US20150232779A1 - Molybdenum-containing composition - Google Patents
Molybdenum-containing composition Download PDFInfo
- Publication number
- US20150232779A1 US20150232779A1 US14/422,973 US201314422973A US2015232779A1 US 20150232779 A1 US20150232779 A1 US 20150232779A1 US 201314422973 A US201314422973 A US 201314422973A US 2015232779 A1 US2015232779 A1 US 2015232779A1
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- United States
- Prior art keywords
- amide
- composition
- acid
- compound
- carbon atoms
- 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.)
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- 0 *C(=O)N([H])[H] Chemical compound *C(=O)N([H])[H] 0.000 description 1
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
- C10M141/00—Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups C10M125/00 - C10M139/00, each of these compounds being essential
- C10M141/06—Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups C10M125/00 - C10M139/00, each of these compounds being essential at least one of them being an organic nitrogen-containing compound
-
- 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
- C10M159/12—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
- C10M159/00—Lubricating compositions characterised by the additive being of unknown or incompletely defined constitution
- C10M159/12—Reaction products
- C10M159/18—Complexes with metals
-
- 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
- C10M2227/00—Organic non-macromolecular compounds containing atoms of elements not provided for in groups C10M2203/00, C10M2207/00, C10M2211/00, C10M2215/00, C10M2219/00 or C10M2223/00 as ingredients in lubricant compositions
- C10M2227/06—Organic compounds derived from inorganic acids or metal salts
- C10M2227/066—Organic compounds derived from inorganic acids or metal salts derived from Mo or W
-
- 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
- C10M2227/00—Organic non-macromolecular compounds containing atoms of elements not provided for in groups C10M2203/00, C10M2207/00, C10M2211/00, C10M2215/00, C10M2219/00 or C10M2223/00 as ingredients in lubricant compositions
- C10M2227/09—Complexes with metals
-
- 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
- C10N2010/00—Metal present as such or in compounds
- C10N2010/12—Groups 6 or 16
-
- 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
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/06—Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
-
- 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
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/40—Low content or no content compositions
- C10N2030/43—Sulfur free or low sulfur content compositions
-
- 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
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/54—Fuel economy
-
- 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
- C10N2040/20—Metal working
-
- 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
- C10N2050/00—Form in which the lubricant is applied to the material being lubricated
- C10N2050/10—Semi-solids; greasy
-
- 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
- C10N2070/00—Specific manufacturing methods for lubricant compositions
Definitions
- the present invention relates to a molybdenum-containing composition which can be used in various types of applications. Initially, the present invention is described in connection with the use of the composition as an additive in admixture with a lubricating oil in which it functions as a friction modifier; the composition has, however, other uses as described hereinafter.
- Friction modifiers for example, in the form of a particular compound or in admixture with other compounds, are well known as additives which are included in lubricants and which function to improve the lubricating properties of the lubricant, for example, a motor oil.
- a lubricant is itself a material which upon application to a surface functions to reduce friction between moving surfaces. It is beneficial to reduce such friction for a variety of reasons, including the reduction of heat generation, of surface fatigue, and of the formation of “wear particles” which have an adverse effect on the surfaces being lubricated, typically metallic surfaces.
- the prior art discloses many types of compounds which function as friction modifiers, including compounds which contain both molybdenum (Mo) and sulfur (S).
- Mo molybdenum
- S sulfur
- disadvantages associated with the use of a Mo and S-containing compound For example, it has been reported that lubricants containing such compounds cause corrosion of metal surfaces lubricated therewith; also, there are various Mo- and S-containing compounds that are insoluble in lubricating oils to the extent that their effectiveness as a friction modifier is affected adversely.
- the present invention relates to the provision of a composition which includes Mo, including a Mo-containing composition which does not require the presence of S in order to function effectively and efficiently as a friction modifier.
- the present invention includes the provision of a reactive composition comprising:
- GMO glycerol monoester
- (C) a molybdenum compound in which the oxidation state of the molybdenum is +6 (hereafter for convenience “Mo+6”), preferably about 5 to about 25 wt. % of the molybdenum compound.
