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GB1390953A - Process for the preparation of lubricating oils - Google Patents

Process for the preparation of lubricating oils

Info

Publication number
GB1390953A
GB1390953A GB1987772A GB1987772A GB1390953A GB 1390953 A GB1390953 A GB 1390953A GB 1987772 A GB1987772 A GB 1987772A GB 1987772 A GB1987772 A GB 1987772A GB 1390953 A GB1390953 A GB 1390953A
Authority
GB
United Kingdom
Prior art keywords
oils
extract
hydrofinished
crude oil
residue
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
GB1987772A
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.)
SHELL INT RESEARCH
Shell Internationale Research Maatschappij BV
Original Assignee
SHELL INT RESEARCH
Shell Internationale Research Maatschappij BV
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 SHELL INT RESEARCH, Shell Internationale Research Maatschappij BV filed Critical SHELL INT RESEARCH
Priority to GB1987772A priority Critical patent/GB1390953A/en
Priority to CA164,099A priority patent/CA1009643A/en
Priority to AU54713/73A priority patent/AU471949B2/en
Priority to FR7315163A priority patent/FR2182140B1/fr
Priority to JP48046789A priority patent/JPS4954405A/ja
Priority to ZA732856A priority patent/ZA732856B/en
Priority to DE2321172A priority patent/DE2321172C2/en
Priority to IT23435/73A priority patent/IT987089B/en
Priority to PH14548*A priority patent/PH10316A/en
Priority to NLAANVRAGE7305901,A priority patent/NL189472C/en
Publication of GB1390953A publication Critical patent/GB1390953A/en
Priority to MY213/75A priority patent/MY7500213A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M101/00—Lubricating compositions characterised by the base-material being a mineral or fatty oil
    • C10M101/02—Petroleum 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
    • 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
    • C10M2203/108—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
    • C10M2207/10—Carboxylix acids; Neutral salts thereof
    • C10M2207/14—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to carbon atoms of six-membered aromatic rings
    • C10M2207/144—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to carbon atoms of six-membered aromatic rings containing hydroxy groups
    • 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
    • C10M2207/10—Carboxylix acids; Neutral salts thereof
    • C10M2207/14—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to carbon atoms of six-membered aromatic rings
    • C10M2207/146—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to carbon atoms of six-membered aromatic rings having carboxyl groups bound to carbon atoms of six-membeered aromatic rings having a hydrocarbon substituent of thirty or more 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
    • 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
    • C10M2209/08—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate type
    • C10M2209/084—Acrylate; Methacrylate
    • 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
    • C10M2211/00—Organic non-macromolecular compounds containing halogen as ingredients in lubricant compositions
    • C10M2211/06—Perfluorinated 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
    • C10M2211/00—Organic non-macromolecular compounds containing halogen as ingredients in lubricant compositions
    • C10M2211/08—Halogenated waxes
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2213/00—Organic macromolecular compounds containing halogen as ingredients in lubricant compositions
    • C10M2213/02—Organic macromolecular compounds containing halogen as ingredients in lubricant compositions obtained from monomers containing carbon, hydrogen and halogen only
    • 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
    • C10M2213/00—Organic macromolecular compounds containing halogen as ingredients in lubricant compositions
    • C10M2213/06—Perfluoro polymers
    • C10M2213/062—Polytetrafluoroethylene [PTFE]
    • 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
    • C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
    • C10M2215/04—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino 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
    • 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
    • C10M2217/00—Organic macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2217/02—Macromolecular compounds obtained from nitrogen containing monomers by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2217/028—Macromolecular compounds obtained from nitrogen containing monomers by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a nitrogen-containing hetero ring
    • 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
    • C10M2217/00—Organic macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2217/04—Macromolecular compounds from nitrogen-containing monomers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2217/046—Polyamines, i.e. macromoleculars obtained by condensation of more than eleven amine monomers
    • 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
    • C10M2217/00—Organic macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2217/06—Macromolecular compounds obtained by functionalisation op polymers with a 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
    • 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
    • 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
    • C10M2223/045—Metal containing thio derivatives
    • 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
    • C10N2040/02—Bearings
    • 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
    • C10N2040/22—Metal working with essential removal of material, e.g. cutting, grinding or drilling
    • 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
    • C10N2040/46—Textile oils

