WO1995029214A1 - Lubricant composition - Google Patents
Lubricant composition Download PDFInfo
- Publication number
- WO1995029214A1 WO1995029214A1 PCT/GB1995/000941 GB9500941W WO9529214A1 WO 1995029214 A1 WO1995029214 A1 WO 1995029214A1 GB 9500941 W GB9500941 W GB 9500941W WO 9529214 A1 WO9529214 A1 WO 9529214A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- lubricant composition
- composition according
- component
- alkyl
- weight
- Prior art date
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- 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
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M105/00—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound
- C10M105/08—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing oxygen
- C10M105/32—Esters
- C10M105/38—Esters of polyhydroxy compounds
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M129/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen
- 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
- C10M129/04—Hydroxy compounds
- C10M129/10—Hydroxy compounds having hydroxy groups bound to a carbon atom of a six-membered aromatic ring
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- C10M129/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen
- 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
- C10M129/26—Carboxylic acids; Salts thereof
- C10M129/28—Carboxylic acids; Salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
- C10M129/30—Carboxylic acids; Salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having 7 or less carbon atoms
- C10M129/32—Carboxylic acids; Salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having 7 or less carbon atoms monocarboxylic
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- C10M129/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen
- 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
- C10M129/26—Carboxylic acids; Salts thereof
- C10M129/28—Carboxylic acids; Salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
- C10M129/30—Carboxylic acids; Salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having 7 or less carbon atoms
- C10M129/34—Carboxylic acids; Salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having 7 or less carbon atoms polycarboxylic
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- C10M129/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen
- 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
- C10M129/26—Carboxylic acids; Salts thereof
- C10M129/28—Carboxylic acids; Salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
- C10M129/38—Carboxylic acids; Salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having 8 or more carbon atoms
- C10M129/40—Carboxylic acids; Salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having 8 or more carbon atoms monocarboxylic
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- C10M129/26—Carboxylic acids; Salts thereof
- C10M129/28—Carboxylic acids; Salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
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- C10M129/42—Carboxylic acids; Salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having 8 or more carbon atoms polycarboxylic
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- C10M129/26—Carboxylic acids; Salts thereof
- C10M129/48—Carboxylic acids; Salts thereof having carboxyl groups bound to a carbon atom of a six-membered aromatic ring
- C10M129/52—Carboxylic acids; Salts thereof having carboxyl groups bound to a carbon atom of a six-membered aromatic ring polycarboxylic
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- C10M129/68—Esters
- C10M129/70—Esters of monocarboxylic acids
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- C10M133/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen
- C10M133/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen having a carbon chain of less than 30 atoms
- C10M133/04—Amines, e.g. polyalkylene polyamines; Quaternary amines
- C10M133/12—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to a carbon atom of a six-membered aromatic ring
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- C10M133/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen having a carbon chain of less than 30 atoms
- C10M133/30—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen having a carbon chain of less than 30 atoms containing a nitrogen-to-oxygen bond
- C10M133/32—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen having a carbon chain of less than 30 atoms containing a nitrogen-to-oxygen bond containing a nitro group
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- C10M133/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen having a carbon chain of less than 30 atoms
- C10M133/38—Heterocyclic nitrogen compounds
- C10M133/40—Six-membered ring containing nitrogen and carbon only
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- C10M133/44—Five-membered ring containing nitrogen and carbon only
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- C10M135/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing sulfur, selenium or tellurium
- C10M135/02—Sulfurised compounds
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- C10M135/02—Sulfurised compounds
- C10M135/06—Esters, e.g. fats
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- C10M137/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing phosphorus having no phosphorus-to-carbon bond
- C10M137/04—Phosphate esters
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- C10M137/08—Ammonium or amine salts
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- C10M137/10—Thio derivatives
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- C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
- C10M2223/04—Phosphate esters
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- C10M2223/04—Phosphate esters
- C10M2223/042—Metal salts thereof
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- C10M2223/043—Ammonium or amine salts thereof
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- C10M2223/04—Phosphate esters
- C10M2223/045—Metal containing thio derivatives
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- C10M2223/047—Thioderivatives not containing metallic elements
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- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2010/00—Metal present as such or in compounds
- C10N2010/02—Groups 1 or 11
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- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/02—Bearings
Definitions
- This invention relates to a lubricant composition and is particularly concerned with a transmission lubricant suitable, for example, for helicopter transmission systems.
