EP0578642A4 - Lubricating oil composition - Google Patents
Lubricating oil compositionInfo
- Publication number
- EP0578642A4 EP0578642A4 EP19920904376 EP92904376A EP0578642A4 EP 0578642 A4 EP0578642 A4 EP 0578642A4 EP 19920904376 EP19920904376 EP 19920904376 EP 92904376 A EP92904376 A EP 92904376A EP 0578642 A4 EP0578642 A4 EP 0578642A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- lubricating oil
- molecular weight
- medium molecular
- oil composition
- weight paraffin
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
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
- C10M159/00—Lubricating compositions characterised by the additive being of unknown or incompletely defined constitution
- C10M159/02—Natural products
- C10M159/04—Petroleum fractions, e.g. tars, solvents
-
- 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
- C10M101/00—Lubricating compositions characterised by the base-material being a mineral or fatty oil
- C10M101/02—Petroleum fractions
- C10M101/025—Petroleum fractions waxes
-
- 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
- C10M127/00—Lubricating compositions characterised by the additive being a non- macromolecular hydrocarbon
- C10M127/02—Lubricating compositions characterised by the additive being a non- macromolecular hydrocarbon well-defined aliphatic
-
- 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
- C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
- C10M2203/02—Well-defined aliphatic compounds
-
- 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
- C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
- C10M2203/02—Well-defined aliphatic compounds
- C10M2203/022—Well-defined aliphatic compounds saturated
-
- 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
- C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
- C10M2203/02—Well-defined aliphatic compounds
- C10M2203/024—Well-defined aliphatic compounds unsaturated
-
- 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
- C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
- C10M2203/04—Well-defined cycloaliphatic compounds
-
- 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
- C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
- C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
-
- 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
- C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
- C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
- C10M2203/102—Aliphatic fractions
-
- 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
- C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
- C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
- C10M2203/104—Aromatic fractions
-
- 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
- C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
- C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
- C10M2203/106—Naphthenic fractions
-
- 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
- C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
- C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
- C10M2203/108—Residual fractions, e.g. bright stocks
-
- 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
- C10M2205/14—Synthetic waxes, e.g. polythene waxes
-
- 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
- C10M2205/16—Paraffin waxes; Petrolatum, e.g. slack wax
-
- 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
-
- 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
- C10M2290/00—Mixtures of base materials or thickeners or additives
- C10M2290/02—Mineral base oils; Mixtures of fractions
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/04—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/04—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives
- C10N2040/042—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives for automatic transmissions
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/04—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives
- C10N2040/044—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives for manual transmissions
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/04—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives
- C10N2040/046—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives for traction drives
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/06—Instruments or other precision apparatus, e.g. damping fluids
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/08—Hydraulic fluids, e.g. brake-fluids
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/25—Internal-combustion engines
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/25—Internal-combustion engines
- C10N2040/251—Alcohol fueled engines
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/25—Internal-combustion engines
- C10N2040/255—Gasoline engines
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/25—Internal-combustion engines
- C10N2040/255—Gasoline engines
- C10N2040/28—Rotary engines
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2050/00—Form in which the lubricant is applied to the material being lubricated
- C10N2050/10—Semi-solids; greasy
Definitions
- the present invention relates to lubricating oil compositions.
- Crude oils contain a number of broad classes of hydrocarbons, the proportions of which vary greatly from oil to oil.
- Branched alkanes include iso- and anteiso alkanes, and linear derivates of isoprene such as phytane and pristane and degradation products from molecules such as carotene. These compounds have low melting points and so confer low pour points on lubricating oils. They are also stable to degradation by heat and oxygen and have high viscosity indexes, so this iso-paraffin group is the preferred feedstock for lube oil manufactur .
- n-Alkanes (b) n-Alkanes.
- the paraffins have similar properties to the iso-paraffins, except that, due to their higher melting points, they raise the pour point of a lube oil.
- the naphthenics contain five- membered and six-membered rings with alkyl side chains. They lower the pour point of an oil but they have a low viscosity index.