- wt. % means percent by weight based on the total weight of the composition.
- the present invention includes also a product prepared by reacting a reactive composition as described hereinabove.
- the present invention includes the provision of a product in the form of a composition which is useful as a friction modifier and which comprises a mixture of the following:
- a Mo reactant a Mo+6
- an acid amide an acid amide in which the chain length of the acid portion comprising the amide contains about 8 to about 28 carbon atoms
- (C) a compound prepared by reacting a Mo reactant, an acid amide, and a glycerol monoester, the compound hereof comprising preferably about 10 to about 25 wt. % of the mixture.
- Another aspect of the present invention is the provision of a method which comprises:
- An additional aspect of the present invention is the provision of a lubricating composition, preferably a composition comprising a lubricating oil, in admixture with an additive which comprises a product that is described hereinabove and that has the properties of a friction modifier.
- the lubricating composition comprises about 0.1 to about 1 wt. % of the additive.
- a friction modifier within the scope of the present invention has the ability to improve the lubricating properties of a lubricant by at least about 0.3 wt. %. According to industry standards, such improvement is measured by frictional properties using instruments such as a High Frequency Reciprocating Rig (HFRR) and a Mini Traction Machine (MTM). Such improvement can be achieved without the use of sulfur; accordingly, in preferred form, the friction modifier contains no sulfur or is substantially sulfur-free, that is, contains no greater than about 0.01 wt. % of sulfur.
- HFRR High Frequency Reciprocating Rig
- MTM Mini Traction Machine
- Friction modifiers within the scope of the present invention are soluble in many types of popularly used lubricants and are also compatible with many types of popularly used additives that are used in lubricating compositions.
- the present invention includes within its scope lubricating compositions which contain a friction modifier of the present invention and which are precipitate- and haze-free, including compositions which contain also additives which function to improve properties of the lubricating composition.
- the nature of a composition comprising a friction modifier hereof is such that, relative to other Mo-containing friction modifiers, friction modifiers within the scope of the present invention can include higher amounts of Mo than such other modifiers.
- the present invention encompasses within its scope a composition which can be prepared from a reactive mixture which includes: (A) a glycerol monoester; (B) an acid amide in which the chain length of the acid portion of the amide contains about 8 to 28 carbon atoms (hereafter for convenience referred to as “the acid amide”); and (C) Mo+6.
- a reactive mixture which includes: (A) a glycerol monoester; (B) an acid amide in which the chain length of the acid portion of the amide contains about 8 to 28 carbon atoms (hereafter for convenience referred to as “the acid amide”); and (C) Mo+6.
- a glycerol monoester comprises a compound in which one of the hydroxyl groups of glycerol (1,2,3-propane triol) is esterfied with an acid, typically a fatty acid.
- the chain length of the fatty acid can vary, for example: a short chain length of fewer than six carbon atoms; a medium chain length of six to 12 carbon atoms; and a long chain length of more than 12 carbon atoms, for example, up to about 22 carbon atoms.
- the fatty acid can be saturated or unsaturated, including those which have one double bond between carbon atoms (monounsaturated) and those having more than one double bond between carbon atoms (polyunsaturated).
- saturated fatty acids that can comprise the ester portion of the glycerol monoester: butyric, caprylic, capric, lauric, myristic, palmitic, stearic, and arachedic.
- unsaturated fatty acids that can comprise the ester portion of the glycerol monoester: myristoleic, palmitoleic, sapienic, oleic, vaccenic, linoleic, and linolenic.
- the fatty acids that comprise the ester portion of the glycerol monoester have a chain length of about 14 to about 22 carbon atoms and are monounsaturated.
- Particularly preferred fatty acids are oleic and lauric which are high in alpha mono content, for example, at least about 52 wt. % thereof, and which have a low content of free glycerine, for example, no greater than about 70 wt. % thereof.
- the acid amide used in the practice of the present invention can be a primary, secondary, or tertiary amide.
- a primary acid amide has the basic structure of
- R represents the residue of an acid, typically a fatty acid.
- one of the hydrogen atoms pictured in Formula 1 above has in its place an alkyl group in which none of its carbon(s) is substituted or in which one or more of its carbons include one or more substituents.
