US3578596A - Penetrating oil formulation - Google Patents

Penetrating oil formulation Download PDF

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US3578596A
US3578596A US739667A US3578596DA US3578596A US 3578596 A US3578596 A US 3578596A US 739667 A US739667 A US 739667A US 3578596D A US3578596D A US 3578596DA US 3578596 A US3578596 A US 3578596A
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composition
penetrating
carbon atoms
lubricating
kerosene
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David D Conway
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Marathon Oil Co
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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
    • C10M169/044—Mixtures of base-materials and additives the additives being a mixture of non-macromolecular and macromolecular 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
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/28—Esters
    • C10M2207/281—Esters of (cyclo)aliphatic monocarboxylic acids
    • 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
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/28—Esters
    • C10M2207/282—Esters of (cyclo)aliphatic oolycarboxylic acids
    • 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
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/28—Esters
    • C10M2207/283—Esters of polyhydroxy 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
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/28—Esters
    • C10M2207/286—Esters of polymerised unsaturated acids
    • 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
    • C10M2229/00—Organic macromolecular compounds containing atoms of elements not provided for in groups C10M2205/00, C10M2209/00, C10M2213/00, C10M2217/00, C10M2221/00 or C10M2225/00 as ingredients in lubricant compositions
    • C10M2229/04—Siloxanes with specific structure
    • C10M2229/041—Siloxanes with specific structure containing aliphatic substituents
    • 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
    • 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
    • C10N2040/30—Refrigerators lubricants or compressors lubricants
    • 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
    • C10N2040/32—Wires, ropes or cables lubricants
    • 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
    • C10N2040/34—Lubricating-sealants
    • 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
    • C10N2040/36—Release agents or mold release agents
    • 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
    • C10N2040/38—Conveyors or chain belts
    • 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
    • C10N2040/40—Generators or electric motors in oil or gas winning field
    • 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
    • C10N2040/42—Flashing oils or marking oils
    • 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
    • C10N2040/44—Super vacuum or supercritical use
    • 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
    • C10N2040/50—Medical uses

