AT309648B - Process for making lubricating oil with a high viscosity index - Google Patents

Process for making lubricating oil with a high viscosity index

Info

Publication number
AT309648B
AT309648B AT482271A AT482271A AT309648B AT 309648 B AT309648 B AT 309648B AT 482271 A AT482271 A AT 482271A AT 482271 A AT482271 A AT 482271A AT 309648 B AT309648 B AT 309648B
Authority
AT
Austria
Prior art keywords
lubricating oil
high viscosity
viscosity index
making lubricating
making
Prior art date
Application number
AT482271A
Other languages
German (de)
Original Assignee
Shell Int Research
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
Priority claimed from FR7020719A external-priority patent/FR2092667A1/en
Application filed by Shell Int Research filed Critical Shell Int Research
Application granted granted Critical
Publication of AT309648B publication Critical patent/AT309648B/en

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/22Halogenating
    • B01J37/26Fluorinating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/76Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/84Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/85Chromium, molybdenum or tungsten
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J27/00Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/14Phosphorus; Compounds thereof
    • B01J27/186Phosphorus; Compounds thereof with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J27/188Phosphorus; Compounds thereof with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium with chromium, molybdenum, tungsten or polonium
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10GCRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G2400/00Products obtained by processes covered by groups C10G9/00 - C10G69/14
    • C10G2400/10Lubricating oil

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
  • Catalysts (AREA)
  • Lubricants (AREA)
AT482271A 1970-06-05 1971-06-03 Process for making lubricating oil with a high viscosity index AT309648B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7020719A FR2092667A1 (en) 1970-06-05 1970-06-05 Lube oil with high viscosity index from high boiling fraction
FR7113547A FR2133524B2 (en) 1970-06-05 1971-04-16

Publications (1)

Publication Number Publication Date
AT309648B true AT309648B (en) 1973-08-27

Family

ID=26215783

Family Applications (1)

Application Number Title Priority Date Filing Date
AT482271A AT309648B (en) 1970-06-05 1971-06-03 Process for making lubricating oil with a high viscosity index

Country Status (10)

Country Link
JP (1) JPS5423924B1 (en)
AT (1) AT309648B (en)
BE (1) BE767906A (en)
CA (1) CA957309A (en)
DE (1) DE2127656C2 (en)
DK (1) DK128936B (en)
FR (1) FR2133524B2 (en)
GB (1) GB1350257A (en)
NL (1) NL7107601A (en)
NO (1) NO135640C (en)