- both hydrogens atoms have in their place alkyl groups which may be the same or different, with neither of the alkyl groups containing a substituent or with one or more of the carbons of each alkyl group including one or more substituents.
- the acid portion of the acid amide is the residue of a carboxylic acid, typically a fatty acid, that has a chain length of about 8 to about 28 carbon atoms.
- the fatty acid can be saturated or unsaturated, including, for example, those having one double bond between carbon atoms (monounsaturated).
- saturated fatty acids that can comprise the acid portion of the amide: caprylic, capric, lauric, myristic, palmitic, stearic, arachedic, and cerotic.
- unsaturated fatty acids that can comprise the acid portion of the amide: myristoleic, palmitoleic, sapienic, oleic, vaccenic, linoleic, linolenic, and erucic.
- the fatty acids that comprise the acid portion of the acid amide have a chain length of about 14 to about 22 carbon atoms and are monounsaturated.
- the preferred form of the acid amide is a secondary or tertiary amide
- the preferred acid residue of the amide is that of oleic or lauric acid
- the preferred alkyl group of the secondary or tertiary amide is that of a hydroxyalkyl having up to about four carbon atoms.
- Particularly preferred acid amides are N,N-bis(2-hydroxyethyl) oleamide and N,N-bis(2-hydroxyethyl) cocoamide.
- the molybdenum compound for use in the practice of the present invention includes a compound in which the oxidation state of molybdenum is +6, for example, molybdenum trioxide, molybdenum hexachloride, and ammonium molybdate.
- molybdenum trioxide is a crystalline solid which is slightly soluble in water; it melts at about 795° C.
- molybdenum hexachloride is a solid which melts at 254° C.
- Ammonium molybdate having a formula of (NH 4 ) 2 MoO 4 ) or of (NH 4 ) 6 Mo 7 0 24 can be used.
- molybdenum trioxide is preferred.
- the product of reaction is presumed to be a reaction product of Mo bound to the OH groups of the glycerol monoester, for example, of glycerol monooleate, and nitrogen atoms of the amide.
- Glycerol monoester is present in excess to drive the reaction to completion.
- the weight percents of glycerol monooleate, molybdenum trioxide and oleyl amide are respectively about 42%, about 9% and about 35%.
- the mixture of reactants is heated initially at a temperature and for a time in order to initiate and speed the reaction; thereafter the temperature can be raised and the mixture heated for a time in order to distill out of the reaction mixture any excess solvent.
- the mixture in reacting preferred reactants (for example, glycerol monoleate, molybdenum trioxide and N,N-bis(2-hydroxyethyl) oleamide), the mixture can be heated to about 70 to about 85° C. for about 2 hours, and then the temperature can be raised to about 95 to about 105° C. for an additional 2 hours.
- a solvent for example, xylene
- a final product with a water content of up to less than 0.8 wt. % is exemplary.
- a water-free product or one that has a water content of no greater than about 0.3 wt. % has improved self-life, for example, precipitation of solids from the liquid product is lessened or eliminated.
- the friction modifier of the present invention can be used with a variety of lubricants, including, for example, greases, engine oils, and metal working fluids. It is believed that it will be used widely in compositions in which the lubricant comprises a lubricating oil, the particular oil being selected on the basis of the involved lubricating application.
- lubricants include natural occurring oils, for example, base stocks API I, II, and III, and synthetic oils, for example, polyalphaolefin API IV and polyesterglycol API V.
- greases are thixotropic semisolid lubricants with high initial viscosity that drops with shear. They can function as a sealant to minimize leakage and keep out contaminants. They are used typically in applications where frequent relubrication is difficult or undesirable such as, for example, for machines that run intermittently, for operations where the relubrication site is not easily accessible, for extreme operating conditions, and where lubricant oils will not stay in place.
- the following are examples of 6 general types of greases: mineral oils mixed with solid materials, heavy asphaltic-type oils, extreme-pressure greases, roll-neck greases, soap-thickened mineral oils, and multi-purpose greases. Most greases are used for lubricating bearings and the choice of grease depends on a number of factors including, for example, the nature of the substrate, application needs such as, for example, anti-friction, high load conditions, and operating temperatures.
