WO2004081157A1 - Composition lubrifiante a base d'huiles obtenues par synthese de fischer-tropsch - Google Patents

Composition lubrifiante a base d'huiles obtenues par synthese de fischer-tropsch Download PDF

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Publication number
WO2004081157A1
WO2004081157A1 PCT/EP2004/050231 EP2004050231W WO2004081157A1 WO 2004081157 A1 WO2004081157 A1 WO 2004081157A1 EP 2004050231 W EP2004050231 W EP 2004050231W WO 2004081157 A1 WO2004081157 A1 WO 2004081157A1
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WO
WIPO (PCT)
Prior art keywords
fischer
base oil
pour point
additive
tropsch derived
Prior art date
Application number
PCT/EP2004/050231
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English (en)
Inventor
David John Wedlock
Original Assignee
Shell Internationale Research Maatschappij B.V.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shell Internationale Research Maatschappij B.V. filed Critical Shell Internationale Research Maatschappij B.V.
Priority to JP2006505435A priority Critical patent/JP2006519904A/ja
Priority to BRPI0408151-0A priority patent/BRPI0408151A/pt
Priority to AU2004219913A priority patent/AU2004219913B2/en
Priority to US10/547,919 priority patent/US20060183651A1/en
Priority to EP04715916A priority patent/EP1627031A1/fr
Publication of WO2004081157A1 publication Critical patent/WO2004081157A1/fr

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M171/00—Lubricating compositions characterised by purely physical criteria, e.g. containing as base-material, thickener or additive, ingredients which are characterised exclusively by their numerically specified physical properties, i.e. containing ingredients which are physically well-defined but for which the chemical nature is either unspecified or only very vaguely indicated
    • C10M171/02—Specified values of viscosity or viscosity index
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G45/00—Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds
    • C10G45/58—Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to change the structural skeleton of some of the hydrocarbon content without cracking the other hydrocarbons present, e.g. lowering pour point; Selective hydrocracking of normal paraffins
    • C10G45/60—Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to change the structural skeleton of some of the hydrocarbon content without cracking the other hydrocarbons present, e.g. lowering pour point; Selective hydrocracking of normal paraffins characterised by the catalyst used
    • C10G45/64—Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to change the structural skeleton of some of the hydrocarbon content without cracking the other hydrocarbons present, e.g. lowering pour point; Selective hydrocracking of normal paraffins characterised by the catalyst used containing crystalline alumino-silicates, e.g. molecular sieves
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G65/00—Treatment of hydrocarbon oils by two or more hydrotreatment processes only
    • C10G65/02—Treatment of hydrocarbon oils by two or more hydrotreatment processes only plural serial stages only
    • C10G65/04—Treatment of hydrocarbon oils by two or more hydrotreatment processes only plural serial stages only including only refining steps
    • C10G65/043—Treatment of hydrocarbon oils by two or more hydrotreatment processes only plural serial stages only including only refining steps at least one step being a change in the structural skeleton
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • 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
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G2400/00—Products obtained by processes covered by groups C10G9/00 - C10G69/14
    • C10G2400/10—Lubricating oil
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
    • C10M2205/17—Fisher Tropsch reaction products
    • C10M2205/173—Fisher Tropsch reaction products used as base material

