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US2967151A - Utilization of phosphoric acid in the preparation of greases - Google Patents

Utilization of phosphoric acid in the preparation of greases Download PDF

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Publication number
US2967151A
US2967151A US550173A US55017355A US2967151A US 2967151 A US2967151 A US 2967151A US 550173 A US550173 A US 550173A US 55017355 A US55017355 A US 55017355A US 2967151 A US2967151 A US 2967151A
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Prior art keywords
molecular weight
acid
phosphoric acid
acids
low molecular
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US550173A
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English (en)
Inventor
Arnold J Morway
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ExxonMobil Technology and Engineering Co
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Exxon Research and Engineering Co
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Priority to US550173A priority Critical patent/US2967151A/en
Priority to GB35864/56A priority patent/GB793684A/en
Priority to DEE13282A priority patent/DE1040729B/de
Priority to FR1165150D priority patent/FR1165150A/fr
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Publication of US2967151A publication Critical patent/US2967151A/en
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    • C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant Compositions
    • C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
    • C10M2215/06—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to carbon atoms of six-membered aromatic rings
    • C10M2215/064—Di- and triaryl amines
    • C10M2215/065—Phenyl-Naphthyl amines
    • 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
    • C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant Compositions
    • C10M2215/24—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant Compositions having hydrocarbon substituents containing thirty or more carbon atoms, e.g. nitrogen derivatives of substituted succinic acid
    • C10M2215/26—Amines
    • 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
    • C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
    • 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
    • C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
    • C10M2219/04—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions containing sulfur-to-oxygen bonds, i.e. sulfones, sulfoxides
    • C10M2219/044—Sulfonic acids, Derivatives thereof, e.g. neutral salts
    • 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
    • C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
    • C10M2219/06—Thio-acids; Thiocyanates; Derivatives thereof
    • 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
    • C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
    • C10M2219/08—Thiols; Sulfides; Polysulfides; Mercaptals
    • C10M2219/082—Thiols; Sulfides; Polysulfides; Mercaptals containing sulfur atoms bound to acyclic or cycloaliphatic carbon atoms
    • 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
    • C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
    • C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
    • C10M2223/04—Phosphate esters
    • 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
    • C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
    • C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
    • C10M2223/04—Phosphate esters
    • C10M2223/042—Metal salts thereof
    • 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
    • C10M2229/02—Unspecified siloxanes; Silicones
    • 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
    • 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
    • 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
    • C10M2229/043—Siloxanes with specific structure containing carbon-to-carbon double bonds
    • 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
    • C10M2229/044—Siloxanes with specific structure containing silicon-to-hydrogen bonds
    • 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
    • C10M2229/05—Siloxanes with specific structure containing atoms other than silicon, hydrogen, oxygen or carbon
    • 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
    • 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
    • C10N2010/02—Groups 1 or 11
    • 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
    • C10N2010/04—Groups 2 or 12
    • 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—Form in which the lubricant is applied to the material being lubricated semi-solid; greasy

