Global Patent Index - EP 1321507 A1

EP 1321507 A1 2003-06-25 - Heavy duty diesel engine lubricating oil compositions

Title (en)

Heavy duty diesel engine lubricating oil compositions

Title (de)

Schmierölzusammensetzungen für Hochleistungs-Dieselmotor

Title (fr)

Compositions d'huiles lubrifiantes pour moteur diesel de grande puissance

Publication

EP 1321507 A1 (EN)

Application

EP 01310820 A

Priority

EP 01310820 A

Abstract (en)

A heavy duty diesel engine lubricating oil composition comprising an oil of lubricating viscosity, in a major amount, and added thereto, an effective amount of one or more compounds capable of reducing friction coefficients under mixed lubrication or boundary lubrication conditions. Such oil compositions provide improved fuel economy.

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

C10M 163/00

IPC 8 full level (invention and additional information)

C10M 169/04 (2006.01); C10M 129/40 (2006.01); C10M 129/54 (2006.01); C10M 129/72 (2006.01); C10M 129/74 (2006.01); C10M 133/04 (2006.01); C10M 133/08 (2006.01); C10M 133/16 (2006.01); C10M 135/10 (2006.01); C10M 135/12 (2006.01); C10M 135/18 (2006.01); C10M 135/30 (2006.01); C10M 137/10 (2006.01); C10M 163/00 (2006.01); C10N 10/02 (2006.01); C10N 10/04 (2006.01); C10N 10/12 (2006.01); C10N 20/00 (2006.01); C10N 20/02 (2006.01); C10N 30/06 (2006.01); C10N 40/25 (2006.01)

CPC (invention and additional information)

C10M 163/00 (2013.01); C10M 2207/028 (2013.01); C10M 2207/262 (2013.01); C10M 2207/283 (2013.01); C10M 2207/289 (2013.01); C10M 2215/04 (2013.01); C10M 2215/042 (2013.01); C10M 2215/082 (2013.01); C10M 2215/28 (2013.01); C10M 2219/046 (2013.01); C10M 2219/068 (2013.01); C10M 2219/086 (2013.01); C10M 2223/045 (2013.01); C10M 2227/09 (2013.01); C10N 2210/01 (2013.01); C10N 2210/02 (2013.01); C10N 2210/06 (2013.01); C10N 2230/06 (2013.01); C10N 2230/56 (2013.01); C10N 2240/102 (2013.01); C10N 2260/14 (2013.01); C10N 2270/02 (2013.01)

Citation (search report)

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

EPO simple patent family

EP 1321507 A1 20030625; CA 2414918 A1 20030621; CN 1427069 A 20030702; JP 2003221589 A 20030808; SG 115511 A1 20051028; US 2003134758 A1 20030717

INPADOC legal status


2004-11-17 [18D] APPLICATION DEEMED TO BE WITHDRAWN

- Effective date: 20031230

2004-04-22 [REG DE 8566] DESIGNATED COUNTRY DE NOT LONGER VALID

2004-03-17 [AKX] PAYMENT OF DESIGNATION FEES

2003-06-25 [AK] DESIGNATED CONTRACTING STATES:

- Designated State(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

2003-06-25 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO:

- Countries: AL LT LV MK RO SI