Definitions

  • Lubricating compositions having good penetrating characteristics are useful for many purposes. They are especially useful to release seized, rusted, or otherwise frozen nuts, bolts, shafts, etc. Machinery containing such frozen parts can be placed in workable condition by contacting the frozen part with penetrating oil for a limited period of time and then working the frozen part to release it. Many otherwise unusable and discarded pieces of machinery can be renovated by effectively using pentration oils. Also, relatively inaccessible machine parts can be lubricated by penetrating oils,
  • Applicant has discovered a new composition which is useful as a penetrating oil and which is especially useful to release frozen machinery parts.
  • This composition is effected by dissolving an alkyl ester and a dialkylpolysiloxane in a hydrocarbon carrier.
  • the hydrocarbon carrier or penetrator useful in the lubricating oil composition of this invention preferably has a partial pressure of less than about 80 mm. of Hg at 23 C.
  • This can be a mixture of 2 or more hydrocarbon components.
  • useful carriers include mineral spirits (also known as petroleum naphtha), kerosene, light distillates, benzene, toluene, stoddard solvent and cyclohexane.
  • percent composition of the hydrocarbon carrier within the lubrication composition can be within the range of from about 40 to about 95% and more preferably from about 65% to about 85%. More preferably, the hydrocarbon carrier is a blend of kerosene and mineral spirits in amounts ranging from about 5 to about 20% kerosene and from about 45% to about 90% naphtha.
  • the alkyl ester of the carboxylic acid containing from about 8 to about 24 carbon atoms can be present in the lubricating composition within the range of from about 5 to about 40%. Most preferably, this component is at concentration range of from about 10 to about 30%.
  • alkyl esters of carboxylic acids include those defined by the formula:
  • R contains from about 8 to about 24 carbon atoms (can be aliphatic carbon atoms or can contain olefinic groupings), and R is an aliphatic alkyl grouping containing from about 1 to about 4 carbon atoms.
  • alkyl esters of carboxylic acids include butyl laurate, propyl myristate, ethyl palmitate, ethyl stearate, ethyl oleate, ethyl linoliate, ethyl linolenate, methyl stearate, methyl oleate and methyl palmitate.
  • dialkylpolysiloxane can be present in amounts ranging from about 0.1% to about 10% and preferably from about 0.5% to about 3%. Larger amounts can be present, however, the economics may be adversely affected.
  • useful dialkylpolysiloxanes include dimethylpolysiloxane, diethylpolysiloxane, dipropylpolysiloxane, and dibutylpolysiloxane.
  • the dialkylpolysiloxaues useful in this invention are silicone liquids and in general can be identified by the organo siloxane structure:
  • R can be methyl, ethyl, propyl, or butyl.
  • the lubricating composition can contain other additives such as bactericides, corrosion and scale inhibitors, oxidation inhibitors, etc.
  • the dialkylpolysiloxane and alkyl esters of the earboxylic acids are commonly known as release agents and residual lubricants.
  • Components within the lubricating composition can be of character which will impart to the lubricating oil composition a viscosity which is readily fluid at ambient temperature, preferably less than 15 cps. at ambient temperature and most preferably about 0.5 to about 1.0 cp. at 23C. Higher viscosities are also useful, however, at these high viscosities, the penetrating effect of the lubricating composition is adversely affected.
  • Example 1 A lubricating composition having good penetrating and release characteristics is effected by mixing:
  • the dimethylpolysiloxane is obtained from Dow Chemical Company under the trade name of Dow Corning 200 Fluid and has a viscosity of about 50 cs. at 25 C.
  • the composition was applied to the following pieces of frozen machinery and was etfective in releasing or freeing the frozen parts:
  • a lubricating oil composition having good penetrating and release characteristics the composition containmg:
  • R1C-OR2 V wherein R contains from about 8 to about 24 carbon atoms and R is an alkyl grouping containing from about 1 to about 4 carbon atoms, and
  • dialkylpolysiloxane wherein the alkyl grouping contains from about 1 to about 4 aliphatic carbon atoms.
  • composition of claim 1 wherein the hydrocarbon carrier is a mixture of petroleum naphtha and kerosene.
  • composition of claim 1 wherein the alkyl ester of the carboxylic acid is ethyl oleate.
  • dialkylpolysiloxane is dimethylpolysiloxane.
  • Lubricating oil composition having good penetrating and release characteristics, the composition comprised of:

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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)
  • Lubricants (AREA)

Abstract

LUBRICATING OIL COMPOSITION HAVING PENETRATING, RESIDUAL LUBRICATING PROPERTIES, AND RELEASE CHARACTERISTICS IS OBTAINED BY MIXING 40-95% OF HYDROCARBON CARRIER (E.G MIXTURE OF NAPHTHA AND KEROSENE), 5-40% OF AN ALKYL ESTER OF A CARBOXYLIC ACID CONTAINING ABOUT 8-24 CARBON ATOMS, AND ABOUT 0.1% OF DIALKYL POLYSILOXANE.