Definitions

  • the invention is directed to a lubricant composition comprising a Fischer-Tropsch derived base oils and one or more additives.
  • the invention is especially directed to a 5 lubricant composition according to the so-called SAE J300 classification. Background of invention
  • Such lubricant compositions are also referred to as SAE xW-y compositions.
  • SAE stands for Society of
  • the "x" number in such a designation is associated with a maximum viscosity requirement at low temperature for that composition as measured typically by a cold cranking simulator (VdCCS) under high shear.
  • VdCCS cold cranking simulator
  • a lubricant composition comprising a Fischer-Tropsch derived base oils and one or more additives is for example described in O-A-0157166.
  • This publication discloses a lubricant composition of O -20 and of the 0W-40 type consisting of a Fischer-Tropsch derived base oil.
  • the pour points of the Fischer-Tropsch derived base oils were respectively -66 °C (OW-20) , -40 °C (OW-20) , -66 °C (OW-40), -34 °C (OW-40), and -34 °C (OW-40) (between brackets are the lubricant type according to SAE J300 classification) .
  • Fischer-Tropsch derived base oils are required which have a certain low pour point.
  • Base oils having such low pour points may be obtained by for example a severe catalytic dewaxing process as disclosed in WO-A-0157166.
  • a disadvantage of such a process is that the lower the target pour point of the base oils the lower the yield to such base oils will be.
  • US-A-6103099 describes a 5W-30 passenger car motor oil formulation comprising a Fischer-Tropsch derived base oil.
  • the Fischer-Tropsch derived base oil was obtained by solvent dewaxing a partly isomerised Fischer-Tropsch wax.
  • the base oil had a pour point of -18 °C.
  • Example 2 a 15W-40 passenger car motor oil formulation comprising a Fischer- Tropsch derived base oil.
  • the Fischer-Tropsch derived base oil was obtained by solvent dewaxing a partly isomerised Fischer-Tropsch wax.
  • the base oil had a pour point of -19 °C.
  • the Fischer-Tropsch derived XHVI type base oil is obtained by solvent dewaxing a partly isomerised Fischer-Tropsch wax.
  • This partly isomerised wax is the SMDS Waxy Raffinate as prepared by Shell MDS Malaysia Sdn Bhd.
  • the XHVI type base oil has a pour point of about -18 °C.
  • EP-A-668342 describes a process to prepare a base oil from a partly isomerised Fischer-Tropsch wax, also referred to as waxy raffinate, by means of dewaxing said waxy raffinate.
  • the dewaxing process could be solvent or catalytic dewaxing.
  • the pour point of the base oil could be reduced by adding a pour point depressant additive. It is known that blending a OW-xx motor oil can be achieved when using a severly hydrocracked and catalytically dewaxed mineral source base oil.
  • DI packages in the context of the present invention comprise of a carrier fluid an anti-wear additive, an overbased detergent, an anti-oxidant and a detergent inhibitor.
  • DI packages in the context of the present invention comprise of a carrier fluid an anti-wear additive, an overbased detergent, an anti-oxidant and a detergent inhibitor.
  • DI packages for package treats much above this level it has been found difficult to meet the cold- cranking requirements because of the combined base oil and package low temperature thickening effects.
  • mainstream PCMO Passenger Car Motor Oils
  • premium tier PCMO formulations contain about 12 wt% of the DI package
  • top tier PCMO formulations comprise of 15 wt% and higher of the DI package.
  • top-tier motor oil comprising the high package treat which is used in such products
  • a poly-alpha olefin type of base oil or a severely catalytically dewaxed Fischer- Tropsch derived base oil A disadvantage of the use of severely catalytic dewaxed base oil is that they are made by less selective processes as explained above.
  • the use of poly-alpha olefins is less attractive because of their complicated process of preparation and higher cost.
  • the starting alpha olefins that are commercially used for this process are prepared by dehydrogenation of paraffins obtained in a Fischer-Tropsch reaction. It is thus much more attractive to prepare a base oil suitable for a high tier motor oil by means of a more direct and simple hydroprocessing of a Fischer-Tropsch wax itself.
  • the object of the present invention is to provide a high tier lubricant composition, which does not require Fischer-Tropsch base oil as prepared by a severe catalytic dewaxing process. Summary of the invention.
  • MMV Magnetic Movity Test Value at -40 °C of below 60,000 cP as measured according to ASTM D 4684, comprising a Fischer-Tropsch derived base oil having a pour point from -15 to -31 °C, a pour point depressant additive and 15 wt% or greater of a Detergent Inhibitor (DI) additive package.