Families Citing this family (112)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2306254A1 (en) * 1975-04-02 1976-10-29 Shell France PROCESS FOR PREPARING A LUBRICATING OIL
FR2487220A1 (en) * 1980-07-23 1982-01-29 Shell France Catalysts for lubricating oil prodn. from heavy oils - contg. boria, ferrierite and catalytic metals
US5358628A (en) * 1990-07-05 1994-10-25 Mobil Oil Corporation Production of high viscosity index lubricants
US5643440A (en) * 1993-02-12 1997-07-01 Mobil Oil Corporation Production of high viscosity index lubricants
JP5057603B2 (en) * 1998-05-01 2012-10-24 昭和シェル石油株式会社 Lubricating oil composition for internal combustion engines
US6824671B2 (en) 2001-05-17 2004-11-30 Exxonmobil Chemical Patents Inc. Low noack volatility poly α-olefins
US7271209B2 (en) 2002-08-12 2007-09-18 Exxonmobil Chemical Patents Inc. Fibers and nonwovens from plasticized polyolefin compositions
US7531594B2 (en) 2002-08-12 2009-05-12 Exxonmobil Chemical Patents Inc. Articles from plasticized polyolefin compositions
US7998579B2 (en) 2002-08-12 2011-08-16 Exxonmobil Chemical Patents Inc. Polypropylene based fibers and nonwovens
US8003725B2 (en) 2002-08-12 2011-08-23 Exxonmobil Chemical Patents Inc. Plasticized hetero-phase polyolefin blends
EP2083043B1 (en) 2002-08-12 2017-01-18 ExxonMobil Chemical Patents Inc. Plasticized polyolefin compositions
US8192813B2 (en) 2003-08-12 2012-06-05 Exxonmobil Chemical Patents, Inc. Crosslinked polyethylene articles and processes to produce same
US8389615B2 (en) 2004-12-17 2013-03-05 Exxonmobil Chemical Patents Inc. Elastomeric compositions comprising vinylaromatic block copolymer, polypropylene, plastomer, and low molecular weight polyolefin
US7851418B2 (en) 2005-06-03 2010-12-14 Exxonmobil Research And Engineering Company Ashless detergents and formulated lubricating oil containing same
GB0511320D0 (en) 2005-06-03 2005-07-13 Exxonmobil Chem Patents Inc Elastomeric structures
ATE555166T1 (en) 2005-07-15 2012-05-15 Exxonmobil Chem Patents Inc ELASTOMERIC COMPOSITIONS
US20070093398A1 (en) 2005-10-21 2007-04-26 Habeeb Jacob J Two-stroke lubricating oils
US8299005B2 (en) 2006-05-09 2012-10-30 Exxonmobil Research And Engineering Company Lubricating oil composition
US7863229B2 (en) 2006-06-23 2011-01-04 Exxonmobil Research And Engineering Company Lubricating compositions
US7745544B2 (en) 2006-11-30 2010-06-29 Exxonmobil Chemical Patents Inc. Catalytic epoxidation and hydroxylation of olefin/diene copolymers
US7615589B2 (en) 2007-02-02 2009-11-10 Exxonmobil Chemical Patents Inc. Properties of peroxide-cured elastomer compositions
EP2390279A1 (en) 2009-12-17 2011-11-30 ExxonMobil Chemical Patents Inc. Polypropylene composition with plasticiser for sterilisable films
US20140194333A1 (en) 2013-01-04 2014-07-10 Exxonmobil Research And Engineering Company Method for improving engine fuel efficiency
US20150099675A1 (en) 2013-10-03 2015-04-09 Exxonmobil Research And Engineering Company Compositions with improved varnish control properties
US20150175924A1 (en) 2013-12-23 2015-06-25 Exxonmobil Research And Engineering Company Method for improving engine fuel efficiency
US10190072B2 (en) 2013-12-23 2019-01-29 Exxonmobil Research And Engineering Company Method for improving engine fuel efficiency
US20150175923A1 (en) 2013-12-23 2015-06-25 Exxonmobil Research And Engineering Company Method for improving engine fuel efficiency
US9885004B2 (en) 2013-12-23 2018-02-06 Exxonmobil Research And Engineering Company Method for improving engine fuel efficiency
WO2015099820A1 (en) 2013-12-23 2015-07-02 Exxonmobil Research And Engineering Company Method for improving engine fuel efficiency
US9506008B2 (en) 2013-12-23 2016-11-29 Exxonmobil Research And Engineering Company Method for improving engine fuel efficiency
US9896634B2 (en) 2014-05-08 2018-02-20 Exxonmobil Research And Engineering Company Method for preventing or reducing engine knock and pre-ignition
US20150322369A1 (en) 2014-05-09 2015-11-12 Exxonmobil Research And Engineering Company Method for preventing or reducing low speed pre-ignition
