GB1015769A - Process for overbased sulfurized metal phenates - Google Patents

Process for overbased sulfurized metal phenates

Info

Publication number
GB1015769A
GB1015769A GB18479/63A GB1847963A GB1015769A GB 1015769 A GB1015769 A GB 1015769A GB 18479/63 A GB18479/63 A GB 18479/63A GB 1847963 A GB1847963 A GB 1847963A GB 1015769 A GB1015769 A GB 1015769A
Authority
GB
United Kingdom
Prior art keywords
alkaline earth
earth metal
oxide
mole
amount
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.)
Expired
Application number
GB18479/63A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
California Research LLC
Original Assignee
California Research LLC
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by California Research LLC filed Critical California Research LLC
Publication of GB1015769A publication Critical patent/GB1015769A/en
Expired legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07G—COMPOUNDS OF UNKNOWN CONSTITUTION
    • C07G99/00—Subject matter not provided for in other groups of this subclass
    • C07G99/002—Compounds of unknown constitution containing sulfur
    • C07G99/0024—Overbased 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
    • C10M159/00—Lubricating compositions characterised by the additive being of unknown or incompletely defined constitution
    • C10M159/12—Reaction products
    • C10M159/20—Reaction mixtures having an excess of neutralising base, e.g. so-called overbasic or highly basic products
    • C10M159/24—Reaction mixtures having an excess of neutralising base, e.g. so-called overbasic or highly basic products containing sulfonic radicals
    • 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
    • C10M2203/06—Well-defined aromatic 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
    • C10M2203/104—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
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/02—Hydroxy compounds
    • C10M2207/021—Hydroxy compounds having hydroxy groups 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
    • 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
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/28—Esters
    • C10M2207/287—Partial 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
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/28—Esters
    • C10M2207/34—Esters having a hydrocarbon substituent of thirty or more carbon atoms, e.g. substituted succinic acid derivatives
    • 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
    • C10M2209/00—Organic macromolecular compounds containing oxygen 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
    • C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
    • C10M2209/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated 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
    • C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
    • C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated 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
    • 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
    • C10M2219/087—Thiols; Sulfides; Polysulfides; Mercaptals containing sulfur atoms bound to acyclic or cycloaliphatic carbon atoms containing hydroxy groups; Derivatives thereof, e.g. sulfurised phenols
    • 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
    • C10M2219/087—Thiols; Sulfides; Polysulfides; Mercaptals containing sulfur atoms bound to acyclic or cycloaliphatic carbon atoms containing hydroxy groups; Derivatives thereof, e.g. sulfurised phenols
    • C10M2219/088—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
    • C10M2219/08—Thiols; Sulfides; Polysulfides; Mercaptals
    • C10M2219/082—Thiols; Sulfides; Polysulfides; Mercaptals containing sulfur atoms bound to acyclic or cycloaliphatic carbon atoms
    • C10M2219/087—Thiols; Sulfides; Polysulfides; Mercaptals containing sulfur atoms bound to acyclic or cycloaliphatic carbon atoms containing hydroxy groups; Derivatives thereof, e.g. sulfurised phenols
    • C10M2219/089—Overbased salts
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Lubricants (AREA)

Abstract

A lubricating oil composition containing a basic carbonated sulphurized alkaline earth metal alkyl phenate is made by blending together in a lubricating oil medium an alkyl phenol, a metal sulphonate, a monohydric alcohol having from 8 to 18 carbon atoms, and sulphur, there being for each molal quantity of alkyl phenol from 0.01 to 1 mole of sulphonate and from 0.05 to 0.15 mole of the alcohol, adding to the resulting blend an alkaline earth metal hydroxide or oxide, the mole ratio of sulphur to alkaline earth metal being from 0.25 to 4.0, then adding ethylene glycol in an amount such that the mole ratio of said hydroxide or oxide to ethylene glycol is in the range of from 2:1 to 0.25:1, heating the resulting mixture to remove water of reaction, adding carbon dioxide in an amount of from 300 to 10 mole per cent of the alkyl phenol, removing uncombined carbon dioxide, adding a further amount of said hydroxide or oxide, heating to remove water of reaction, adding further carbon dioxide in an amount of from 300 to 10 mole per cent, and thereafter heating the reaction mixture at reduced pressure to remove ethylene glycol, the total amount of the alkaline earth metal hydroxide or oxide used being such as to give a base ratio of 1.2 to 4.5. The alkyl phenols have the formula (R)aAOH where A is an essentially hydrocarbon aromatic radical, R is a straight or branched chain, saturated or unsaturated essentially hydrocarbon radical having 4 to 30 carbon atoms and a is 1 or 2. The total number of carbon atoms for R has a minimum value of 8. The metal sulphonates contain from 0 to 300% of metal in excess of normal sulphonates. The basic sulphonates are made by addition of excess base to neutral sulphonates of the formula [(R)aASO3]2M where R is a straight or branched chain saturated or unsaturated hydrocarbon radical of molecular weight of about 150 to 800, A is an aromatic radical, a is 1 to 4 and M is an alkaline earth metal. The lubricating oils include petroleum lubricating oils, alkylene polymers, alkylene oxide-type polymers, carboxylic acid esters, alkyl benzenes, polyphenyls, and polymers of silicon.
GB18479/63A 1962-05-15 1963-05-09 Process for overbased sulfurized metal phenates Expired GB1015769A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US19496362A 1962-05-15 1962-05-15