  • DI Detergent Inhibitor
  • the Fischer-Tropsch derived base oil has a pour point of point from -15 to -31 °C.
  • the upper limit is preferably -20 °C.
  • Pour points are measured according to ASTM D 97.
  • the kinematic viscosity at 100 °C is preferably greater than 3.5 cSt and more preferably between 3.5 and 6 cSt.
  • Kinematic viscosity at 100 °C is as determined by ASTM D 445.
  • the viscosity index (VI) is preferably greater than 120, more preferably greater than 130.
  • the VI will typically be less than 160.
  • Viscosity Index is as determined by ASTM D 2270.
  • the Noack volatility (according to ASTM D 5800) is preferably less than 14 wt%.
  • the lubricant formulation comprises at least a pour point depressant additive.
  • the amount of additive used is sufficient to provide the resulting lubricant composition the desired low temperature properties of the composition according to the invention.
  • Fischer-Tropsch derived base oil allowing the use of a base oil having a pour point in the claimed range.
  • Suitable pour point depressant additives modify the wax crystal morphology such as to reduce interlocking of the wax crystals with consequent viscosity increase or gellation.
  • the pour point depressant alkylated naphthalene and phenolic polymers polymethacrylates, maleate/fumarate copolymer esters are used of which polymethacrylate, a methacrylate - vinyl pyrrolidone copolymer or a vinyl acetate - fumarate co- polymer are preferred.
  • at least 0.1 wt% of such an additive is used.
  • Preferably not more than 0.3 wt% of such an additive is used.
  • the lubricant composition will preferably also comprise one or more additives as for example described in the afore mentioned WO-A-0157166.
  • additive types which may form part of the composition are viscosity modifiers, dispersants, detergents, extreme pressure/antiwear additives, antioxidants, pour point depressants, emulsifiers, demulsifiers, corrosion inhibitors, rust inhibitors, antistaining additives, friction modifiers. Specific examples of such additives are described in for example Kirk-Othmer Encyclopedia of Chemical Technology, third edition, volume 14, pages 477-526.
  • the anti-wear additive is a zinc dialkyl dithiophosphate.
  • the dispersant is an ashless dispersant, for example polybutylene succinimide polyamines or Mannic base type dispersants.
  • the detergent is an over-based metallic detergent, for example the phosphonate, sulfonate, phenolate or salicylate types as described in the above referred to General Textbook.
  • the antioxidant is a hindered phenolic or ar ⁇ inic compound, for example alkylated or styrenated diphenylamines or ionol derived hindered phenols. Examples of suitable antifoaming agents are polydimethylsiloxanes and polyethylene glycol ethers and esters.
  • the invention is directed to top tier PCMO formulations having a Detergent Inhibitor (DI) package treat of 15 wt% and higher.
  • DI Detergent Inhibitor
  • the upper content of the DI package will be 20 wt%.
  • the DI Package or sometimes also referred to as Performance Package are commercially available from many vendors and typically have the following composition: Dispersant additive between 40 and 50 wt%, Detergent additive between 15 and 20 wt%, Diluent Oil between 10 and 50 wt%, Anti wear additive between 8 and 12 wt%, Ashless detergent additive between 5 and 15 wt% and Friction modifier additive between 1-2 wt%.
  • a viscosity modifier additive may be present in an amount of between 0 and 20 wt% and a pour point depressant as describe above.
  • the Fischer-Tropsch derived base oil may be prepared according to the processes as disclosed in for example EP-A-776959, EP-A-668342, WO-A-9721788, WO-0015736, WO-A -0014188, WO-A-0014187, WO-A-0014183, WO-A-0014179, WO-A-0008115, WO-A-9941332, EP-A-1029029, WO-A-0118156 and WO-A-0157166.
  • base oils are used which have been obtained in a catalytic pour point reducing process.
  • the Fischer-Tropsch derived feed that is subjected to the catalytic pour point reducing step may be obtained from every known Fischer-Tropsch synthesis process.
  • a fraction of the Fischer-Tropsch synthesis product boiling substantially above 370 °C is used as dewaxer feed.
  • part or all of the Fischer-Tropsch synthesis product is first subjected to a hydrocracking/ hydroisomerisation step. In this step middle distillates are obtained.
  • the residue as obtained as the bottom distillative product after such a hydrocracking step may be preferably used as feed to said catalytic pour point reducing process. Examples of such processes are described in WO-A-02070631, WO-A-02070629 and WO-A-02070627.