Landscapes

  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Lubricants (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

1390953 Lubricating oils SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ NV 28 April 1972 19877/72 Headings C5E and C5F Lubricating oils having viscosity indicies below 90 are prepared by blending (a) at least 1 wt. per cent of an aromatic extract of a deasphalted short residue of a paraffinic crude oil with (b) a hydrofinished aromatic extract of a vacuum distillate and/or (c) a vacuum distillate fraction of a naphthenic crude oil. In the examples a long residue of a paraffinic crude oil is vacuum distilled to yield spindle oil, light machine oil and medium machine oil distillates and a residue which is deasphalted with propane and extracted with furfural. A portion of the furfural extract is hydrofinished at 340- 360‹ C. and 130-140 atm. using a catalyst comprising Ni, Mo and P on alumina. Blends are made using the extract or using the hydrofinished extract as component (a). The spindle oils is extracted with furfural and then hydrofinished to provide component (b). The long residue of a naphthenic crude oil is vacuum distilled to provide a fraction which, after treatment with sulphuric acid, has a viscosity at 140‹ F. of 140 sec. Redwood I and another fraction which, after hydrofinishing, has a viscosity of 50 sec. Redwood; these two refined fractions are used as component (c). The blend can also contain 0À01-1 wt. per cent of a pour point depressant, e.g. a condensation product of chlorinated wax with phenol or naphthalene, a polymer of an ester of acrylic or methacrylic acid having unbranched alkyl chains containing 16-22 carbon atoms, or a copolymer of these esters with 4 vinyl pyridine, or a copolymer of ethylene and vinyl acetate; a phenolic antioxidant; a detergent, e.g. calcium petroleum sulphonate, calcium alkylsalicylate, polyisobutenyl - tetraethylene pentamine reaction product, or a reaction product of tetraethylene pentamine with an alkylsuccinic anhydride; or a zinc dialkyldithiophosphate. The blends are used as automotive oils, gear oils, axle oils, and in greases, concrete mould oils, rubber processing and extender oils, cutting oils, printing inks and moulding oils.
GB1987772A 1972-04-28 1972-04-28 Process for the preparation of lubricating oils Expired GB1390953A (en)

Priority Applications (11)

Application Number Priority Date Filing Date Title
GB1987772A GB1390953A (en) 1972-04-28 1972-04-28 Process for the preparation of lubricating oils
CA164,099A CA1009643A (en) 1972-04-28 1973-02-20 Process for the preparation of lubricating oils
AU54713/73A AU471949B2 (en) 1972-04-28 1973-04-19 Process for the preparation of lubricating oils
ZA732856A ZA732856B (en) 1972-04-28 1973-04-26 Process for the preparation of lubricating oils
JP48046789A JPS4954405A (en) 1972-04-28 1973-04-26
FR7315163A FR2182140B1 (en) 1972-04-28 1973-04-26
DE2321172A DE2321172C2 (en) 1972-04-28 1973-04-26 Process for the production of lubricating oils
IT23435/73A IT987089B (en) 1972-04-28 1973-04-26 PROCESS FOR THE PREPARATION OF LUBRICANT OILS
PH14548*A PH10316A (en) 1972-04-28 1973-04-26 Lubricating oil compositions
NLAANVRAGE7305901,A NL189472C (en) 1972-04-28 1973-04-27 METHOD FOR PREPARING LUBRICATING OILS
MY213/75A MY7500213A (en) 1972-04-28 1975-12-30 Process for the preparation of lubricating oils

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1987772A GB1390953A (en) 1972-04-28 1972-04-28 Process for the preparation of lubricating oils

Publications (1)

Publication Number Publication Date
GB1390953A true GB1390953A (en) 1975-04-16

Family

ID=10136674

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1987772A Expired GB1390953A (en) 1972-04-28 1972-04-28 Process for the preparation of lubricating oils

Country Status (11)