Definitions

  • This invention relates to lubricating grease compositions, and more particularly to high temperature lubricating greases thickened with neutralized products of a blend of low molecular weight carboxylic acids, high molecular weight carboxylic acids and phosphoric acid.
  • the lubricating grease compositions of the invention have outstanding extreme pressure characteristics in addition to other desirable grease characteristics.
  • this invention relates to the utilization of phosphoric acid directly in combination with a low molecular weight carboxylic acid having from about 1 to 3 carbon atoms per molecule and a high molecular weight carboxylic acid having from about 12 to 30 carbon atoms per molecule.
  • These blends of phosphoric acid and organic carboxylic acids are neutralized with metal hydroxides or carbonates to provide the grease thickening agents of this invention.
  • lubricating grease compositions can be prepared by utilizingfrom about 2.5 to wt. percent, preferably from about 2.5 to 6 wt. percent, of phosphoric acid in combination with about 10 to wt. percent of a low molecular weight carboxylic acid such as acetic acid and about 2 to 10 wt. percent of a high molecular weight carboxylic acid such as stearic acid.
  • the lubricating grease compositions of the invention are particularly characterized by high dropping points and outstanding load carrying properties. The greases exhibit these properties regardless of whether. they are prepared in either. the hydrous or anhydrous form.
  • stable lubricating grease compositions are prepared by the use of blends of the low molecular weight carboxylic acids, phosphoric acid and high molecular weight carboxylic acids, wherein the phosphoric acid contributes in some manner to the production of effective lubricating grease compositions.
  • the phosphoric acid may be utilized in concentrations ranging from about 5 to 100%.
  • Suitable low molecular weight carboxylic acids are the saturated and unsaturated aliphatic carboxylic acids having from about 1 to 3 carbon atoms per molecule. Examples of such acids include formic acid, acetic acid, propionic acid, etc. Acetic acid is preferred and may be either glacial acetic acid or an aqueous solution thereof, the concentration of the acetic acid in the aqueous solution varying from about to 99.9 wt. percent. Substituted acetic acids having two carbon atoms per molecule such as chloro-acetic acid, glycolic acid, thioglycolic acid, glycine, etc. may also be used to modify the structure of lubricating grease compositions made in accordance with this invention. The amount of low molecular weight carboxylic acid employed will be within the range of about 10 to 15 wt. percent, preferably about 10 to 12 wt. percent, based on the total lubricating grease composition.
  • High molecular weight carboxylic acids containing from about 12 to 30, preferably about 18 to 22, carbon atoms per molecule are useful for the purposes of the present invention. These acids may be derived from saturated or unsaturated naturally occurring or synthetic fatty material. The fatty acids normally used in the manufacture of conventional greases, particularly the more saturated acids, are preferred. Examples of such acids include lauric, myristic, palmitic, stearic, monoand poly-hydroxy stearic and arachidic acids as well as hydrogenated fish oil and tallow acids. Unsaturated fatty acids such as oleic, ricinoleic and similar acids may also be used. The amount of high molecular weight fatty acids employed in preparing the lubricating compositions of this invention will be from about 2 to 10 wt. percent, preferably about 2 to 5 wt. percent, based on the total lubricating grease composition.
  • the mol ratio of low to high molecular weightcarboxylic acids will range from about 10:1 to 30:1, preferably about 15:1 to 25:1, and the mol ratio of the average of the low molecular weight acids, i.e. the low molecular weight carboxylic acids and the phosphoric acid, to the high molecular weight carboxylic acids will be from 20:1 to 35:1, preferably about 25:1 to 30:1.
  • the metals suitable for neutralizing the above blend of acids are the alkaline earth metals: calcium, barium, magnesium and strontium.
  • the above metals are generally employed in the form of hydroxides or carbonates, and the process of this invention will utilize from about 8 to 15 wt. percent, based on the total lubricating grease composition, of the metal hydroxide or carbonate. Calcium hydroxide is preferred. Mixtures of the above metals may also be employed, if desired.
  • the lubricating oils employed as the mens-trua of the lubricant compositions of this invention may be either conventional grease-making mineral oils or synthetic lubricating oils.
  • the mineral and synthetic lubricating oils should have a viscosity within the range of about 50 to 2000 S.U.S. at 100 F. and about 30 to 220 S.U.S. at 210 F., an ASTM pour point of about +20 to F., a flash point of about 350 to 650 F., and a viscosity index of about 0 to 60, although lubricating oils having a viscosity index of or higher can also be employed.
  • the synthetic lubricating oils include esters of monobasic acids (e.-g.- an ester of C 'Oxo alcohol with C Oxo acid, an ester of C Oxo alcohol with octanoicacid, etc.), esters of dibasic acids (e.g. di-Z-ethyl hexyl sebacate, di-nonyl adipate, etc.), esters of glycols (e.g. C Oxo acid diester of tetraethylene glycol, etc.), complex esters (eg.