  • catalytic treatments are for example the catalytic dewaxing or iso-dewaxing processes.
  • the catalytic pour point reducing processes comprise all processes wherein in the presence of a catalyst and hydrogen the pour point of the base oil precursor fraction is reduced as specified above.
  • Suitable dewaxing catalysts are heterogeneous catalysts comprising a molecular sieve and optionally in combination with a metal having a hydrogenation function, such as the Group VIII metals.
  • Molecular sieves, and more suitably intermediate pore size zeolites have shown a good catalytic ability to reduce the pour point of the base oil precursor fraction under catalytic dewaxing conditions.
  • the intermediate pore size zeolites have a pore diameter of between 0.35 and 0.8 rim.
  • Suitable intermediate pore size zeolites are mordenite, ZSM-5, ZSM-12, ZSM-22, ZSM-23, SSZ-32, ZSM-35 and ZSM-48.
  • Another preferred group of molecular sieves are the silica-aluminaphosphate (SAPO) materials of which SAPO-11 is most preferred as for example described in US-A-4859311.
  • SAPO silica-aluminaphosphate
  • ZSM-5 may optionally be used in its HZSM-5 form in the absence of any Group VIII metal.
  • the other molecular sieves are preferably used in combination with an added Group VIII metal.
  • Suitable Group VIII metals are nickel, cobalt, platinum and palladium.
  • a preferred class of dewaxing catalysts comprise intermediate zeolite crystallites as described above and a low acidity refractory oxide binder material which is essentially free of alumina as described above, wherein the surface of the aluminosilicate zeolite crystallites has been modified by subjecting the aluminosilicate zeolite crystallites to a surface dealu ination treatment.
  • a preferred dealumination treatment is by contacting an extrudate of the binder and the zeolite with an aqueous solution of a fluorosilicate salt as described in for example US-A-5157191 or WO-A-0029511.
  • dewaxing catalysts as described above are silica bound and dealuminated Pt/ZSM-5, silica bound and dealuminated Pt/ZSM-23, silica bound and dealuminated Pt/ZSM-12, silica bound and dealuminated Pt/ZSM-22, as for example described in WO-A-0029511 and EP-B-832171.
  • Catalytic dewaxing conditions typically involve operating temperatures in the range of from 200 to 500 °C, suitably from 250 to 400 °C, hydrogen pressures in the range of from 10 to 200 bar, preferably from 40 to 70 bar, weight hourly space velocities (WHSV) in the range of from 0.1 to 10 kg of oil per litre of catalyst per hour (kg/l/hr) , suitably from 0.2 to 5 kg/l/hr, more suitably from 0.5 to 3 kg/l/hr and hydrogen to oil ratios in the range of from 100 to 2,000 litres of hydrogen per litre of oil.
  • WHSV weight hourly space velocities
  • C. A single base oil as prepared by severely catalytic dewaxing of a partly isomerised Fischer-Tropsch wax in accordance with the process as described in Example 1 of WO-A-02070629. The dewaxing severity was adjusted to arrive at the pour point of -30 °C for the specified viscosity grade.
  • the above base oils were combined with a standard additive package, type passenger car motor oil, a pour point depressant and a viscosity modifier, type hydrogenated isoprene star polymer. The results are in Table 1. In this table the following units are mentioned.
  • VK 100 °C The Kinematic viscosity at 100 °C (VK 100 °C) is determined by ASTM D 445, the Viscosity Index as determined by ASTM D 2270, the VDCCS @ -35 °C (P) stands for dynamic viscosity at -35 degrees Centigrade and is measured according to
  • ASTM D 5293 the MRV cP at -40 °C stands for mini rotary viscometer test and is measured according to ASTM D 4684, the pour point is according to ASTM D 97, and the Noack volatility is as determined by ASTM D 5800.
  • Table 2 shows that with a the mineral oil based and a Fischer-Tropsch base oil it is possible to meet OW-30 specifications with a lower DI additive package treat of 10 wt%. This is however not a top tier formulation as defined elsewhere in this application.
  • Table 2 shoes that it is not possible to blend mainstream OW-30 formulation with mineral oil derived base oils. Table 2 also shows that top tier OW-30 formulations can be blended using severely catalytically dewaxed Fischer- Tropsch base oils.
  • Example 3
  • Base Oil C The blending properties of Base Oil C was compared with Fischer-Tropsch base oils which were obtained by means of solvent dewaxing. These solvent dewaxed base oils are Base Oil H and Base oil I. To the base oils only 0.15 wt% of the pour point depressant additive of Example 1 was added.
  • the MRV test showed a yield stress and therefore the test was not passed.

