| (19) |
 |
|
(11) |
EP 1 795 582 A8 |
| (12) |
CORRECTED EUROPEAN PATENT APPLICATION |
|
Note: Bibliography reflects the latest situation |
| (15) |
Correction information: |
|
Corrected version no 1 (W1 A2) |
| (48) |
Corrigendum issued on: |
|
20.08.2008 Bulletin 2008/34 |
| (43) |
Date of publication: |
|
13.06.2007 Bulletin 2007/24 |
| (22) |
Date of filing: 08.12.2006 |
|
| (51) |
International Patent Classification (IPC):
|
|
| (84) |
Designated Contracting States: |
|
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE
SI SK TR |
|
Designated Extension States: |
|
AL BA HR MK RS |
| (30) |
Priority: |
09.12.2005 US 298006
|
| (71) |
Applicant: Afton Chemical Corporation |
|
Richmond, VA 23219 (US) |
|
| (72) |
Inventors: |
|
- Lam, William Y.
Glen Allen
Virginia 23059 (US)
- Guinther, Gregory H.
Richmond
Virginia 23233 (US)
- Esche, Carl K. Jr.
Richmond
Virginia 23238 (US)
|
| (74) |
Representative: Chung, Hsu Min |
|
Boult Wade Tennant
Verulam Gardens
70 Gray's Inn Road
London WC1X 8BT
London WC1X 8BT (GB) |
|
| |
|
| (54) |
Titanium-containing lubricating oil composition |
(57) A lubricating oil composition comprising a) an oil of lubricating viscosity having
a viscosity index of at least about 95; b) at least one calcium detergent; c) at least
one oil soluble titanium compound; d) at least one friction modifier; and e) at least
one metal dihydrocarbyl dithiophosphate compound. The composition is substantially
free of molybdenum and has a Noack volatility of about 15 wt. % or less, and contains
from about 0.05 to about 0.6 wt. % calcium from the calcium detergent, titanium metal
in an amount of at least about 10 ppm up to about 1500 ppm titanium from the titanium
compound, and phosphorus from the metal dihydrocarbyl dithiophosphate compound in
an amount up to about 0.1 wt. %.