- the present invention provides a lubricant composition
- a lubricant composition comprising:
- a base component comprising one or more synthetic base stocks, which base component has a viscosity in the range of from 5.0 to 10.0 cSt at 100°C;
- At least one antioxidant selected from aromatic amines and hindered phenolics
- x+y+z is an integer in the range from 2 to 22 inclusive and where at least one of the groups R, to R 5 is a carboxylic acid group and the remaining groups R, to R 5 are selected from alkyl, hydroxy, nitro, amino, carboxyl, hydrogen or alkyl derivatives thereof, where alkyl is a short chain of up to 5 carbon atoms; and/or a dicarboxylic acid of one of the three formulae
- R t is -COOH, alkyl, hydroxy, nitro, amino, hydrogen or alkyl derivatives thereof; R is -COOH; and n is an integer from 1 to 4 inclusive when R is -COOH or an integer from 2 to 4 inclusive when R, is not -COOH.
- R is -COOH or alkyl derivatives thereof, or short chain alkyl of up to 5 carbon atoms; n is zero or an integer between 1 and 3 inclusive; and Rf is hydrogen, mo ⁇ hilino, alkyl, amido, amino, hydroxy or alkyl or aryl substituted derivatives thereof; or a triazole selected from 1,2,4 triazole, 1,2,3 triazole, 5-anilo- 1,2,3, 4-thiatriazole, 3-amino- 1,2,4 triazole, 1 -H-benzotriazole- 1 -yl-methylisocy anide, methylene-bis-benzotriazole and naphthotriazole; and
- At least one base stock of the base component is preferably a synthetic ester base stock, especially a polyol ester base stock.
- the synthetic polyolester which preferably forms a base stock of the lubricating composition of the present invention may be made from C 5 to C, 2 monocarboxylic acids esterified with polyols or polyol ethers such as neopentylglycol, dimethylolpropane, trimethylolpropane, pentaerythritol or dipentaerythritol. These are conventional synthetic ester base stocks.
- Preferred esters are those which are described in U.S. Patent 4826633.
- the viscosity may be adjusted to lie within the required range by inclusion of one or more viscosity index improvers.
- the base component preferably has a viscosity in the range of 8.5 to 9.5 cSt, more preferably 8.75 to 9.25 cSt at 100°C.
- the base component may comprise a single polyol ester but is more usually a mixture of polyol esters, for example, a mixture of a polyol ester having a viscosity of about 4.0 cSt at 100°C with a polyol ester having a viscosity of about 12.0 cSt at 100°C.
- Preferred synthetic polyol esters are reaction products of pentaerythritol and/or trimethylolpropane and an acid mixture comprising C 5 to C I0 straight and branched chain acids.
- the antioxidant component b) may be a hindered phenolic antioxidant such as butylated hydroxytoluene, suitably present in an amount of 0.01 to 5%, preferably 0.4 to 0.8%, by weight of the lubricant composition.
- component b) may comprise an aromatic amine antioxidant such as mono-octylphenylalphanapthylamine or p,p-dioctyldiphenylamine, used singly or in admixture.
- the amine anti-oxidant component is suitably present in a range of from 0.01 to 5% by weight of the lubricant composition, more preferably 0.5 to 1.5%.
- the neutral organic phosphate which forms component c) of the formulation may be present in an amount of 0.01 to 4%, preferably 1.5 to 2.5% by weight of the composition.
- the neutral organic phosphate is also a conventional ingredient of lubricating compositions and any such neutral organic phosphate falling within the formula as previously defined may be employed.
- Tri-cresyl phosphate is a preferred phosphate for use in the present invention.
- Components d), e) and f) are intended to provide a corrosion inhibiting three component system. The combination has been found to enable the provision of lubricant compositions capable of passing United States Navy corrosion inhibition requirements (Ball Corrosion Test - ARP 4249) in which a result of 50% non corroded specimen is deemed a satisfactory corrosion protection requirement.