US20150322368A1 (en) 2014-05-09 2015-11-12 Exxonmobil Research And Engineering Company Method for preventing or reducing low speed pre-ignition
US10519394B2 (en) 2014-05-09 2019-12-31 Exxonmobil Research And Engineering Company Method for preventing or reducing low speed pre-ignition while maintaining or improving cleanliness
US20150322367A1 (en) 2014-05-09 2015-11-12 Exxonmobil Research And Engineering Company Method for preventing or reducing low speed pre-ignition
US9506009B2 (en) 2014-05-29 2016-11-29 Exxonmobil Research And Engineering Company Lubricating oil compositions with engine wear protection
US9944877B2 (en) 2014-09-17 2018-04-17 Exxonmobil Research And Engineering Company Composition and method for preventing or reducing engine knock and pre-ignition in high compression spark ignition engines
WO2016073149A1 (en) 2014-11-03 2016-05-12 Exxonmobil Research And Engineering Company Low transition temperature mixtures or deep eutectic solvents and processes for preparation thereof
SG11201702851YA (en) 2014-12-24 2017-07-28 Exxonmobil Res & Eng Co Methods for authentication and identification of petroleum products
EP3237904A1 (en) 2014-12-24 2017-11-01 Exxonmobil Research And Engineering Company Methods for determining condition and quality of petroleum products
US10000717B2 (en) 2014-12-30 2018-06-19 Exxonmobil Research And Engineering Company Lubricating oil compositions containing encapsulated microscale particles
EP3240879A1 (en) 2014-12-30 2017-11-08 ExxonMobil Research and Engineering Company Lubricating oil compositions with engine wear protection
US10781397B2 (en) 2014-12-30 2020-09-22 Exxonmobil Research And Engineering Company Lubricating oil compositions with engine wear protection
WO2016109382A1 (en) 2014-12-30 2016-07-07 Exxonmobil Research And Engineering Company Lubricating oil compositions with engine wear protection
US9926509B2 (en) 2015-01-19 2018-03-27 Exxonmobil Research And Engineering Company Lubricating oil compositions with engine wear protection and solubility
US10119093B2 (en) 2015-05-28 2018-11-06 Exxonmobil Research And Engineering Company Composition and method for preventing or reducing engine knock and pre-ignition in high compression spark ignition engines
US10119090B2 (en) 2015-07-07 2018-11-06 Exxonmobil Research And Engineering Company Composition and method for preventing or reducing engine knock and pre-ignition in high compression spark ignition engines
US9951290B2 (en) 2016-03-31 2018-04-24 Exxonmobil Research And Engineering Company Lubricant compositions
US20180037841A1 (en) 2016-08-03 2018-02-08 Exxonmobil Research And Engineering Company Lubricating engine oil for improved wear protection and fuel efficiency
EP3494199A1 (en) 2016-08-05 2019-06-12 Rutgers, the State University of New Jersey Thermocleavable friction modifiers and methods thereof
US20180100117A1 (en) 2016-10-07 2018-04-12 Exxonmobil Research And Engineering Company Lubricating oil compositions for electric vehicle powertrains
US20180100120A1 (en) 2016-10-07 2018-04-12 Exxonmobil Research And Engineering Company Method for preventing or minimizing electrostatic discharge and dielectric breakdown in electric vehicle powertrains
US20180100118A1 (en) 2016-10-07 2018-04-12 Exxonmobil Research And Engineering Company Method for controlling electrical conductivity of lubricating oils in electric vehicle powertrains
WO2018118477A1 (en) 2016-12-19 2018-06-28 Exxonmobil Research And Engineering Company Composition and method for preventing or reducing engine knock and pre-ignition compression spark ignition engines
EP3562924B8 (en) 2016-12-30 2022-07-20 ExxonMobil Technology and Engineering Company Low viscosity lubricating oil compositions for turbomachines
US10647936B2 (en) 2016-12-30 2020-05-12 Exxonmobil Research And Engineering Company Method for improving lubricant antifoaming performance and filterability
SG11201906193XA (en) 2017-02-01 2019-08-27 Exxonmobil Res & Eng Co Lubricating engine oil and method for improving engine fuel efficiency
WO2018144301A1 (en) 2017-02-06 2018-08-09 Exxonmobil Chemical Patents Inc. Low transition temperature mixtures and lubricating oils containing the same
