Global Patent Index - EP 2028256 A2

EP 2028256 A2 2009-02-25 - Lubricating oils having improved friction stability

Title (en)

Lubricating oils having improved friction stability

Title (de)

Schmieröle mit verbesserter Reibungsstabilität

Title (fr)

Huiles de lubrification disposant d'une stabilité de friction améliorée

Publication

EP 2028256 A2 (EN)

Application

EP 08104153 A

Priority

US 77096607 A

Abstract (en)

Lubricating oil compositions having excellent friction stability comprise a base lubricating oil, an oil soluble source of phosphorus and a defined polyalkylene polyamine-based friction modifier that has been reacted with an acylating agent to convert at least one secondary amine group into an amide.

IPC 8 full level (invention and additional information)

C10M 169/04 (2006.01); C10M 141/10 (2006.01); C10N 30/06 (2006.01); C10N 40/04 (2006.01)

CPC (invention and additional information)

C10M 169/048 (2013.01); C10M 141/10 (2013.01); C10M 2203/1006 (2013.01); C10M 2207/026 (2013.01); C10M 2207/125 (2013.01); C10M 2209/084 (2013.01); C10M 2215/064 (2013.01); C10M 2215/08 (2013.01); C10M 2215/086 (2013.01); C10M 2215/224 (2013.01); C10M 2215/28 (2013.01); C10M 2217/046 (2013.01); C10M 2219/046 (2013.01); C10M 2219/06 (2013.01); C10M 2219/102 (2013.01); C10M 2219/106 (2013.01); C10M 2223/00 (2013.01); C10M 2223/049 (2013.01); C10N 2230/06 (2013.01); C10N 2230/08 (2013.01); C10N 2240/04 (2013.01); C10N 2240/042 (2013.01); C10N 2240/045 (2013.01); C10N 2260/00 (2013.01)

Combination set (CPC)

  1. C10M 2215/08 + C10M 2215/08
  2. C10M 2215/28 + C10N 2260/14
  3. C10M 2219/046 + C10N 2210/02

Citation (applicant)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR

Designated extension state (EPC)

AL BA MK RS

EPO simple patent family

US 2009005277 A1 20090101; CA 2635151 A1 20081229; CA 2635151 C 20150811; CN 101343591 A 20090114; CN 101343591 B 20130327; EP 2028256 A2 20090225; EP 2028256 A3 20120620; JP 2009013408 A 20090122; JP 5541850 B2 20140709; KR 101545743 B1 20150819; KR 20090004532 A 20090112; SG 148979 A1 20090129; SG 182148 A1 20120730

INPADOC legal status


2013-02-27 [AKX] PAYMENT OF DESIGNATION FEES

- Designated State(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR

2012-08-08 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20120709

2012-06-20 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A3

- Designated State(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR

2012-06-20 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO:

- Countries: AL BA MK RS

2012-06-20 [RIC1] CLASSIFICATION (CORRECTION)

- IPC: C10N 30/06 20060101ALN20120514BHEP

2012-06-20 [RIC1] CLASSIFICATION (CORRECTION)

- IPC: C10M 141/10 20060101ALI20120514BHEP

2012-06-20 [RIC1] CLASSIFICATION (CORRECTION)

- IPC: C10M 169/04 20060101AFI20120514BHEP

2012-06-20 [RIC1] CLASSIFICATION (CORRECTION)

- IPC: C10N 40/04 20060101ALN20120514BHEP

2009-02-25 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20080529

2009-02-25 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A2

- Designated State(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR

2009-02-25 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO:

- Countries: AL BA MK RS