Description

United States Patent 3,578,596 PENETRATING OIL FORMULATION David D. Conway, Littleton, 'Colo., assignor to Marathon Oil Company, Findlay, Ohio No Drawing. Filed June 25, 1968, Ser. No. 739,667 Int. Cl. C10m 1/50 US. Cl. 252-49.6 8 Claims ABSTRACT OF THE DISCLOSURE Lubricating oil composition having penetrating, residual lubricating properties, and release characteristics is obtained by mixing 4095% of hydrocarbon carrier (e.g mixture of naphtha and kerosene), -40% of an alkyl ester of a carboxylic acid containing about 8-24 carbon atoms, and about 0.1% of dialkyl polysiloxane.
BACKGROUND OF THE INVENTION Lubricating compositions having good penetrating characteristics are useful for many purposes. They are especially useful to release seized, rusted, or otherwise frozen nuts, bolts, shafts, etc. Machinery containing such frozen parts can be placed in workable condition by contacting the frozen part with penetrating oil for a limited period of time and then working the frozen part to release it. Many otherwise unusable and discarded pieces of machinery can be renovated by effectively using pentration oils. Also, relatively inaccessible machine parts can be lubricated by penetrating oils,
Applicant has discovered a new composition which is useful as a penetrating oil and which is especially useful to release frozen machinery parts. This composition is effected by dissolving an alkyl ester and a dialkylpolysiloxane in a hydrocarbon carrier.
BRIEF DESCRIPTION OF THE INVENTION The hydrocarbon carrier or penetrator useful in the lubricating oil composition of this invention preferably has a partial pressure of less than about 80 mm. of Hg at 23 C. This can be a mixture of 2 or more hydrocarbon components. Examples of useful carriers include mineral spirits (also known as petroleum naphtha), kerosene, light distillates, benzene, toluene, stoddard solvent and cyclohexane. Examples of percent composition of the hydrocarbon carrier within the lubrication composition can be within the range of from about 40 to about 95% and more preferably from about 65% to about 85%. More preferably, the hydrocarbon carrier is a blend of kerosene and mineral spirits in amounts ranging from about 5 to about 20% kerosene and from about 45% to about 90% naphtha.
The alkyl ester of the carboxylic acid containing from about 8 to about 24 carbon atoms can be present in the lubricating composition within the range of from about 5 to about 40%. Most preferably, this component is at concentration range of from about 10 to about 30%. Examples of the alkyl esters of carboxylic acids include those defined by the formula:
wherein R contains from about 8 to about 24 carbon atoms (can be aliphatic carbon atoms or can contain olefinic groupings), and R is an aliphatic alkyl grouping containing from about 1 to about 4 carbon atoms. Examples of alkyl esters of carboxylic acids include butyl laurate, propyl myristate, ethyl palmitate, ethyl stearate, ethyl oleate, ethyl linoliate, ethyl linolenate, methyl stearate, methyl oleate and methyl palmitate.
3,578,596 Patented May 11, 1971 The dialkylpolysiloxane can be present in amounts ranging from about 0.1% to about 10% and preferably from about 0.5% to about 3%. Larger amounts can be present, however, the economics may be adversely affected. Examples of useful dialkylpolysiloxanes include dimethylpolysiloxane, diethylpolysiloxane, dipropylpolysiloxane, and dibutylpolysiloxane. The dialkylpolysiloxaues useful in this invention are silicone liquids and in general can be identified by the organo siloxane structure:
wherein R can be methyl, ethyl, propyl, or butyl.
In addition, the lubricating composition can contain other additives such as bactericides, corrosion and scale inhibitors, oxidation inhibitors, etc. The dialkylpolysiloxane and alkyl esters of the earboxylic acids are commonly known as release agents and residual lubricants.
Components within the lubricating composition can be of character which will impart to the lubricating oil composition a viscosity which is readily fluid at ambient temperature, preferably less than 15 cps. at ambient temperature and most preferably about 0.5 to about 1.0 cp. at 23C. Higher viscosities are also useful, however, at these high viscosities, the penetrating effect of the lubricating composition is adversely affected.
The following example is presented to specifically illustrate working embodiments of the invention. This example is not intended to limit the invention, but, it is intended that all equivalents obvious to those skilled in the art be interpreted within the scope of the invention as defined in the specification and appended claims. Unless otherwise specified, percents are based on volume.