- a manufacturer will select feeds which have appropriate molecular weight ranges and are rich in the desired classes of hydrocarbons (iso-paraffins) , and low in aromatics, ONS compounds, and paraffins so that production costs can be kept low. Crudes such as those from Pennyslvania which are ideal for lube oil manufacture are being depleted, so now most manufacturers use a feed stock mix which is carefully selected to meet the product mix required by the market. Some manufacturers upgrade their feedstock by using a severe hydrogenation/hydrogenolysis process called hydrocracking to remove sulphur, aromatics, and to open rings and crack larger molecules.
- the desired oily alkane material is extracted from the viscous bottoms product from the vacuum tower using liquid propane (high pressure, 65°C) in a propane de- asphalting plant.
- propane high pressure, 65°C
- the more polar, high molecular weight polycyclic aromatics are less soluble in liquid propane than are the alkane (paraffin) components and are removed as a hard sludge. Evaporation of the propane leaves the heaviest grade of lubricating oil which is usually referred to as "bright stock".
- n-Alkanes normal paraffins
- a suitable solvent such as a methylethylketone-toluene mixture and chilling 5-10°C below the required pour point.
- the n-alkanes are precipitated as "slack wax" which is separated by continuous filtration.
- the final stage in manufacture of the base stocks is hydrogenation to convert small amounts of dark-coloured unsaturated material into saturated material and to remove sulphur from sulphur compounds present in the oil.
- Lubricating oils are finally prepared by blending base stocks to give oil of the desired viscosity range, then introducing many additives to improve the life and performance of the oil.
- lubricating oils derived from crude oil is particularly complex.
- Normally lubricating oils contain a high proportion of naphthenic or paraffinic compounds.
- the hydrocarbons comprising a typical lubricating oil may have from 20 to 70 carbon atoms.
- Usually the hydrocarbons contained in lubricating oil have very few olefinic bonds. However there may be a significant proportion of hydrocarbons exhibiting aromatic unsaturation.
- a further description of base lubricating oils can be found in an article by D.V. Brock published in "Lubricant Engineering" Volume 43 pages 184-185 March 1987.
- the present invention is based on the discovery that the performance of lubricating oil compositions can be significantly improved by the addition of small amounts of a medium molecular weight paraffin to lubricating oil.
- the present invention provides a lubricating oil composition containing an effective quantity of a medium molecular weight paraffin (MMWP) .
- MMWP medium molecular weight paraffin
- the medium molecular weight paraffin may comprise from 10 to 20 carbon atoms, from 10 to 19 carbon atoms or from 10 to 17 carbon atoms but preferably it comprises from 10 to 15 carbon atoms.
- the composition may contain as little as 0.1% by volume of MMWP for an improvement in performance to be observed.
- the lubricating oil composition of the present invention contains from 0.5% to 1% by volume of a MMWP. Best results have been obtained with about 0.6% by volume MMWP.
- MMWP's are normally derived from the processing of crude oils. Normally they are produced during the initial atmospheric distillation of a crude oil and are characterised as hydrocarbons having a boiling point in the range from 150 to 335°C.
- compositions of the present invention may be prepared as compositions ready for use or as concentrates for premixing or mixing in situ e.g. in the sump of an engine. Concentrates may contain as much as 25% of the additive. The effective amount of additive required depends on the ultimate purpose for its inclusion and may also depend upon the additive selected.
- Shellsol T is characterised as a solvent having the following properties-:
- Shell P874 and P878 are technical white oils comprising a mixture of paraffins and naphthenes. Paraffins of medium molecular weight include dodecane, hexadecane, octadecane and cosane.
- the lubricating oil compositions of the present invention are based on lubricating oil compositions that are normally commercially available. These compositions may include various additives such as dispersants, detergents, oxidation inhibitors, foam inhibitors, pour point depressants and viscosity improvers.
- composition of the present invention may also be incorporated into a grease composition with corresponding improvements in performance.
- Grease compositions normally comprise a metallic soap and a lubricating oil.
