Global patent index - EP 0699739 B1

EP 0699739 B1 2000-02-16 - Engine oil composition

Title (en)

Engine oil composition

Title (de)

Motorölzusammensetzung

Title (fr)

Composition d'huile pour moteur

Publication

EP 0699739 B1 (EN)

Application

EP 95113870 A

Priority

JP 21126494 A

Abstract (en)

[origin: EP0699739A2] An engine oil composition is composed of: (1) at least one oil selected from the group consisting of a mineral oil and a synthetic lubricant as a base oil; (2) a molybdenum dithicarbamate in an amount of 50 to 2000 ppm by weight when calculated as molybdenum (Mo), relative to the total weight of the engine oil composition; (3) zinc dithiophosphate in an amount of 0.01 to 0.2 wt% when calculated as phosphorus (P), relative to the total amount of the engine oil composition; and (4) an ashless organic polysulfide compound in an amount of 0.01 to 0.4 wt% when calculated as sulfur (S), relative to the total amount of the engine oil composition.

IPC 1-7 (main, further and additional classification)

C10M 141/10

IPC 8 full level (invention and additional information)

C10M 141/10 (2006.01); C10N 10/04 (2006.01); C10N 10/12 (2006.01); C10N 30/06 (2006.01); C10N 40/25 (2006.01)

CPC (invention and additional information)

C10M 141/10 (2013.01); C10M 2219/02 (2013.01); C10M 2219/022 (2013.01); C10M 2219/024 (2013.01); C10M 2219/06 (2013.01); C10M 2219/062 (2013.01); C10M 2219/066 (2013.01); C10M 2219/068 (2013.01); C10M 2219/082 (2013.01); C10M 2219/083 (2013.01); C10M 2219/084 (2013.01); C10M 2219/087 (2013.01); C10M 2219/088 (2013.01); C10M 2219/089 (2013.01); C10M 2219/10 (2013.01); C10M 2219/102 (2013.01); C10M 2219/104 (2013.01); C10M 2219/106 (2013.01); C10M 2219/108 (2013.01); C10M 2223/045 (2013.01); C10N 2210/02 (2013.01); C10N 2210/06 (2013.01); C10N 2240/10 (2013.01); C10N 2240/101 (2013.01); C10N 2240/104 (2013.01); C10N 2240/106 (2013.01)

Combination set (CPC)

C10M 141/10 + C10M 135/02 + C10M 135/04 + C10M 135/06 + C10M 135/14 + C10M 135/18 + C10M 135/22 + C10M 135/24 + C10M 135/30 + C10M 135/36 + C10M 137/10

Designated contracting state (EPC)

DE FR GB

EPO simple patent family

EP 0699739 A2 19960306; EP 0699739 A3 19970319; EP 0699739 B1 20000216; DE 69515093 D1 20000323; DE 69515093 T2 20000713; JP 2971748 B2 19991108; JP H0873878 A 19960319

INPADOC legal status

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- Opponent name: THE LUBRIZOL CORPORATION

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