- the major function of the friction modifier of the present invention in grease is to provide reduction of friction and anti-wear properties.
- greases are composed of a base oil (typically about 70-95 wt. %), thickener (about 3-30 wt. %), and additives (up to about wt. 10%) for oxidation and rust inhibition, extreme pressure, antiwear, and friction reduction.
- the friction modifier should be used in an amount which improves the lubricating properties of the lubricant.
- the friction modifier should comprise at least about 0.3 wt. % of the composition comprising the lubricant and additive.
- an amount of the friction modifier of up to about 1 wt. % will be satisfactory.
- the friction modifier comprise about 0.5 to about 1 wt. % of the composition.
- the present invention contemplates also the use of other additives in the composition comprising the lubricant and friction modifier.
- Additives are well known for use in such types of compositions and include, for example, dispersants, viscosity agents, antioxidants, stabilizers and antiwear agents.
- the additives generally comprise about 20 wt. % to about 30 wt. % of the composition.
- a Mo-containing composition of the present invention can be used in applications other than those in which it is used in admixture with a lubricant to improve its lubricating properties.
- it can be used as an antiwear additive.
- Zinc dithiophosphate (ZDDP) is used widely in engine oils as an antiwear and antioxidant additive and contains phosphorous and sulfur which is detrimental to catalytic converters.
- ZDDP Zinc dithiophosphate
- Mo-containing additives are used in combination with ZDDP, the total amount of phosphorous and sulfur can be reduced.
- compositions which are the subject of Example Nos. 1 and 2 are useful as friction modifiers.
- This example is illustrative of the preparation of a friction modifier prepared from: (a) glycerol monooleate (hereafter “GMO”—at room temperature, 20 to 25° C., a solid which melts at about 35 to 37° C.); (b) N, N-bis(2-hydroxyethyl) oleamide (hereafter “oleamide”—at room temperature, a liquid which boils at about 150° C.); and (c) molybdenum trioxide (hereafter “MoO 3 ”—at room temperature, a solid which melts at 795° C.).
- GMO glycerol monooleate
- oleamide N, N-bis(2-hydroxyethyl) oleamide
- MoO 3 molybdenum trioxide
- Solid GMO is pre-heated in an oven at 50° C. for 30 minutes to its liquid form.
- a 1-liter flask 180 g liquid GMO and 150 g of liquid oleamide to form a liquid mixture thereof.
- Forty g of solid Mo0 3 in the form of a powder are added to the liquid mixture and stirred therein to form a liquid in which the Mo0 3 solids are dispersed.
- Xylene and a small amount of water are added as additional reagents to the dispersion to promote reaction through improved solubility of the reactants and to improve the solubility of the product of reaction.
- the resulting reactive mixture is heated with stirring at 70-75° C. under nitrogen purge for about 4 hours.
- the color of the mixture changes from a gray color at the beginning of the reaction to a milky brown, and then to a dark brown.
- the mixture is then heated to 100-110° C. to evaporate water.
- the final product amounts to 352 g, is a dark brown viscous liquid, and is completely soluble with commercially available engine oils.
- Example No. 1 This example is like that of Example No. 1 except that the amount of water in the final product is about 0.3 wt. % and also the GMO constituent is replaced by glycerol monolaurate (hereafter “GML”—at room temperature, a pasty substance having a melting point of 23 to 27° C.).
- GML glycerol monolaurate
- the color of the mixture changes from a gray color at the beginning of the reaction to a milky green, and then to dark green. After heating the mixture to 100-110° C., 358 g of a soft solid product which is compatible with most commercially available engine oils are obtained.
- Example Nos. 1 and 2 Selected physical properties of the products of Example Nos. 1 and 2 are measured. The amount of water is measured using the Karl Fisher titration method. Acid values are measured through KOH titration pursuant to ASTM D664. Viscosities at 40° C. and 100° C. are measured using a Brookfield viscometer. The properties are reported in Table 1 below.