- the dicarboxylic acid forming the first component of the anti-corrosion combination may be any dicarboxylic acid falling within the definition given hereinbefore.
- the dicarboxylic acid may be present in a proportion of up to 0.15% by weight of the composition. It should be noted however, that it is desirable that sebacic acid or an equivalent thereof should always be present in the composition even if another dicarboxylic acid falling within the above definition is present because sebacic acid or an equivalent of it may be necessary to meet parts of the specification other than the ball corrosion test, for example, for satisfactory lead corrosion resistance.
- dibasic acids other than sebacic acids, which may be used in the present invention, are adipic acid, azelaic acid, dodecanedioic acid, 3-methyladipic acid, 3-nitrophthalic acid, 1,10-decanedicarboxylic acid, and fumaric acid.
- the second component of the anti-corrosion combination is a straight or branch-chained, saturated or unsaturated monocarboxylic acid or ester thereof which may optionally be sulphurised in an amount up to 35% by weight.
- the acid is a C 4 to C 22 straight chain unsaturated monocarboxylic acid.
- the preferred concentration of this additive is from 0.001% to 0.35% by weight of the total lubricant composition.
- the preferred monocarboxylic acid is sulphurised oleic acid.
- other suitable materials are oleic acid itself; valeric acid and erucic acid.
- the third component of the anti-corrosion combination is a triazole as previously defined.
- the triazole should be used at a concentration from 0.005% to 0.25% by weight of the total composition.
- the preferred triazole is benzotriazole.
- Component g) of the composition comprises at least one phosphorus containing extreme pressure additive.
- additives are amine phosphate extreme pressure additives such as that known under the trade name IRGALUBE 349 and/or triphenyl phosphorothionate extreme pressure/anti-wear additives such as that known under the trade name IRGALUBE TPPT.
- amine phosphates are suitably present in an amount of from 0.01 to 2%, preferably 0.2 to 0.6% by weight of the lubricant composition while such phosphorothionates are suitably present in an amount of from 0.01 to 3%, preferably 0.5 to 1.5% by weight of the lubricant composition.
- a mixture of an amine phosphate and phosphorothionate is employed.
- the amounts of the additive are selected so as to comply with the United States Navy requirement for the Ryder gear test, conducted at 100°C, (average of 6 runs) of 200 (relative rating, % Herco A as reference fluid).
- the resulting composition was found to give a value of 204.7 in the Ryder gear test, 100°C (as relative rating, % Herco A) and pass rating in the Ball Corrosion Test (in accordance with ARP method 4249).
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Lubricants (AREA)
Abstract
Description
Claims
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT95916764T ATE190997T1 (en) | 1994-04-26 | 1995-04-25 | LUBRICANT COMPOSITION |
JP52748095A JP3780323B2 (en) | 1994-04-26 | 1995-04-25 | Lubricant composition |
EP95916764A EP0757712B1 (en) | 1994-04-26 | 1995-04-25 | Lubricant composition |
DE69515861T DE69515861T2 (en) | 1994-04-26 | 1995-04-25 | LUBRICANT COMPOSITION |
AU23135/95A AU695511B2 (en) | 1994-04-26 | 1995-04-25 | Lubricant composition |
DK95916764T DK0757712T3 (en) | 1994-04-26 | 1995-04-25 | Lubricant |
KR1019960705962A KR100339777B1 (en) | 1994-04-26 | 1995-04-25 | Lubricant Composition |