US10793801B2 (en) 2017-02-06 2020-10-06 Exxonmobil Chemical Patents Inc. Low transition temperature mixtures and lubricating oils containing the same
US10487289B2 (en) 2017-02-21 2019-11-26 Exxonmobil Research And Engineering Company Lubricating oil compositions and methods of use thereof
US10876062B2 (en) 2017-03-24 2020-12-29 Exxonmobil Chemical Patents Inc. Cold cranking simulator viscosity boosting base stocks and lubricating oil formulations containing the same
US10858610B2 (en) 2017-03-24 2020-12-08 Exxonmobil Chemical Patents Inc. Cold cranking simulator viscosity boosting base stocks and lubricating oil formulations containing the same
US10738258B2 (en) 2017-03-24 2020-08-11 Exxonmobil Research And Engineering Company Method for improving engine fuel efficiency and energy efficiency
US10808196B2 (en) 2017-03-28 2020-10-20 Exxonmobil Chemical Patents Inc. Cold cranking simulator viscosity reducing base stocks and lubricating oil formulations containing the same
WO2019014092A1 (en) 2017-07-13 2019-01-17 Exxonmobil Research And Engineering Company Continuous process for the manufacture of grease
US20190031975A1 (en) 2017-07-21 2019-01-31 Exxonmobil Research And Engineering Company Method for improving deposit control and cleanliness performance in an engine lubricated with a lubricating oil
US20190062667A1 (en) 2017-08-25 2019-02-28 Exxonmobil Research And Engineering Company Ashless engine lubricants for high temperature applications
WO2019040580A1 (en) 2017-08-25 2019-02-28 Exxonmobil Research And Engineering Company Ashless engine lubricants for high temperature applications
US20190085256A1 (en) 2017-09-18 2019-03-21 Exxonmobil Research And Engineering Company Hydraulic oil compositions with improved hydrolytic and thermo-oxidative stability
US20190093040A1 (en) 2017-09-22 2019-03-28 Exxonmobil Research And Engineering Company Lubricating oil compositions with viscosity and deposit control
WO2019089180A1 (en) 2017-10-30 2019-05-09 Exxonmobil Research And Engineering Company Lubricating oil compositions having improved cleanliness and wear performance
US20190136147A1 (en) 2017-11-03 2019-05-09 Exxonmobil Research And Engineering Company Lubricant compositions with improved performance and methods of preparing and using the same
WO2019094019A1 (en) 2017-11-09 2019-05-16 Exxonmobil Research And Engineering Company Method for preventing or reducing low speed pre-ignition while maintaining or improving cleanliness
WO2019103808A1 (en) 2017-11-22 2019-05-31 Exxonmobil Research And Engineering Company Lubricating oil compositions with oxidative stability in diesel engines
WO2019112711A1 (en) 2017-12-04 2019-06-13 Exxonmobil Research And Enginerring Company Method for preventing or reducing low speed pre-ignition
WO2019118115A1 (en) 2017-12-15 2019-06-20 Exxonmobil Research And Engineering Company Lubricating oil compositions containing microencapsulated additives
US20190203139A1 (en) 2017-12-28 2019-07-04 Exxonmobil Research And Engineering Company Friction and wear reduction using liquid crystal base stocks
US10774286B2 (en) 2017-12-29 2020-09-15 Exxonmobil Research And Engineering Company Grease compositions with improved performance and methods of preparing and using the same
US20190203144A1 (en) 2017-12-29 2019-07-04 Exxonmobil Research And Engineering Company Lubrication of oxygenated diamond-like carbon surfaces
US20190203142A1 (en) 2017-12-29 2019-07-04 Exxonmobil Research And Engineering Company Lubricating oil compositions with wear and sludge control
WO2019217058A1 (en) 2018-05-11 2019-11-14 Exxonmobil Research And Engineering Company Method for improving engine fuel efficiency
US20190376000A1 (en) 2018-06-11 2019-12-12 Exxonmobil Research And Engineering Company Non-zinc-based antiwear compositions, hydraulic oil compositions, and methods of using the same
US20190382680A1 (en) 2018-06-18 2019-12-19 Exxonmobil Research And Engineering Company Formulation approach to extend the high temperature performance of lithium complex greases