- International Patent Application No. PCT/US89/05467 discloses lubricating oil compositions containing minute quantities of kerosene, the purpose of which is to carry silicone antifoa formulations into solution in a lubricating oil composition.
- the quantities of medium molecular weight paraffins contained in the composition would be insufficient to be effective in the performance of the present invention.
- the MMWP needs to comprise at least 0.1% to 0.5% by volume of the lubricating oil composition to be effective.
- kerosenes frequently contain substantial proportions of aromatics which may negate the effect of the medium molecular weight paraffin.
- compositions of the present invention provide a number of significant advantages over the existing formulations. These include the following.
- the present invention also includes within its scope methods for any one or more of the following: a. reducing varnishing in an engine; b. reducing sludging in an engine; c. reducing the production of harmful chemical by-products in an engine; d. improving seal life in an engine; and e. reducing glazing in an engine by incorporating an effective amount of a medium molecular weight paraffin into lubricating oil used in the engine. Benefits provided by the present invention are illustrated by the accompanying comparative examples. Example 1
- the performance of the compositions of the present invention was compared with the performance of the compositions without the additive of the present invention using a pin on ball testing machine.
- the pin on ball testing machine comprises an electric motor driving a single shaft through a set of pulleys.
- a rotatable disc having a diameter of approximately 4cm is attached to the shaft and is rotated at a speed of 1200 - 1500 rpm.
- a separate shaft is pivoted at one end of the apparatus so that a hardened steel bearing element can be applied to the rotating disc.
- a torque wrench type configuration fitted to the pivoted shaft is used to determine the load applied to the rotating disc by the hardened steel bearing element.
- Lubricant under test was applied to the bearing surface by splashing lubricant from a bath held at a base of the rotating disc.
- Youngs 303 which is a lubricating oil used in cleaning guns.
- Gas chromatographic analysis of Youngs 303 revealed that it is a mixture of a lubricating oil and another hydrocarbon fraction of slightly higher boiling point than kerosene.
- the kerosene like fraction had major components of carbon chain length 11 to 13.
- the kerosene like fraction comprised approximately 50% of the "Youngs 303".
- the dynamometer consistently indicated that the lubricating oil compositions of the present invention resulted in an idle speed that was consistently 125 rpm greater than that for the base lubricating oil.
- the lubricating oil composition of the present invention was compared with a base lubricating oil over a range of engine speeds.
- the additive used was Shellsol T in the ratio 1:160.
- the engine used was a Caterpillar (Model 3406) six cylinder 400 horsepower engine.
- the results of the test are shown in Tables 4 and 5.
- Table 4 illustrates the performance of the engine using the base lubricating oil composition
- Table 5 illustrates the performance of the same engine using a lubricating oil composition of the present invention.
Abstract
Description
Claims
Applications Claiming Priority (13)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AUPK442591 | 1991-02-04 | ||
AU442591 | 1991-02-04 | ||
AU4425/91 | 1991-02-04 | ||
AU925991 | 1991-11-04 | ||
AUPK925991 | 1991-11-04 | ||
AU9259/91 | 1991-11-04 | ||
AU9994/91 | 1991-12-13 | ||
AU999491 | 1991-12-13 | ||
AUPK999491 | 1991-12-13 | ||
AU53192 | 1992-01-23 | ||
AUPL053192 | 1992-01-23 | ||
AU531/92 | 1992-01-23 | ||
PCT/AU1992/000034 WO1992013932A1 (en) | 1991-02-04 | 1992-02-04 | Lubricating oil composition |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0578642A1 EP0578642A1 (en) | 1994-01-19 |
EP0578642A4 true EP0578642A4 (en) | 1994-05-25 |
EP0578642B1 EP0578642B1 (en) | 2002-10-02 |
Family
ID=27424306
