CA2420248A1 - Low phosphorus lubricating oil composition - Google Patents

Low phosphorus lubricating oil composition Download PDF

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Publication number
CA2420248A1
CA2420248A1 CA002420248A CA2420248A CA2420248A1 CA 2420248 A1 CA2420248 A1 CA 2420248A1 CA 002420248 A CA002420248 A CA 002420248A CA 2420248 A CA2420248 A CA 2420248A CA 2420248 A1 CA2420248 A1 CA 2420248A1
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Prior art keywords
lubricating oil
oil composition
weight
use according
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CA002420248A
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French (fr)
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CA2420248C (en
Inventor
Stuart Pace
Medi M. Hafez
Maria-Laura Kosidowski
Robert Howie Barbour
Alan Mark Schilowitz
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ExxonMobil Technology and Engineering Co
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    • C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
    • C10M169/04—Mixtures of base-materials and additives
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    • C10M129/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen having a carbon chain of less than 30 atoms
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    • C10M133/04—Amines, e.g. polyalkylene polyamines; Quaternary amines
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    • C10M137/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing phosphorus
    • C10M137/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing phosphorus having no phosphorus-to-carbon bond
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    • C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
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  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Lubricants (AREA)

Abstract

This invention relates to a lubricating oil composition used in conjunction with a gasoline fuel having a sulphur content of less than 10 ppm by weight, characterised in that said oil composition has a phosphorus content of no mo re than 0.05 % by weight. The feature of the invention is that the use of a low sulphur fuel enables the amount of anti-wear agents containing phosphorus su ch as eg ZDDP to be halved without any adverse effect on the antiwear performan ce of the lubricating oil.

Claims (12)

1. Use in an internal combustion engine operating on gasoline fuel having a sulphur content of less than 10 ppm by weight, of a lubricating oil composition having a phosphorous content of no more than 0.05 % by weight.
2. The use according to Claim 1 wherein the gasoline fuel has less than 5 ppm by weight of sulphur.
3. The use according to Claim 1 or 2 wherein the lubricating oil composition comprises Group II, Group III or Group IV basestock as defined by the API.
4. The use according to any one of the preceding Claims wherein the lubricating oil composition has a kinematic viscosity at 40°C (KV40) of about 75 cSt or less and at 100°C (KV100) of below 20 cSt; a pour point below -20°C; a flash point of above 200°C;
a NOACK volatility of up to 15%; a TBN value of about 7 based on mg of KOH per gram (ASTM 2896-98); and a nitrogen content as measured by the Kjeldahl method of below 0.1 % by mass.
5. The use according to any one of the preceding Claims wherein the lubricating oil composition is a 5W40 grade oil.
6. The use according to any one of the preceding Claims wherein the lubricating oil composition comprises in addition one or more additives selected from the group consisting of antioxidants, viscosity index improvers, anti-wear agents, demulsifers, alkaline earth metal sulphonates and polyisobutenyl succinimides which are optionally borated.
7. The use according to any one of the preceding Claims wherein the lubricating oil composition comprises zinc dialkyldithiophosphate (ZDDP) as an anti-wear agent in an amount such that the phosphorus content of the composition is below 0.05% by weight.
8. The use according to Claim 7 wherein the ZDDP has primary alkyl groups having 1-18 carbon atoms, secondary alkyl groups having 3-18 carbon atoms or a mixture of such primary and secondary alkyl groups.
9. The use according to any one of the preceding Claims 6-8 wherein the antioxidant is phenolic, aminic or mixtures thereof.
10. A method of operating internal combustion engines which method comprises using a lubricating oil composition in conjunction with a gasoline fuel having a sulphur content of less than 10 ppm by weight, characterised in that said lubricating oil composition has a phosphorus content of no more than 0.05 % by weight.
11. A method for reducing wear in an internal combustion engine said method comprising using a lubricating oil composition in conjunction with a gasoline fuel having a sulphur content of less than 10 ppm by weight, characterised in that said lubricating oil composition has a phosphorus content of no more than 0.05 % by weight.
12. A method of reducing environmental pollution caused by the operation of an internal combustion engine whilst also reducing wear in said engine, said method comprising using a lubricating oil composition in conjunction with a gasoline fuel having a sulphur content of less than 10 ppm by weight, characterised in that said lubricating oil composition has a phosphorus content of no more than 0.05 % by weight.
CA2420248A 2000-08-29 2001-08-10 Low phosphorus lubricating oil composition Expired - Fee Related CA2420248C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0021041.9 2000-08-29
GBGB0021041.9A GB0021041D0 (en) 2000-08-29 2000-08-29 Low phosphorus lubricating oil composition
PCT/EP2001/009262 WO2002018521A2 (en) 2000-08-29 2001-08-10 Low phosphorus lubricating oil composition

Publications (2)

Publication Number Publication Date
CA2420248A1 true CA2420248A1 (en) 2002-03-07
CA2420248C CA2420248C (en) 2010-04-13

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CA2420248A Expired - Fee Related CA2420248C (en) 2000-08-29 2001-08-10 Low phosphorus lubricating oil composition

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US (1) US20040106527A1 (en)
EP (1) EP1315787A2 (en)
JP (1) JP2004507609A (en)
AR (1) AR030577A1 (en)
BR (1) BR0113553A (en)
CA (1) CA2420248C (en)
GB (1) GB0021041D0 (en)
MX (1) MXPA03001736A (en)
WO (1) WO2002018521A2 (en)

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EP1403359A1 (en) * 2002-09-13 2004-03-31 Infineum International Limited Combination of a low ash lubricating oil composition and low sulfur fuel
US7585820B2 (en) * 2005-07-29 2009-09-08 Chevron Oronite Technology B.V. Detergent composition for a low sulfur, low sulfated ash and low phosphorus lubricating oil for heavy duty diesel engines
US20080125337A1 (en) * 2006-11-29 2008-05-29 Guinther Gregory H Lubricant formulations and methods
US8084403B2 (en) * 2009-05-01 2011-12-27 Afton Chemical Corporation Lubricant formulations and methods
US20140187453A1 (en) 2012-12-28 2014-07-03 Chevron Oronite LLC Ultra-low saps lubricants for internal combustion engines
US20140187455A1 (en) 2012-12-28 2014-07-03 Chevron Oronite LLC Ultra-low saps lubricants for internal combustion engines

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GB8704683D0 (en) * 1987-02-27 1987-04-01 Exxon Chemical Patents Inc Low phosphorus/zinc lubricants
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Publication number Publication date
JP2004507609A (en) 2004-03-11
WO2002018521A3 (en) 2002-05-10
CA2420248C (en) 2010-04-13
BR0113553A (en) 2003-07-29
WO2002018521A2 (en) 2002-03-07
AR030577A1 (en) 2003-08-27
MXPA03001736A (en) 2005-02-17
US20040106527A1 (en) 2004-06-03
GB0021041D0 (en) 2000-10-11
EP1315787A2 (en) 2003-06-04

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