EP 2028256 A2 20090225 - Lubricating oils having improved friction stability
Title (en)
Lubricating oils having improved friction stability
Title (de)
Schmieröle mit verbesserter Reibungsstabilität
Title (fr)
Huiles de lubrification disposant d'une stabilité de friction améliorée
Publication
Application
Priority
US 77096607 A 20070629
Abstract (en)
Lubricating oil compositions having excellent friction stability comprise a base lubricating oil, an oil soluble source of phosphorus and a defined polyalkylene polyamine-based friction modifier that has been reacted with an acylating agent to convert at least one secondary amine group into an amide.
IPC 8 full level
C10M 141/10 (2006.01); C10M 169/04 (2006.01); C10N 30/06 (2006.01); C10N 40/04 (2006.01)
CPC (source: EP KR US)
C10M 137/04 (2013.01 - KR); C10M 141/10 (2013.01 - EP US); C10M 149/22 (2013.01 - KR); C10M 169/04 (2013.01 - KR); C10M 169/048 (2013.01 - EP US); C10M 2203/1006 (2013.01 - EP US); C10M 2207/026 (2013.01 - EP US); C10M 2207/125 (2013.01 - EP US); C10M 2209/084 (2013.01 - EP US); C10M 2215/064 (2013.01 - EP US); C10M 2215/08 (2013.01 - EP US); C10M 2215/086 (2013.01 - EP US); C10M 2215/224 (2013.01 - EP US); C10M 2215/28 (2013.01 - EP US); C10M 2217/046 (2013.01 - EP US); C10M 2219/046 (2013.01 - EP US); C10M 2219/06 (2013.01 - EP US); C10M 2219/102 (2013.01 - EP US); C10M 2219/106 (2013.01 - EP US); C10M 2223/00 (2013.01 - EP US); C10M 2223/049 (2013.01 - EP US); C10N 2030/06 (2013.01 - EP KR US); C10N 2030/08 (2013.01 - EP US); C10N 2040/04 (2013.01 - EP US); C10N 2040/042 (2020.05 - EP US); C10N 2040/045 (2020.05 - EP US); C10N 2060/00 (2013.01 - EP US)
Citation (applicant)
- US 5750476 A 19980512 - NIBERT ROGER KEITH [US], et al
- US 5840662 A 19981124 - NIBERT ROGER KEITH [US], et al
- US 3382172 A 19680507 - WARREN LOWE
- US 4857214 A 19890815 - PAPAY ANDREW G [US], et al
- US 5314633 A 19940524 - RYER JACK [US], et al
- US 4105571 A 19780808 - SHAUB HAROLD, et al
- US 3254025 A 19660531 - LE SUER WILLIAM M
- US 3502677 A 19700324 - SNER WILLIAM M LE
- C. V. SMALLHEER; R. KENNEDY SMITH, LUBRICANT ADDITIVES, 1967, pages 1 - 11
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 MT NL NO PL PT RO SE SI SK TR
Designated extension state (EPC)
AL BA MK RS
DOCDB simple family (publication)
US 2009005277 A1 20090101; CA 2635151 A1 20081229; CA 2635151 C 20150811; CN 101343591 A 20090114; CN 101343591 B 20130327; EP 2028256 A2 20090225; EP 2028256 A3 20120620; EP 2028256 B1 20190828; JP 2009013408 A 20090122; JP 5541850 B2 20140709; KR 101545743 B1 20150819; KR 20090004532 A 20090112; SG 148979 A1 20090129; SG 182148 A1 20120730
DOCDB simple family (application)
US 77096607 A 20070629; CA 2635151 A 20080617; CN 200810131941 A 20080627; EP 08104153 A 20080529; JP 2008169224 A 20080627; KR 20080058866 A 20080623; SG 2008049041 A 20080627; SG 2012040192 A 20080627