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP92904376A Expired - Lifetime EP0578642B1 (en) | 1991-02-04 | 1992-02-04 | Lubricating oil composition |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0578642B1 (en) |
JP (1) | JPH06506237A (en) |
AT (1) | ATE225389T1 (en) |
AU (1) | AU1204592A (en) |
BR (1) | BR9205586A (en) |
DE (1) | DE69232795D1 (en) |
WO (1) | WO1992013932A1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007114505A1 (en) | 2006-03-31 | 2007-10-11 | Nippon Oil Corporation | Polyfunctional hydrocarbon oil composition |
JP5150060B2 (en) * | 2006-03-31 | 2013-02-20 | Jx日鉱日石エネルギー株式会社 | Electrical discharge machining oil composition |
JP5265087B2 (en) * | 2006-03-31 | 2013-08-14 | Jx日鉱日石エネルギー株式会社 | Rust prevention oil composition |
JP5102965B2 (en) * | 2006-03-31 | 2012-12-19 | Jx日鉱日石エネルギー株式会社 | Metalworking oil composition |
JP5102966B2 (en) * | 2006-03-31 | 2012-12-19 | Jx日鉱日石エネルギー株式会社 | Metalworking oil composition |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1966111A (en) * | 1930-01-20 | 1934-07-10 | Standard Oil Dev Co | Lubricating oil and method of making the same |
DE2607614A1 (en) * | 1975-06-13 | 1976-12-23 | Empresa Nacional Aluminio | Cold rolling of aluminium sheet using n-paraffin as lubricant - pref. using very pure n-tetradecane contg. conventional additives |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2278758A1 (en) * | 1974-07-17 | 1976-02-13 | Exxon Research Engineering Co | COMPOSITION OF HYDROCARBON OIL FOR HYDRAULIC FLUIDS |
GB1572794A (en) * | 1975-12-16 | 1980-08-06 | Shell Int Research | Baseoil compositions |
DD209846A1 (en) * | 1982-09-20 | 1984-05-23 | Petrolchemisches Kombinat | LUBRICANT ACCESSORIES FOR IMPROVING THE AIR DETERGENT ASSET |
DE3544619A1 (en) * | 1985-12-17 | 1987-06-19 | Bayer Ag | COLORED SILICONE MATERIALS |
GB2224287B (en) * | 1987-12-07 | 1991-03-27 | Nippon Oil Co Ltd | Lubricants for traction drives |
US4882077A (en) * | 1988-03-09 | 1989-11-21 | W. R. Grace & Co.-Conn. | Metalworking fluid |
DD280545A1 (en) * | 1989-03-14 | 1990-07-11 | Akad Wissenschaften Ddr | LIQUID PRESSURE TRANSFER AGENT FOR HIGH-PRESSURE HIGH-TEMPERATURE LOADS |
-
1992
- 1992-02-04 WO PCT/AU1992/000034 patent/WO1992013932A1/en active IP Right Grant
- 1992-02-04 JP JP4503865A patent/JPH06506237A/en active Pending
- 1992-02-04 EP EP92904376A patent/EP0578642B1/en not_active Expired - Lifetime
- 1992-02-04 DE DE69232795T patent/DE69232795D1/en not_active Expired - Lifetime
- 1992-02-04 AU AU12045/92A patent/AU1204592A/en not_active Abandoned
- 1992-02-04 BR BR9205586A patent/BR9205586A/en not_active Application Discontinuation
- 1992-02-04 AT AT92904376T patent/ATE225389T1/en not_active IP Right Cessation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1966111A (en) * | 1930-01-20 | 1934-07-10 | Standard Oil Dev Co | Lubricating oil and method of making the same |
DE2607614A1 (en) * | 1975-06-13 | 1976-12-23 | Empresa Nacional Aluminio | Cold rolling of aluminium sheet using n-paraffin as lubricant - pref. using very pure n-tetradecane contg. conventional additives |
Also Published As
Publication number | Publication date |
---|---|
ATE225389T1 (en) | 2002-10-15 |
WO1992013932A1 (en) | 1992-08-20 |
BR9205586A (en) | 1994-09-27 |
AU1204592A (en) | 1992-09-07 |
DE69232795D1 (en) | 2002-11-07 |
JPH06506237A (en) | 1994-07-14 |
EP0578642B1 (en) | 2002-10-02 |
EP0578642A1 (en) | 1994-01-19 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA1225984A (en) | Lubricants containing triglycerides as their main constituent | |
US9034808B2 (en) | Universal synthetic lubricant additive with micro lubrication technology to be used with synthetic or miner host lubricants from automotive, trucking, marine, heavy industry to turbines including, gas, jet and steam | |
DE850047C (en) | Greases | |
CA2496921C (en) | Synthetic lubricant additive | |
Donahue | Lubricating grease: a chemical primer | |
EP0578642B1 (en) | Lubricating oil composition | |
US2316078A (en) | Lubricant | |
US6093861A (en) | Lubricating oil composition | |
US6156709A (en) | Lubricating oil composition | |
AU717370B2 (en) | Lubricating oil composition | |
CA2117439C (en) | Lubricating oil composition | |