Publications (1)

Publication Number Publication Date
GB1015769A true GB1015769A (en) 1966-01-05

Family

ID=22719536

Family Applications (2)

Application Number Title Priority Date Filing Date
GB18478/63A Expired GB1016655A (en) 1962-05-15 1963-05-09 Process for basic sulfurized metal phenates
GB18479/63A Expired GB1015769A (en) 1962-05-15 1963-05-09 Process for overbased sulfurized metal phenates

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB18478/63A Expired GB1016655A (en) 1962-05-15 1963-05-09 Process for basic sulfurized metal phenates

Country Status (4)

Country Link
US (1) USB194963I5 (en)
DE (2) DE1290645B (en)
FR (2) FR1356762A (en)
GB (2) GB1016655A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0003694A1 (en) * 1978-02-08 1979-08-22 Orogil Method for preparing highly based detergents-dispersants for lubricating oils, and product thus obtained
EP0006796A1 (en) * 1978-06-26 1980-01-09 Orogil Process for the preparation of overbased metalliferous detergent-dispersant agents for lubricating oils and product obtained
EP0007260A1 (en) * 1978-06-26 1980-01-23 Orogil Process for the preparation of metalliferous detergent-dispersant additives of high alkali content, especially for lubricating oils, and product obtained
EP0007257A1 (en) * 1978-06-26 1980-01-23 Orogil Process for the preparation of detergent-dispersant agents of high alkali content for lubricating oils and product obtained
US6239309B1 (en) 1999-12-21 2001-05-29 Chevron Oronite S.A. Synthesis of an overbased detergent from sludge coming from the production high BN overbased alkylaryl sulfonate or overbased sulfurized alkylphenate

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3772198A (en) * 1971-06-07 1973-11-13 Continental Oil Co Method for preparing overbased oil soluble compositions
US3865737A (en) * 1973-07-02 1975-02-11 Continental Oil Co Process for preparing highly-basic, magnesium-containing dispersion
GB1551819A (en) * 1975-05-23 1979-09-05 Exxon Research Engineering Co Production of basic magnesium detergent additives
FR2549080B1 (en) * 1983-07-11 1986-04-04 Orogil PROCESS FOR THE PREPARATION OF VERY HIGH ALKALINITY DETERGENT-DISPERSANT ADDITIVES BASED ON CALCIUM AND DETERGENT-DISPERSANT ADDITIVES FOR LUBRICATING OILS THUS OBTAINED
US5529705A (en) * 1995-03-17 1996-06-25 Chevron Chemical Company Methods for preparing normal and overbased phenates

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB744534A (en) * 1952-02-01 1956-02-08 Exxon Research Engineering Co Improved lubricating oil additive compositions

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0003694A1 (en) * 1978-02-08 1979-08-22 Orogil Method for preparing highly based detergents-dispersants for lubricating oils, and product thus obtained
FR2416942A1 (en) * 1978-02-08 1979-09-07 Orogil PROCESS FOR PREPARING DETERGENT-DISPERSANTS OF HIGH ALKALINITY FOR LUBRICATING OILS
US4251379A (en) 1978-02-08 1981-02-17 Orogil Detergent-dispersants of high alkalinity for lubricating oils and process for their preparation
EP0006796A1 (en) * 1978-06-26 1980-01-09 Orogil Process for the preparation of overbased metalliferous detergent-dispersant agents for lubricating oils and product obtained
EP0007260A1 (en) * 1978-06-26 1980-01-23 Orogil Process for the preparation of metalliferous detergent-dispersant additives of high alkali content, especially for lubricating oils, and product obtained
EP0007257A1 (en) * 1978-06-26 1980-01-23 Orogil Process for the preparation of detergent-dispersant agents of high alkali content for lubricating oils and product obtained
FR2429832A1 (en) * 1978-06-26 1980-01-25 Orogil IMPROVED PROCESS FOR THE PREPARATION OF HIGH ALKALINITY METAL DETERGENT-DISPERSANT ADDITIVES, PARTICULARLY FOR LUBRICATING OILS
FR2429831A2 (en) * 1978-06-26 1980-01-25 Orogil NOVEL PROCESS FOR THE PREPARATION OF HIGH ALKALINITY DETERGENT DISPERSANTS FOR LUBRICATING OILS
FR2429833A1 (en) * 1978-06-26 1980-01-25 Orogil PROCESS FOR THE PREPARATION OF SURALKALINATED METAL DETERGENTS-DISPERSANTS FOR LUBRICATING OILS
US4302342A (en) 1978-06-26 1981-11-24 Orogil Process for the preparation of detergent dispersants of high alkalinity for lubricating oils and the product obtained therefrom
US6239309B1 (en) 1999-12-21 2001-05-29 Chevron Oronite S.A. Synthesis of an overbased detergent from sludge coming from the production high BN overbased alkylaryl sulfonate or overbased sulfurized alkylphenate
US6313336B1 (en) 1999-12-21 2001-11-06 Chevron Oronite S.A. Synthesis of an overbased detergent from sludge coming from the production of high BN overbased alkylaryl sulfonate or overbased sulfurized alkylphenate

Also Published As

Publication number Publication date
FR1356763A (en) 1964-03-27
DE1278053B (en) 1968-09-19
FR1356762A (en) 1964-03-27
DE1290645B (en) 1969-03-13
GB1016655A (en) 1966-01-12
USB194963I5 (en)

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