Country Link
JP (1) JPS4954405A (en)
AU (1) AU471949B2 (en)
CA (1) CA1009643A (en)
DE (1) DE2321172C2 (en)
FR (1) FR2182140B1 (en)
GB (1) GB1390953A (en)
IT (1) IT987089B (en)
MY (1) MY7500213A (en)
NL (1) NL189472C (en)
PH (1) PH10316A (en)
ZA (1) ZA732856B (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4385984A (en) 1980-09-09 1983-05-31 Shell Oil Company Lubricating base oil compositions
WO2007003623A1 (en) * 2005-07-01 2007-01-11 Shell Internationale Research Maatschappij B.V. Process to prepare a blended brightstock
US7347928B2 (en) 2000-12-19 2008-03-25 Shell Oil Company Process to prepare a spindle oil, light machine oil and a medium machine oil base oil grade from the bottoms fraction of a fuels hydrocracking process
WO2011145086A3 (en) * 2010-05-17 2012-06-28 Pt Pertamina (Persero) Process to produce process oil with low polyaromatic hydrocarbon content
WO2013140272A1 (en) * 2012-03-23 2013-09-26 Indian Oil Corporation Ltd. A process for manufacturing of rubber process oils with extremely low carcinogenic polycyclic aromatics compounds

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL189967C (en) * 1975-12-09 1993-09-16 Shell Int Research METHOD FOR PREPARING LUBRICATING OILS

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT238863B (en) * 1963-07-31 1965-03-10 Oemv Ag Lubricating oil
GB1153116A (en) * 1967-03-13 1969-05-21 Texaco Development Corp Solvent Refining
FR1592085A (en) * 1968-02-14 1970-05-11
GB1240785A (en) * 1968-11-08 1971-07-28 Texaco Development Corp Production of lubricating oils
NL6903633A (en) * 1969-03-10 1970-09-14

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4385984A (en) 1980-09-09 1983-05-31 Shell Oil Company Lubricating base oil compositions
US7347928B2 (en) 2000-12-19 2008-03-25 Shell Oil Company Process to prepare a spindle oil, light machine oil and a medium machine oil base oil grade from the bottoms fraction of a fuels hydrocracking process
WO2007003623A1 (en) * 2005-07-01 2007-01-11 Shell Internationale Research Maatschappij B.V. Process to prepare a blended brightstock
WO2007003617A3 (en) * 2005-07-01 2007-06-14 Shell Int Research Process to prepare a mineral derived residual deasphalted oil blend
CN101213278B (en) * 2005-07-01 2010-12-22 国际壳牌研究有限公司 Preparation method of blended bright stock
US7998340B2 (en) 2005-07-01 2011-08-16 Shell Oil Company Process to prepare a blended brightstock
WO2011145086A3 (en) * 2010-05-17 2012-06-28 Pt Pertamina (Persero) Process to produce process oil with low polyaromatic hydrocarbon content
CN102971400A (en) * 2010-05-17 2013-03-13 印尼国家石油和天然气公司 Method for producing process oils having low levels of polycyclic aromatic hydrocarbons
CN102971400B (en) * 2010-05-17 2016-02-10 印尼国家石油和天然气公司 Method for producing process oils having low levels of polycyclic aromatic hydrocarbons
US9512366B2 (en) 2010-05-17 2016-12-06 Pt Pertamina (Persero) Process to produce process oil with low polyaromatic hydrocarbon content
WO2013140272A1 (en) * 2012-03-23 2013-09-26 Indian Oil Corporation Ltd. A process for manufacturing of rubber process oils with extremely low carcinogenic polycyclic aromatics compounds
US9932529B2 (en) 2012-03-23 2018-04-03 Indian Oil Corporation Ltd. Process for manufacturing of rubber process oils with extremely low carcinogenic polycyclic aromatics compounds

Also Published As

Publication number Publication date
JPS4954405A (en) 1974-05-27
PH10316A (en) 1976-11-25
ZA732856B (en) 1974-04-24
DE2321172C2 (en) 1983-09-08
FR2182140B1 (en) 1978-06-30
NL189472C (en) 1993-04-16
CA1009643A (en) 1977-05-03
AU5471373A (en) 1974-10-24
FR2182140A1 (en) 1973-12-07
AU471949B2 (en) 1976-05-06
DE2321172A1 (en) 1973-11-08
IT987089B (en) 1975-02-20
NL189472B (en) 1992-11-16
NL7305901A (en) 1973-10-30
MY7500213A (en) 1975-12-31

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PE20 Patent expired after termination of 20 years