  • esters of phosphoric acid cg. the ester formed by contacting'three moles of the" mono-methyl ether of ethylene glycol with one mole of phosphorous oxychloride, etc.
  • halocarbon'oils e
  • alkyl' silicates cg. methyl polysiloxanes, ethylpolysiloxanes, methylphenyl polysiloxanes, etc.
  • sulfite esters e.g..the ester. formed by reacting one mole of sulfur oxychloride with two moles of the methyl ether of ethylene glycol, etc.
  • carbonates e.g. the carbonate formed by. reacting C Oxo alcohol with ethyl carbonate to form a half esterand reacting this half ester with tetraethylene glycol
  • mercaptals' e.g. the mercaptal'forined by reacting Z-ethyl hexyl mercaptan with formaldehyde
  • formals e.g. .the
  • the lubricating grease compositions of the invention will contain from about 50 to 90 wt. percent, preferably about 65 to 85 wt. percent, of the mineral and/or synthetic lubricating oil and about 10 to 50 wt. percent, pref-- erably about 15 to wt. percent, of the reaction prodnets of blends or mixtures of the above acids with the metal base.
  • lubricating grease additives may alsobe employed in the lubricating grease compositions of the 1 present invention.
  • Such additives include: oxidation inhibitors such as phenyl alpha naphthylamine, corrosion inhibitors such as sorbitan monooleate, tackiness agents such as polyisobutene or high molecular weight polymerized acrylic esters, and the like.
  • the lubricating grease compositions of this invention may be prepared by coneutralizing the blend or mixture of phosphoric acid, the low molecular weight carboxylic acids and the high molecular weight carboxylic acids with the metal base, e.g. hydrated lime, and dispersing the products in the lubricatingoil. It is not essential that the water of reaction be removed. However, a somewhat greater stability can be achieved when the water of reaction is removed by carrying out the grease preparation at elevated temperatures.
  • the preferred method of preparing the-lubricating grease compositions of this invention involves mixing the metal base and the lubricating oil together at. room temperature to form an intimate slurry.
  • the high molecular weight carboxylic acid is added to the slurry with stirring.
  • a blend of the low molecular weight carboxylic acid and the phosphoric acid' is then added with continued mixing, and a solid grease forms almost instantaneously with the temperature rising to about. 180 to 210 reciprocal seconds.
  • the lubricating grease compositions of this 1 invention' may also be prepared by heating the grease batch to a temperature of about 400 to 550 following of shear within the range of about 100,000 to 500,000"
  • the stearic acid as a powder.
  • the phenyl alpha naphthylamine was added, and the stirring continued for about two-hours untilthe temperature subsided.
  • the grease was homogenized by being passed through a Morehouse mill.
  • the grease of Example II also showed the desired high temperature, stability and load carrying properties of the grease prepared in accordance with the method described in Example I, though the former was prepared at a much higher temperature to effect dehydration.
  • a lubricating grease composition comprising a major proportion of lubricating oil thickened with a grease thickening amount of an alkaline earth metal base neutralized mixture of high molecular weight monocarboxylic acids having about 12-30 carbon atoms per molecule, low molecular weight monocarboxylic acids having from about 1-3 carbon atoms per molecule, and phosphoric acid, the amount of said phosphoric acid being 2.5 to 10.0 wt. percent, wherein the mole ratio of low molecular weight acids to high molecular weight carboxylic acid is about 20:1 to 35:1 and wherein the mole ratio of said low molecular weight carboxylic acid to said high molecular weight carboxylic acid is about 10:1 to 30:1.
  • composition of claim 1 wherein said alkaline earth metal base is a calcium base.
  • composition of claim 1 wherein said lubricating oil is a mineral lubricating oil.
  • a lubricating grease composition comprising a major amount of mineral lubricating oil and about 10 to wt. percent of the alkaline earth metal salts of a C to C fatty acid, a C to C fatty acid and phosphoric acid, the amount of phosphoric acid being about 2.5 to 10.0 wt. percent, wherein the mole ratio of low molecular weight acids to high molecular weight carboxylic acid is about 20:1 to 35:1, and wherein the mole ratio of acetic acid to said C to C fatty acid is about 10:1 to 30:1.
  • the method of preparing a lubricating grease composition which comprises dispersing a metal base in a lubricating oil, adding to the resulting dispersion high molecular weight carboxylic acids having from about 12 to 30 carbon atoms per molecule, then adding a blend of low molecular weight carboxylic acids having about 1 to 3 carbon atoms per molecule and phosphoric acid wherein the mole ratio of low molecular weight carboxylic acid to high molecular weight carboxylic acid is about 10:1 to 30:1 and wherein the mole ratio of said low molecular weight carboxylic acid and said phosphoric acid to said high molecular weight carboxylic acid is about 20:1 to 35:1 and thereafter cooling the resulting grease mixture to obtain said lubricating grease composition, said metal base being present in suflicient amounts to neutralize said acids and the amount of said phosphoric acid being 2.5' to 10.0 wt. percent.