WO2020023430A1 (en) 2018-07-23 2020-01-30 Exxonmobil Research And Engineering Company Lubricating oil compositions with oxidative stability in diesel engines using biodiesel fuel
WO2020023437A1 (en) 2018-07-24 2020-01-30 Exxonmobil Research And Engineering Company Lubricating oil compositions with engine corrosion protection
WO2020068439A1 (en) 2018-09-27 2020-04-02 Exxonmobil Research And Engineering Company Low viscosity lubricating oils with improved oxidative stability and traction performance
US20200140775A1 (en) 2018-11-05 2020-05-07 Exxonmobil Research And Engineering Company Lubricating oil compositions having improved cleanliness and wear performance
WO2020112338A1 (en) 2018-11-28 2020-06-04 Exxonmobil Research And Engineering Company Lubricating oil compositions with improved deposit resistance and methods thereof
US20200181525A1 (en) 2018-12-10 2020-06-11 Exxonmobil Research And Engineering Company Method for improving oxidation and deposit resistance of lubricating oils
US20200199477A1 (en) 2018-12-19 2020-06-25 Exxonmobil Research And Engineering Company Method for improving high temperature antifoaming performance of a lubricating oil
WO2020132164A1 (en) 2018-12-19 2020-06-25 Exxonmobil Research And Engineering Company Lubricating oil compositions with viscosity control
WO2020132166A1 (en) 2018-12-19 2020-06-25 Exxonmobil Research And Engineering Company Lubricating oil compositions with antioxidant formation and dissipation control
US20200199473A1 (en) 2018-12-19 2020-06-25 Exxonmobil Research And Engineering Company Grease compositions having improved performance
WO2020131440A1 (en) 2018-12-19 2020-06-25 Exxonmobil Research And Engineering Company Grease compositions having calcium sulfonate and polyurea thickeners
WO2020131439A1 (en) 2018-12-19 2020-06-25 Exxonmobil Research And Engineering Company Grease compositions having polyurea thickeners made with isocyanate terminated prepolymers
US20200199475A1 (en) 2018-12-19 2020-06-25 Exxonmobil Research And Engineering Company Lubricant Compositions With Improved Wear Control
US11629308B2 (en) 2019-02-28 2023-04-18 ExxonMobil Technology and Engineering Company Low viscosity gear oil compositions for electric and hybrid vehicles
EP3942004A1 (en) 2019-03-20 2022-01-26 Basf Se Lubricant composition
WO2020257377A1 (en) 2019-06-19 2020-12-24 Exxonmobil Research And Engineering Company Heat transfer fluids and methods of use
WO2020257371A1 (en) 2019-06-19 2020-12-24 Exxonmobil Research And Engineering Company Heat transfer fluids and methods of use
WO2020257373A1 (en) 2019-06-19 2020-12-24 Exxonmobil Research And Engineering Company Heat transfer fluids and methods of use
WO2020257374A1 (en) 2019-06-19 2020-12-24 Exxonmobil Research And Engineering Company Heat transfer fluids and methods of use
US10712105B1 (en) 2019-06-19 2020-07-14 Exxonmobil Research And Engineering Company Heat transfer fluids and methods of use
WO2020257378A1 (en) 2019-06-19 2020-12-24 Exxonmobil Research And Engineering Company Heat transfer fluids and methods of use
WO2020257379A1 (en) 2019-06-19 2020-12-24 Exxonmobil Research And Engineering Company Heat transfer fluids and methods of use
WO2020257370A1 (en) 2019-06-19 2020-12-24 Exxonmobil Research And Engineering Company Heat transfer fluids and methods of use
WO2020257375A1 (en) 2019-06-19 2020-12-24 Exxonmobil Research And Engineering Company Heat transfer fluids and methods of use
WO2020257376A1 (en) 2019-06-19 2020-12-24 Exxonmobil Research And Engineering Company Heat transfer fluids and methods of use
WO2020264534A2 (en) 2019-06-27 2020-12-30 Exxonmobil Research And Engineering Company Method for reducing solubilized copper levels in wind turbine gear oils
US11976251B2 (en) 2019-12-18 2024-05-07 ExxonMobil Technology and Engineering Company Method for controlling lubrication of a rotary shaft seal
WO2021194813A1 (en) 2020-03-27 2021-09-30 Exxonmobil Research And Engineering Company Monitoring health of heat transfer fluids for electric systems
US11760952B2 (en) 2021-01-12 2023-09-19 Ingevity South Carolina, Llc Lubricant thickener systems from modified tall oil fatty acids, lubricating compositions, and associated methods