- COF coefficient of friction
- MTM Mini-Traction Machine
- the base lubricating oil is a fully formulated SAE 5W20 that contains 0.5 wt. % of the composition of Example No. 1.
- a commercially available friction modifier (glycerol monooleate+GMO) is evaluated also.
- Friction data are collected to simulate real engine running conditions which include variation in temperature, speed, and load.
- Example No. 2 that is, the GML-based composition which is a soft solid, it can be used effectively as a friction modifier for metal working and grease applications.
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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)
- Braking Arrangements (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/422,973 US20150232779A1 (en) | 2012-08-20 | 2013-08-20 | Molybdenum-containing composition |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201261684963P | 2012-08-20 | 2012-08-20 | |
PCT/US2013/055751 WO2014031613A2 (fr) | 2012-08-20 | 2013-08-20 | Composition contenant du molybdène |
US14/422,973 US20150232779A1 (en) | 2012-08-20 | 2013-08-20 | Molybdenum-containing composition |
Publications (1)
Publication Number | Publication Date |
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US20150232779A1 true US20150232779A1 (en) | 2015-08-20 |
Family
ID=50150474
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US14/422,973 Abandoned US20150232779A1 (en) | 2012-08-20 | 2013-08-20 | Molybdenum-containing composition |
US16/575,786 Abandoned US20200224115A1 (en) | 2012-08-20 | 2019-09-19 | Molybdenum-containing composition |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
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US16/575,786 Abandoned US20200224115A1 (en) | 2012-08-20 | 2019-09-19 | Molybdenum-containing composition |
Country Status (3)
Country | Link |
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US (2) | US20150232779A1 (fr) |
CA (1) | CA2882593A1 (fr) |
WO (1) | WO2014031613A2 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10767134B1 (en) | 2019-05-17 | 2020-09-08 | Vanderbilt Chemicals, Llc | Less corrosive organomolybdenum compounds as lubricant additives |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090156443A1 (en) * | 2006-02-28 | 2009-06-18 | China Petroleum & Chemical Corporation | Organic molybdenum additive, its preparation method, a lubricating composition containing said additive, and use of the same |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4846983A (en) * | 1986-02-21 | 1989-07-11 | The Lubrizol Corp. | Novel carbamate additives for functional fluids |
US20060111253A1 (en) * | 2004-11-01 | 2006-05-25 | Steve Harris | Lubricating compositions |
US8299005B2 (en) * | 2006-05-09 | 2012-10-30 | Exxonmobil Research And Engineering Company | Lubricating oil composition |
EP2423296A1 (fr) * | 2006-07-06 | 2012-02-29 | Nippon Oil Corporation | Composition d'huile lubrifiante pour machines-outils |
WO2010053893A1 (fr) * | 2008-11-05 | 2010-05-14 | The Lubrizol Corporation | Procédé de lubrification d’un moteur à combustion interne |
WO2011022266A2 (fr) * | 2009-08-18 | 2011-02-24 | The Lubrizol Corporation | Composition lubrifiante contenant un agent anti-usure |
-
2013
- 2013-08-20 US US14/422,973 patent/US20150232779A1/en not_active Abandoned
- 2013-08-20 CA CA2882593A patent/CA2882593A1/fr not_active Abandoned
- 2013-08-20 WO PCT/US2013/055751 patent/WO2014031613A2/fr active Application Filing
-
2019
- 2019-09-19 US US16/575,786 patent/US20200224115A1/en not_active Abandoned
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090156443A1 (en) * | 2006-02-28 | 2009-06-18 | China Petroleum & Chemical Corporation | Organic molybdenum additive, its preparation method, a lubricating composition containing said additive, and use of the same |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10767134B1 (en) | 2019-05-17 | 2020-09-08 | Vanderbilt Chemicals, Llc | Less corrosive organomolybdenum compounds as lubricant additives |
Also Published As
Publication number | Publication date |
---|---|
WO2014031613A3 (fr) | 2015-07-30 |
CA2882593A1 (fr) | 2014-02-27 |
US20200224115A1 (en) | 2020-07-16 |
WO2014031613A2 (fr) | 2014-02-27 |
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