Global Patent Index - EP 0432089 A1

EP 0432089 A1 19910612 - Lubricating oil compositions.

Title (en)

Lubricating oil compositions.

Title (de)

Schmierstoffzusammensetzungen.

Title (fr)

Compositions lubrifiantes.

Publication

EP 0432089 A1 19910612 (DE)

Application

EP 90810831 A 19901030

Priority

CH 401889 A 19891108

Abstract (en)

A composition containing   A) a lubricant and a mixture of   B) for example, at least one of the compounds O,O-bis-2-ethylhexyl sodium dithiophosphate, O,O-bis-2-ethylhexyl sodium thionophosphate, O,O-bis-2-methyl-propyl sodium dithiophosphate, O,O-bis-nonylphenyl sodium dithiophosphate or S-[O,O-bis-2-ethylhexylthiophosphoryl] potassium thioglycolate,   C) at least one compound from the group comprising the aromatic amines, for example the diphenylamines or phenothiazines, and   D) at least one compound from the group comprising the cyclic sterically hindered amines, the acyclic sterically hindered amines and the phenols of the formula <IMAGE> where R<4> and R<5> and A are, for example, alkyl radicals, shows high stability to oxidative degradation.

Abstract (de)

Zusammensetzung enthaltend A) einen Schmierstoff und ein Gemisch aus, B) beispielsweise wenigstens eine der Verbindungen O,O-Bis-2-ethylhexyl-natriumdithiophosphat, O,O-Bis-2-ethylhexyl-natriumthionophosphat, O,O-Bis-2-methyl-propyl-natriumdithiophosphat, O,O-Bis-nonylphenyl-natriumdithiophosphat oder S-[O,O-Bis-2-ethylhexylthiophosphoryl]-kaliumthioglykolat, C) wenigstens eine Verbindung aus der Reihe der aromatischen Amine, beispielsweise der Diphenylamine oder Phenothiazine und D) wenigstens eine Verbindung aus der Reihe der cyclischen sterisch gehinderten Amine, der nicht-cyclischen sterisch gehinderten Amine und der Phenole der Formel <IMAGE> wobei R<4>, R<5> und A beispielsweise Alkylreste bedeuten. Derartige Schmierstoffzusammensetzungen weisen eine hohe Stabilität gegen oxidativen Abbau auf.

IPC 1-7

C10M 141/10; C10N 30/10

IPC 8 full level

C10M 141/10 (2006.01); C10N 10/02 (2006.01); C10N 30/10 (2006.01); C10N 40/25 (2006.01)

CPC (source: EP US)

C10M 129/10 (2013.01 - EP); C10M 129/14 (2013.01 - EP); C10M 129/76 (2013.01 - EP); C10M 133/02 (2013.01 - EP); C10M 133/40 (2013.01 - EP); C10M 135/26 (2013.01 - EP); C10M 135/30 (2013.01 - EP); C10M 135/36 (2013.01 - EP); C10M 137/06 (2013.01 - EP); C10M 137/10 (2013.01 - EP); C10M 141/10 (2013.01 - EP US); C10M 2207/023 (2013.01 - EP US); C10M 2207/024 (2013.01 - EP US); C10M 2207/026 (2013.01 - EP US); C10M 2207/027 (2013.01 - EP US); C10M 2207/287 (2013.01 - EP US); C10M 2207/288 (2013.01 - EP US); C10M 2207/289 (2013.01 - EP US); C10M 2215/00 (2013.01 - EP US); C10M 2215/06 (2013.01 - EP US); C10M 2215/062 (2013.01 - EP US); C10M 2215/064 (2013.01 - EP US); C10M 2215/065 (2013.01 - EP US); C10M 2215/22 (2013.01 - EP US); C10M 2215/221 (2013.01 - EP US); C10M 2215/222 (2013.01 - EP US); C10M 2215/225 (2013.01 - EP US); C10M 2215/226 (2013.01 - EP US); C10M 2215/30 (2013.01 - EP US); C10M 2219/084 (2013.01 - EP US); C10M 2219/085 (2013.01 - EP US); C10M 2219/087 (2013.01 - EP US); C10M 2219/088 (2013.01 - EP US); C10M 2219/106 (2013.01 - EP US); C10M 2219/108 (2013.01 - EP US); C10M 2223/04 (2013.01 - EP US); C10M 2223/041 (2013.01 - EP US); C10M 2223/042 (2013.01 - EP US); C10M 2223/045 (2013.01 - EP US); C10N 2010/02 (2013.01 - EP US)

C-Set (source: EP US)

C10M 141/10 + C10M 129/10 + C10M 129/14 + C10M 129/76 + C10M 133/02 + C10M 133/40 + C10M 135/26 + C10M 135/30 + C10M 135/36 + C10M 137/06 + C10M 137/10

Citation (search report)

Designated contracting state (EPC)

DE ES FR GB IT

DOCDB simple family (publication)

EP 0432089 A1 19910612; EP 0432089 B1 19960904; CA 2029402 A1 19910509; DE 59010484 D1 19961010; ES 2091236 T3 19961101; JP H03168297 A 19910722; US 5167844 A 19921201

DOCDB simple family (application)

EP 90810831 A 19901030; CA 2029402 A 19901106; DE 59010484 T 19901030; ES 90810831 T 19901030; JP 30373290 A 19901108; US 60640190 A 19901031