CA002188936A CA2188936A1 (en) | 1994-04-26 | 1995-04-25 | Lubricant composition |
GR20000401436T GR3033741T3 (en) | 1994-04-26 | 2000-06-21 | Lubricant composition |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9408235A GB9408235D0 (en) | 1994-04-26 | 1994-04-26 | Lubricant composition |
GB9408235.1 | 1994-04-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1995029214A1 true WO1995029214A1 (en) | 1995-11-02 |
Family
ID=10754127
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/GB1995/000941 WO1995029214A1 (en) | 1994-04-26 | 1995-04-25 | Lubricant composition |
Country Status (15)
Country | Link |
---|---|
EP (1) | EP0757712B1 (en) |
JP (1) | JP3780323B2 (en) |
KR (1) | KR100339777B1 (en) |
CN (1) | CN1043053C (en) |
AT (1) | ATE190997T1 (en) |
AU (1) | AU695511B2 (en) |
CA (1) | CA2188936A1 (en) |
DE (1) | DE69515861T2 (en) |
DK (1) | DK0757712T3 (en) |
ES (1) | ES2148513T3 (en) |
GB (1) | GB9408235D0 (en) |
GR (1) | GR3033741T3 (en) |
NZ (1) | NZ284520A (en) |
PT (1) | PT757712E (en) |
WO (1) | WO1995029214A1 (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6043199A (en) * | 1997-08-26 | 2000-03-28 | Exxon Research And Engineering Co. | Corrosion inhibiting additive combination for turbine oils |
EP0952207A3 (en) * | 1998-03-24 | 2000-04-19 | Exxon Research And Engineering Company | Sulpur-free lubricating composition |
US6074992A (en) * | 1999-02-02 | 2000-06-13 | Union Carbide Chemicals & Plastics Technology Corporation | Functional fluid compositions |
CN1314787C (en) * | 2000-02-09 | 2007-05-09 | 西铁城钟表股份有限公司 | Lubricating oil compositions and watch containing the same |
GB2444841A (en) * | 2006-12-11 | 2008-06-18 | Afton Chemical Corp | Lubricating composition |
US7648948B2 (en) | 2005-04-08 | 2010-01-19 | Exxonmobil Chemical Patents Inc. | Additive system for lubricants |
EP2428552B1 (en) | 2009-05-08 | 2015-07-01 | Idemitsu Kosan Co., Ltd. | Biodegradable lubricant composition |
JP2016160326A (en) * | 2015-02-27 | 2016-09-05 | 出光興産株式会社 | Biodegradable lubricant composition |
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JP2000169871A (en) * | 1998-12-08 | 2000-06-20 | Nippon Mitsubishi Oil Corp | Lubricant oil composition |
US6573223B1 (en) * | 2002-03-04 | 2003-06-03 | The Lubrizol Corporation | Lubricating compositions with good thermal stability and demulsibility properties |
GB0226726D0 (en) * | 2002-11-15 | 2002-12-24 | Bp Oil Int | Method |
CN106590869A (en) * | 2016-11-28 | 2017-04-26 | 广西大学 | Total synthesis four-bar linkage rocking block mechanism thermomotor lubricant composition |
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DE2039785A1 (en) * | 1969-08-12 | 1971-02-25 | Stauffer Chemical Co | Lubricant additive and its use in lubricants for gas turbines |
US3694382A (en) * | 1969-07-10 | 1972-09-26 | Ethyl Corp | Ester lubricant |
FR2215462A1 (en) * | 1973-01-25 | 1974-08-23 | Exxon Research Engineering Co | |
WO1994010270A1 (en) * | 1992-10-30 | 1994-05-11 | Castrol Limited | Corrosion inhibiting lubricant composition |
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CN1030934A (en) * | 1987-07-30 | 1989-02-08 | 钱江宁 | Speed car braking fluid and production method thereof |
US4981602A (en) * | 1988-06-13 | 1991-01-01 | The Lubrizol Corporation | Lubricating oil compositions and concentrates |
CN1070679A (en) * | 1991-09-17 | 1993-04-07 | 岳江 | Synthetic brake oil and method for making thereof |
-
1994
- 1994-04-26 GB GB9408235A patent/GB9408235D0/en active Pending
-
1995