Example 1 A lubricating composition having good penetrating and release characteristics is effected by mixing:
( 1) 69% mineral spirits (petroleum naphtha), (2) 10% kerosene,
(3) 20% methyloleate, and
(4) 1% dimethylpolysiloxane.
The dimethylpolysiloxane is obtained from Dow Chemical Company under the trade name of Dow Corning 200 Fluid and has a viscosity of about 50 cs. at 25 C. The composition was applied to the following pieces of frozen machinery and was etfective in releasing or freeing the frozen parts:
(1) A stainless steel pipe in a A" stainless steel pipe coupling.
(2) A 400 series stainless steel plug corroded with iodine in a stainless steel plate.
(3) Carbon steel nut oxidized on a carbon steel bolt.
(4) Rust or oxidized surface on a flat carbon steel plate was removed by rubbing with steel wool the surface coated with the above composition.
(5) A carbon steel shaft frozen in the races of an electrical motor.
What is claimed is:
1. A lubricating oil composition having good penetrating and release characteristics, the composition containmg:
(1) from about 40 to about 95 of hydrocarbon carrier having a partial pressure of less than about mm. of Hg at 23 C.,
3 (2) from about to about 40% of alkyl ester of a carboxylic acid of the formula:
R1C-OR2 V wherein R contains from about 8 to about 24 carbon atoms and R is an alkyl grouping containing from about 1 to about 4 carbon atoms, and
(3) from about 0.1% to about of dialkylpolysiloxane wherein the alkyl grouping contains from about 1 to about 4 aliphatic carbon atoms.
2. The composition of claim 1 wherein the hydrocarbon carrier is a mixture of petroleum naphtha and kerosene.
3. The composition of claim 1 wherein the alkyl ester of the carboxylic acid is ethyl oleate.
4. The composition of claim 1 wherein the dialkylpolysiloxane is dimethylpolysiloxane.
5. Lubricating oil composition having good penetrating and release characteristics, the composition comprised of:
(1) from about 45% to about 85% of petroleum naphtha,
(2) from about 5% to about 30% of kerosene,
(3) from about 5 to about 40% of alkyl ester of a car boxylic acid of the formula 4 (4) from about 0.1% to about 10% of dialkylpolysiloxane wherein the alkyl grouping contains from about 1 to about 5 aliphatic carbon atoms. 6. Lubricating composition of claim 5 wherein the alkyl ester of the carboxylic acid is methyloleate.
7. Lubricating composition of claim 5 wherein the dialkylpolysiloxane is dimethylpolysiloxane.
8. Lubricating oil composition having good penetrating and release characteristics comprised of:
UNITED STATES PATENTS 2,041,076 5/ 1936- Lincoln et a1. 252-5 6X 2,3 84,384 9/ 1945 McGregor et a1. 25249.6X 2,467,178 4/ 1949 Zimmer et a1 25249.6
OTHER REFERENCES Bennett: Chemical Formulary, vol. IX (1951), pp.
284 and 285.
Guide, pp. 1 and 2, pub. by Dow Corning Corp.
DANIEL E. WYMAN, Primary Examiner W. H. CANNON, Assistant Examiner UM'IED STA'IES PATENT OFFICE CERTIFICATE OF CORRECTION Patent No. 3 I578 r 596 Dated May 11 1971 Inventor(5) DAVID D. CONWA Y It is certified that error appears in the above-identified patent and that said Letters Patent are. hereby corrected as shown below:
Col. 1, line 16: After "0.1%" insert Signed and sealed this 2 th day of August 1971.
(SEAL) Attest:
EDWARD M.FLETCHER,JR. WILLIAM E. SCHUYLER, JR. Attesting Officer Commissioner of Patents
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3833408A (en) * 1972-04-19 1974-09-03 Rca Corp Video discs having a methyl alkyl silicone coating
US4190546A (en) * 1977-08-27 1980-02-26 The British Petroleum Company Limited Traction fluid
US5534173A (en) * 1994-08-30 1996-07-09 Amway Corporation Light duty lubricant composition and method of use
US20120277135A1 (en) * 2009-11-18 2012-11-01 Liquifix Lubricating oil
US11970670B2 (en) 2019-06-14 2024-04-30 Neste Oyj Penetrating oil and method for producing the same

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3833408A (en) * 1972-04-19 1974-09-03 Rca Corp Video discs having a methyl alkyl silicone coating
US4190546A (en) * 1977-08-27 1980-02-26 The British Petroleum Company Limited Traction fluid
US5534173A (en) * 1994-08-30 1996-07-09 Amway Corporation Light duty lubricant composition and method of use
EP0699741A3 (en) * 1994-08-30 1997-07-23 Amway Corp Light duty lubricant composition and method of use
AU699605B2 (en) * 1994-08-30 1998-12-10 Amway Corporation Light duty lubricant composition and method of use
US20120277135A1 (en) * 2009-11-18 2012-11-01 Liquifix Lubricating oil
US11970670B2 (en) 2019-06-14 2024-04-30 Neste Oyj Penetrating oil and method for producing the same

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