Global Patent Index - EP 1049758 A1

EP 1049758 A1 2000-11-08 - Lubricant compositions

Title (en)

Lubricant compositions

Title (de)

SCHMIERMITTELZUSAMMENSETZUNGEN

Title (fr)

Compositions lubrifiantes

Publication

EP 1049758 A1 (EN)

Application

EP 98967089 A

Priority

  • EP 9808576 W
  • GB 9800436 A

Abstract (en)

[origin: WO9935218A1] A marine diesel engine lubricant composition having a TBN of at least 10 and preferably a VI of at least 90, comprises a major amount of oil of lubricating viscosity, and admixed therewith, minoramounts of an ashless antiwear additive and a metal detergent in the form of (i) an overbased metal detergent having a TBN of at least 300, preferably at least 330, more preferably at least 400, and comprising a surfactant system derived from at least two surfactants, and/or (ii) a metal detergent other than (i); provided that, if detergent (ii) is present, the composition does not contain a minor amount of an extreme pressure additive, being up to 5.0 mass % based on the total mass of the composition.

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

C10M 163/00

IPC 8 full level (invention and additional information)

C10M 163/00 (2006.01); C10N 40/25 (2006.01)

CPC (invention and additional information)

C10M 163/00 (2013.01); C10M 2207/028 (2013.01); C10M 2207/16 (2013.01); C10M 2207/262 (2013.01); C10M 2219/046 (2013.01); C10M 2219/066 (2013.01); C10M 2219/087 (2013.01); C10M 2219/088 (2013.01); C10M 2219/089 (2013.01); C10M 2223/04 (2013.01); C10M 2223/042 (2013.01); C10M 2223/043 (2013.01); C10M 2223/047 (2013.01); C10M 2223/065 (2013.01); C10M 2223/10 (2013.01); C10M 2227/061 (2013.01); C10M 2227/062 (2013.01); C10N 2240/102 (2013.01); C10N 2240/103 (2013.01)

Citation (search report)

See references of WO 9935218A1

Designated contracting state (EPC)

BE DE ES FR GB IT NL

EPO simple patent family

WO 9935218 A1 19990715; CA 2315707 A1 19990715; CA 2315707 C 20070130; CN 1152125 C 20040602; CN 1285863 A 20010228; EP 1049758 A1 20001108; GB 9800436 D0 19980304; JP 2002500262 A 20020108

INPADOC legal status


2009-12-23 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20090701

2001-11-21 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20011009

2000-11-08 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20000614

2000-11-08 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): BE DE ES FR GB IT NL