- 1995-04-25 EP EP95916764A patent/EP0757712B1/en not_active Expired - Lifetime
- 1995-04-25 PT PT95916764T patent/PT757712E/en unknown
- 1995-04-25 AU AU23135/95A patent/AU695511B2/en not_active Ceased
- 1995-04-25 JP JP52748095A patent/JP3780323B2/en not_active Expired - Fee Related
- 1995-04-25 DK DK95916764T patent/DK0757712T3/en active
- 1995-04-25 WO PCT/GB1995/000941 patent/WO1995029214A1/en active IP Right Grant
- 1995-04-25 CA CA002188936A patent/CA2188936A1/en not_active Abandoned
- 1995-04-25 KR KR1019960705962A patent/KR100339777B1/en not_active IP Right Cessation
- 1995-04-25 NZ NZ284520A patent/NZ284520A/en not_active IP Right Cessation
- 1995-04-25 ES ES95916764T patent/ES2148513T3/en not_active Expired - Lifetime
- 1995-04-25 AT AT95916764T patent/ATE190997T1/en not_active IP Right Cessation
- 1995-04-25 DE DE69515861T patent/DE69515861T2/en not_active Expired - Lifetime
- 1995-04-25 CN CN95193446A patent/CN1043053C/en not_active Expired - Fee Related
-
2000
- 2000-06-21 GR GR20000401436T patent/GR3033741T3/en unknown
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US3694382A (en) * | 1969-07-10 | 1972-09-26 | Ethyl Corp | Ester lubricant |
DE2039785A1 (en) * | 1969-08-12 | 1971-02-25 | Stauffer Chemical Co | Lubricant additive and its use in lubricants for gas turbines |
FR2215462A1 (en) * | 1973-01-25 | 1974-08-23 | Exxon Research Engineering Co | |
WO1994010270A1 (en) * | 1992-10-30 | 1994-05-11 | Castrol Limited | Corrosion inhibiting lubricant composition |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6043199A (en) * | 1997-08-26 | 2000-03-28 | Exxon Research And Engineering Co. | Corrosion inhibiting additive combination for turbine oils |
EP0952207A3 (en) * | 1998-03-24 | 2000-04-19 | Exxon Research And Engineering Company | Sulpur-free lubricating composition |
US6074992A (en) * | 1999-02-02 | 2000-06-13 | Union Carbide Chemicals & Plastics Technology Corporation | Functional fluid compositions |
CN1314787C (en) * | 2000-02-09 | 2007-05-09 | 西铁城钟表股份有限公司 | Lubricating oil compositions and watch containing the same |
US7648948B2 (en) | 2005-04-08 | 2010-01-19 | Exxonmobil Chemical Patents Inc. | Additive system for lubricants |
US7902132B2 (en) | 2005-04-08 | 2011-03-08 | The Lubrizol Corporation | Additive system for lubricants |
GB2444841A (en) * | 2006-12-11 | 2008-06-18 | Afton Chemical Corp | Lubricating composition |
GB2444841B (en) * | 2006-12-11 | 2010-02-10 | Afton Chemical Corp | Lubricating composition |
EP2428552B1 (en) | 2009-05-08 | 2015-07-01 | Idemitsu Kosan Co., Ltd. | Biodegradable lubricant composition |
JP2016160326A (en) * | 2015-02-27 | 2016-09-05 | 出光興産株式会社 | Biodegradable lubricant composition |
EP3263677A4 (en) * | 2015-02-27 | 2018-07-25 | Idemitsu Kosan Co.,Ltd. | Biodegradable lubricating oil composition |
Also Published As
Publication number | Publication date |
---|---|
NZ284520A (en) | 1997-09-22 |
ES2148513T3 (en) | 2000-10-16 |
EP0757712B1 (en) | 2000-03-22 |
DK0757712T3 (en) | 2000-08-28 |
CA2188936A1 (en) | 1995-11-02 |
EP0757712A1 (en) | 1997-02-12 |
JP3780323B2 (en) | 2006-05-31 |
JPH10503535A (en) | 1998-03-31 |
DE69515861T2 (en) | 2000-12-07 |
KR100339777B1 (en) | 2002-11-13 |
AU695511B2 (en) | 1998-08-13 |
CN1043053C (en) | 1999-04-21 |
DE69515861D1 (en) | 2000-04-27 |
PT757712E (en) | 2000-09-29 |
GB9408235D0 (en) | 1994-06-15 |
CN1151174A (en) | 1997-06-04 |
ATE190997T1 (en) | 2000-04-15 |
GR3033741T3 (en) | 2000-10-31 |
AU2313595A (en) | 1995-11-16 |
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