US2732346A (en) | Sulfurized hydrocarbon lubricant additive | |
GB2024853A (en) | Synergistic lubricating compositions | |
CA2101928A1 (en) | Lubricating oil composition | |
JPH07502296A (en) | Lubricating oil to suppress rust formation | |
JPS60161486A (en) | Lubrication oil composition for white metal bearing | |
CN106085561A (en) | A kind of low temperature resistant high wearproof lubricant of mineral oil base | |
CN104449967A (en) | Mechanical lubricating oil and preparation method thereof | |
EP0195674B1 (en) | Extreme pressure additive for use in metal lubrication | |
CN104593118A (en) | Lubricating oil production method | |
US2206025A (en) | Carbon solvent and lubricant | |
Thomsen | The Practice of Lubrication: An Engineering Treatise on the Origin, Nature and Testing of Lubicants, Their Selection, Application and Use | |
US2047780A (en) | Manufacture of lubricating oils | |
JPH0216194A (en) | Lubricating oil composition for plain bearing | |
US2816868A (en) | Lubricating oil compositions |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 19930909 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE CH DE DK ES FR GB GR IT LI LU MC NL SE |
|
A4 | Supplementary search report drawn up and despatched |
Effective date: 19940408 |
|
AK | Designated contracting states |
Kind code of ref document: A4 Designated state(s): AT BE CH DE DK ES FR GB GR IT LI LU MC NL SE |
|
17Q | First examination report despatched |
Effective date: 19980909 |
|
GRAG | Despatch of communication of intention to grant |
Free format text: ORIGINAL CODE: EPIDOS AGRA |
|
GRAG | Despatch of communication of intention to grant |
Free format text: ORIGINAL CODE: EPIDOS AGRA |
|
GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
|
GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): AT BE CH DE DK ES FR GB GR IT LI LU MC NL SE |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: NL Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20021002 Ref country code: LI Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20021002 Ref country code: IT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRE;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED.SCRIBED TIME-LIMIT Effective date: 20021002 Ref country code: GR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20021002 Ref country code: FR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20021002 Ref country code: CH Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20021002 Ref country code: BE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20021002 Ref country code: AT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20021002 |
|
REF | Corresponds to: |
Ref document number: 225389 Country of ref document: AT Date of ref document: 20021015 Kind code of ref document: T |
|
REG | Reference to a national code |
Ref country code: GB Ref legal event code: FG4D |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: EP |
|
REF | Corresponds to: |
Ref document number: 69232795 Country of ref document: DE Date of ref document: 20021107 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20030102 Ref country code: DK Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20030102 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20030103 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: LU Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20030204 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: MC Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20030228 |
|
NLV1 | Nl: lapsed or annulled due to failure to fulfill the requirements of art. 29p and 29m of the patents act | ||
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: ES Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20030429 |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: PL |
|
EN | Fr: translation not filed | ||
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
26N | No opposition filed |
Effective date: 20030703 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: GB Payment date: 20040205 Year of fee payment: 13 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20050204 |
|
GBPC | Gb: european patent ceased through non-payment of renewal fee |
Effective date: 20050204 |