Abstract

Cette invention a trait à une composition lubrifiante dont la viscosité dynamique à 35 °C est inférieure à 6200 cP comme mesuré selon la norme ASTM D 5293 et dont la valeur de l'essai effectué au moyen d'un mini-viscomètre rotatif, à 40 °C est inférieure à 60,000 cP comme mesuré selon la norme ASTM D 4684, laquelle composition contient une huile de base obtenue par synthèse de Fischer-Tropsch et ayant un point d'écoulement compris entre -15 et -31 °C. On obtient cette huile de base par déparaffinage catalytique. Le pourcentage pondéral de l'additif déprimant du point d'écoulement est égal ou supérieur à 15 % de l'ensemble d'additifs d'inhibition de détergent ainsi qu'à celui d'inhibiteur de détergent.
PCT/EP2004/050231 2003-03-10 2004-03-01 Composition lubrifiante a base d'huiles obtenues par synthese de fischer-tropsch WO2004081157A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2006505435A JP2006519904A (ja) 2003-03-10 2004-03-01 フィッシャー・トロプシュ誘導基油をベースとする潤滑油組成物
BRPI0408151-0A BRPI0408151A (pt) 2003-03-10 2004-03-01 composição lubrificante
AU2004219913A AU2004219913B2 (en) 2003-03-10 2004-03-01 Lubricant composition based on Fischer-Tropsch derived base oils
US10/547,919 US20060183651A1 (en) 2003-03-10 2004-03-01 Lubricant composition based on fischer-tropsch derived base oils
EP04715916A EP1627031A1 (fr) 2003-03-10 2004-03-01 Composition lubrifiante a base d'huiles derivees d'un procede fischer-tropsch

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP03251469.7 2003-03-10
EP03251469 2003-03-10

Publications (1)

Publication Number Publication Date
WO2004081157A1 true WO2004081157A1 (fr) 2004-09-23

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PCT/EP2004/050231 WO2004081157A1 (fr) 2003-03-10 2004-03-01 Composition lubrifiante a base d'huiles obtenues par synthese de fischer-tropsch

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US (1) US20060183651A1 (fr)
EP (1) EP1627031A1 (fr)
JP (1) JP2006519904A (fr)
CN (1) CN1759167A (fr)
AU (1) AU2004219913B2 (fr)
BR (1) BRPI0408151A (fr)
WO (1) WO2004081157A1 (fr)

Cited By (6)

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US7083713B2 (en) 2003-12-23 2006-08-01 Chevron U.S.A. Inc. Composition of lubricating base oil with high monocycloparaffins and low multicycloparaffins
US7195706B2 (en) 2003-12-23 2007-03-27 Chevron U.S.A. Inc. Finished lubricating comprising lubricating base oil with high monocycloparaffins and low multicycloparaffins
US7282134B2 (en) 2003-12-23 2007-10-16 Chevron Usa, Inc. Process for manufacturing lubricating base oil with high monocycloparaffins and low multicycloparaffins
WO2008057250A2 (fr) * 2006-10-27 2008-05-15 Exxonmobil Research And Engineering Company Lubrifiants formulés répondant à des spécifications d'efficacité à basse température 0w et 5w, fabriqués à partir d'un mélange d'huiles de base obtenues par différents procédés de traitement de paraffines finies
EP2240557A1 (fr) * 2007-12-10 2010-10-20 Chevron U.S.A. Inc. Composition de lubrifiant
WO2010149706A1 (fr) 2009-06-24 2010-12-29 Shell Internationale Research Maatschappij B.V. Composition lubrifiante

