EP 2077315 A1 20090708 - Lubricating oil compositions containing a tetraalkyl-napthalene-1,8 diamine antioxidant and a diarylamine antioxidant
Title (en)
Lubricating oil compositions containing a tetraalkyl-napthalene-1,8 diamine antioxidant and a diarylamine antioxidant
Title (de)
Schmierölzusammensetzungen mit einem Tetraalkyl-Naphtalen-1,8-Diamin-Antioxidant und einem Diarylamin-Antioxidant
Title (fr)
Compositions d'huile de lubrification contenant un antioxydant de diamine tetraalkyl-napthalène-1,8 et de diarylamine
Publication
Application
Priority
US 1558607 P 20071220
Abstract (en)
Disclosed is a lubricating oil composition containing an oil of lubricating viscosity and a N,N,N',N'-tetraalkyl-naphthalene-1,8-diamine and at least one additive selected from antioxidants, dispersants, and detergents which together provide superior oxidation inhibition and are suitable lubricants for automotive and truck crankcase lubricants; as well as transmission lubricants, gear lubricants, hydraulic fluids, compressor oils, diesel and marine lubricants.
IPC 8 full level
C10M 133/12 (2006.01); C10M 141/06 (2006.01); C10N 30/10 (2006.01)
CPC (source: EP)
C10M 133/12 (2013.01); C10M 141/06 (2013.01); C10M 2215/064 (2013.01); C10M 2215/065 (2013.01); C10M 2215/066 (2013.01); C10M 2215/086 (2013.01); C10M 2223/04 (2013.01); C10M 2223/043 (2013.01); C10M 2223/045 (2013.01); C10M 2223/047 (2013.01); C10M 2223/063 (2013.01); C10M 2227/066 (2013.01); C10N 2030/10 (2013.01)
Citation (applicant)
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Citation (search report)
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Designated contracting state (EPC)
DE FR GB NL
Designated extension state (EPC)
AL BA MK RS
DOCDB simple family (publication)
EP 2077315 A1 20090708; EP 2077315 B1 20121031; JP 2009149892 A 20090709; JP 5386164 B2 20140115; SG 153777 A1 20090729
DOCDB simple family (application)
EP 08172020 A 20081217; JP 2008324547 A 20081219; SG 2008094187 A 20081219