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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)
US550173A 1955-11-30 1955-11-30 Utilization of phosphoric acid in the preparation of greases Expired - Lifetime US2967151A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US550173A US2967151A (en) 1955-11-30 1955-11-30 Utilization of phosphoric acid in the preparation of greases
GB35864/56A GB793684A (en) 1955-11-30 1956-11-23 Improved lubricating grease compositions
DEE13282A DE1040729B (de) 1955-11-30 1956-11-27 Schmierfett und Verfahren zu seiner Herstellung
FR1165150D FR1165150A (fr) 1955-11-30 1956-11-29 Graisse lubrifiante

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US550173A US2967151A (en) 1955-11-30 1955-11-30 Utilization of phosphoric acid in the preparation of greases

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DE (1) DE1040729B (de)
FR (1) FR1165150A (de)
GB (1) GB793684A (de)

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US3196109A (en) * 1962-03-01 1965-07-20 Exxon Research Engineering Co Lubricating grease containing boron nitride
US3318807A (en) * 1963-05-13 1967-05-09 Texaco Inc Lubricating greases containing finely divided inorganic metal salts and method of preparation therefor
US3344065A (en) * 1965-01-25 1967-09-26 Molykote Produktions G M B H Extreme pressure lubricants
US3389085A (en) * 1964-03-31 1968-06-18 Exxon Research Engineering Co Lubricants containing mixed metal salts of mono- and polybasic acids
US4107058A (en) * 1977-08-19 1978-08-15 Exxon Research & Engineering Co. Pressure grease composition
EP0296362A3 (de) * 1987-05-22 1989-02-08 Amoco Corporation Schmierfett, Verfahren zu seiner Herstellung und seine Verwendung
US5126062A (en) * 1991-01-15 1992-06-30 Nch Corporation Calcium sulfonate grease and method of manufacture
US6251840B1 (en) * 1995-09-12 2001-06-26 The Lubrizol Corporation Lubrication fluids for reduced air entrainment and improved gear protection
WO2012076025A1 (en) * 2010-12-06 2012-06-14 Aktiebolaget Skf Polymer thickened grease compositions and their use
US9273265B2 (en) 2011-10-31 2016-03-01 Nch Corporation Calcium carbonate based sulfonate grease compositions and method of manufacture
US9458406B2 (en) 2011-10-31 2016-10-04 Nch Corporation Calcium hydroxyapatite based sulfonate grease compositions and method of manufacture
US9976101B2 (en) 2011-10-31 2018-05-22 Nch Corporation Method of manufacturing calcium sulfonate greases using delayed addition of non-aqueous converting agents
US9976102B2 (en) 2011-10-31 2018-05-22 Nch Corporation Composition and method of manufacturing calcium sulfonate greases using alkali metal hydroxide and delayed addition of non-aqueous converting agents
US10087387B2 (en) 2016-05-18 2018-10-02 Nch Corporation Composition and method of manufacturing calcium magnesium sulfonate greases
US10087391B2 (en) 2016-05-18 2018-10-02 Nch Corporation Composition and method of manufacturing calcium magnesium sulfonate greases without a conventional non-aqueous converting agent
US10087388B2 (en) 2016-05-18 2018-10-02 Nch Corporation Composition and method of manufacturing calcium sulfonate and calcium magnesium sulfonate greases using a delay after addition of facilitating acid
US10392577B2 (en) 2016-05-18 2019-08-27 Nch Corporation Composition and method of manufacturing overbased sulfonate modified lithium carboxylate grease
US10519393B2 (en) 2016-05-18 2019-12-31 Nch Corporation Composition and method of manufacturing calcium magnesium sulfonate greases
US11661563B2 (en) 2020-02-11 2023-05-30 Nch Corporation Composition and method of manufacturing and using extremely rheopectic sulfonate-based greases
US12331261B2 (en) 2018-11-20 2025-06-17 Nch Corporation Composition and method of manufacturing sulfonate-based greases using a glycerol derivative

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US2417430A (en) * 1945-03-31 1947-03-18 Union Oil Co Lubricants
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US2846392A (en) * 1953-10-21 1958-08-05 Exxon Research Engineering Co Metal soap-salt complexes and lubricants containing same

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GB718391A (en) * 1952-01-30 1954-11-10 Shell Refining & Marketing Co Improvements in and relating to lubricating greases

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US2417431A (en) * 1945-03-31 1947-03-18 Union Oil Co Lubricants
US2417430A (en) * 1945-03-31 1947-03-18 Union Oil Co Lubricants
US2417433A (en) * 1945-04-23 1947-03-18 Union Oil Co Lubricating composition
US2513680A (en) * 1949-01-18 1950-07-04 Socony Vacuum Oil Co Inc Lime base grease
US2846392A (en) * 1953-10-21 1958-08-05 Exxon Research Engineering Co Metal soap-salt complexes and lubricants containing same

Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3196109A (en) * 1962-03-01 1965-07-20 Exxon Research Engineering Co Lubricating grease containing boron nitride
US3318807A (en) * 1963-05-13 1967-05-09 Texaco Inc Lubricating greases containing finely divided inorganic metal salts and method of preparation therefor
US3389085A (en) * 1964-03-31 1968-06-18 Exxon Research Engineering Co Lubricants containing mixed metal salts of mono- and polybasic acids
US3344065A (en) * 1965-01-25 1967-09-26 Molykote Produktions G M B H Extreme pressure lubricants
US4107058A (en) * 1977-08-19 1978-08-15 Exxon Research & Engineering Co. Pressure grease composition
EP0296362A3 (de) * 1987-05-22 1989-02-08 Amoco Corporation Schmierfett, Verfahren zu seiner Herstellung und seine Verwendung
US5126062A (en) * 1991-01-15 1992-06-30 Nch Corporation Calcium sulfonate grease and method of manufacture
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DE1040729B (de) 1958-10-09
GB793684A (en) 1958-04-23
FR1165150A (fr) 1958-10-20

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