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US8236741B2 (en) * 2007-11-16 2012-08-07 Exxonmobil Research And Engineering Company Method for haze mitigation and filterability improvement for gas-to-liquid hydroisomerized base stocks
US20090163391A1 (en) * 2007-12-20 2009-06-25 Chevron U.S.A. Inc. Power Transmission Fluid Compositions and Preparation Thereof

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US6703353B1 (en) * 2002-09-04 2004-03-09 Chevron U.S.A. Inc. Blending of low viscosity Fischer-Tropsch base oils to produce high quality lubricating base oils
US7144497B2 (en) * 2002-11-20 2006-12-05 Chevron U.S.A. Inc. Blending of low viscosity Fischer-Tropsch base oils with conventional base oils to produce high quality lubricating base oils

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EP0668342A1 (fr) * 1994-02-08 1995-08-23 Shell Internationale Researchmaatschappij B.V. Procédé de préparation d'une huile lubrifiante de base
US6103099A (en) * 1998-09-04 2000-08-15 Exxon Research And Engineering Company Production of synthetic lubricant and lubricant base stock without dewaxing
US6475960B1 (en) * 1998-09-04 2002-11-05 Exxonmobil Research And Engineering Co. Premium synthetic lubricants
WO2001034735A1 (fr) * 1999-11-09 2001-05-17 Exxonmobil Research And Engineering Company Procede d'optimisation d'economie en carburant relatif aux huiles de base lubrifiantes
WO2002070629A1 (fr) * 2001-03-05 2002-09-12 Shell Internationale Reserach Maatschappij B.V. Procede de preparation d'une huile de base lubrifiante et de gazole

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7083713B2 (en) 2003-12-23 2006-08-01 Chevron U.S.A. Inc. Composition of lubricating base oil with high monocycloparaffins and low multicycloparaffins
US7195706B2 (en) 2003-12-23 2007-03-27 Chevron U.S.A. Inc. Finished lubricating comprising lubricating base oil with high monocycloparaffins and low multicycloparaffins
US7282134B2 (en) 2003-12-23 2007-10-16 Chevron Usa, Inc. Process for manufacturing lubricating base oil with high monocycloparaffins and low multicycloparaffins
WO2008057250A2 (fr) * 2006-10-27 2008-05-15 Exxonmobil Research And Engineering Company Lubrifiants formulés répondant à des spécifications d'efficacité à basse température 0w et 5w, fabriqués à partir d'un mélange d'huiles de base obtenues par différents procédés de traitement de paraffines finies
WO2008057250A3 (fr) * 2006-10-27 2008-07-03 Exxonmobil Res & Eng Co Lubrifiants formulés répondant à des spécifications d'efficacité à basse température 0w et 5w, fabriqués à partir d'un mélange d'huiles de base obtenues par différents procédés de traitement de paraffines finies
EP2240557A1 (fr) * 2007-12-10 2010-10-20 Chevron U.S.A. Inc. Composition de lubrifiant
US7956018B2 (en) 2007-12-10 2011-06-07 Chevron U.S.A. Inc. Lubricant composition
EP2240557A4 (fr) * 2007-12-10 2013-01-02 Chevron Usa Inc Composition de lubrifiant
WO2010149706A1 (fr) 2009-06-24 2010-12-29 Shell Internationale Research Maatschappij B.V. Composition lubrifiante
US9222049B2 (en) 2009-06-24 2015-12-29 Shell Oil Company Lubricating composition

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AU2004219913A1 (en) 2004-09-23
JP2006519904A (ja) 2006-08-31
CN1759167A (zh) 2006-04-12
BRPI0408151A (pt) 2006-03-01
EP1627031A1 (fr) 2006-02-22
US20060183651A1 (en) 2006-08-17
AU2004219913B2 (en) 2007-03-15

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