mannich based dispersant comprising at least 0.1 and less than 2.0 weight percent of the lubricating oil, a demulsifier comprising a polyol ester and a poly oxyakylene, the demulsifiers comprising at least 0.002 to less than 2.0 weight percent of the lubricating oil, wherein the lubricating oil has a deposit control value less than 60 using 504 hour 120° C. Dry TOST sludge test. In a second embodiment a method of deposit control is disclosed. In a third embodiment a method of formulating an oil to improve deposit control and emulsion properties is disclosed.
IPC 8 full level
C10M 169/04 (2006.01); C10N 30/04 (2006.01); C10N 30/10 (2006.01); C10N 40/12 (2006.01)
CPC (source: EP US)
C10M 169/04 (2013.01 - EP US); C10M 2203/04 (2013.01 - EP US); C10M 2203/1006 (2013.01 - EP US); C10M 2205/173 (2013.01 - EP US); C10M 2207/026 (2013.01 - EP US); C10M 2207/283 (2013.01 - EP US); C10M 2209/104 (2013.01 - EP US); C10M 2209/108 (2013.01 - EP US); C10M 2215/064 (2013.01 - EP US); C10M 2215/065 (2013.01 - EP US); C10M 2215/223 (2013.01 - EP US); C10M 2217/043 (2013.01 - EP US); C10M 2219/066 (2013.01 - EP US); C10M 2223/047 (2013.01 - EP US); C10N 2030/04 (2013.01 - EP US); C10N 2030/10 (2013.01 - EP US); C10N 2030/42 (2020.05 - EP US); C10N 2030/45 (2020.05 - EP US); C10N 2040/12 (2013.01 - EP US); C10N 2040/135 (2020.05 - EP US); C10N 2060/14 (2013.01 - EP US)
Citation (search report)
See references of WO 2009145824A2
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK TR
Designated extension state (EPC)
AL BA RS
DOCDB simple family (publication)
US 2009247436 A1 20091001; CN 101983230 A 20110302; CN 101983230 B 20140430; EP 2288681 A2 20110302; JP 2011516637 A 20110526; SG 188804 A1 20130430; US 2009253597 A1 20091008; WO 2009145824 A2 20091203; WO 2009145824 A3 20100225
DOCDB simple family (application)
US 38381309 A 20090327; CN 200980112137 A 20090331; EP 09755187 A 20090331; JP 2011501849 A 20090331; SG 2013013677 A 20090331; US 2009001983 W 20090331; US 38381109 A 20090327