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2878180A (en) * 1954-06-21 1959-03-17 Universal Oil Prod Co Hydrofining process and catalyst thereof
US3105813A (en) * 1957-07-29 1963-10-01 Standard Oil Co Hydrogenation of lubricating oils
NL237278A (en) * 1958-03-20
FR1306728A (en) * 1961-09-06 1962-10-19 Fr Des Produits Pour Catalyse New hydrocarbon conversion catalyst and its applications

Also Published As

Publication number Publication date
FR2133524B2 (en) 1975-10-10
DE2127656A1 (en) 1971-12-09
NL7107601A (en) 1971-12-07
DE2127656C2 (en) 1982-03-18
DK128936B (en) 1974-07-29
FR2133524A2 (en) 1972-12-01
JPS5423924B1 (en) 1979-08-17
CA957309A (en) 1974-11-05
BE767906A (en) 1971-12-01
NO135640B (en) 1977-01-24
NO135640C (en) 1977-05-04
GB1350257A (en) 1974-04-18

Similar Documents

Publication Publication Date Title
AT309648B (en) Process for making lubricating oil with a high viscosity index
NL161809C (en) PROCESS FOR PREPARING A LUBRICATING OIL MIX WITH AN IMPROVED VISCOSITY INDEX.
NL170018C (en) PROCESS FOR PREPARING A LUBRICANT COMPOSITION WITH IMPROVED VISCOSITY INDEX.
AT315339B (en) Process for making sulfurized triisobutylene lubricating oil additives
ATA460872A (en) PROCESS FOR MANUFACTURING AN OVER BASIC LUBRICATING OIL ADDITIVE
BE802800R (en) PROCESS FOR THE PREPARATION OF LUBRICATING OIL WITH HIGH VISCOSITY INDEX
ZA711023B (en) Process for the preparation of lubricating oil with a high viscosity index
BE750867A (en) PROCESS FOR THE PREPARATION OF LUBRICATING OILS WITH A HIGH VISCOSITY INDEX
CH542277A (en) Process for stabilizing lubricating oils
DK142955C (en) PROCEDURE FOR PREPARING SYNTHETIC LUBRICATION OIL WITH HIGH VISCOSITY INDEX
AT295716B (en) Process for the production of lubricating oils with a very high viscosity index
CH479687A (en) Process for the production of lubricating oil fractions with a high viscosity index
AT338397B (en) METHOD OF MANUFACTURING A RANGE OF LUBRICATING OILS
CH444999A (en) Process for the production of lubricating oil
BE779072A (en) PROCESS FOR PREPARING A LUBRICATING OIL COMPOSITION
AT325785B (en) METHOD FOR MANUFACTURING PAPAVERINE ANALOGS
AT299423B (en) Process for the catalytic hydrogenation of hydrocarbons, especially for the production of lubricating oils with viscosity indices from 90 to 145
CH519569A (en) Process for the continuous production of lubricating greases
ATA678273A (en) PROCESS FOR MANUFACTURING LUBRICATING OIL WITH HIGH VISCOSITY INDEX
JPS5523182A (en) Production of lubricating oil with high viscosity index
IT960620B (en) FOG LUBRICATION WITH OIL CONTAINING A POLYMER ADDITIVE
CH555353A (en) PROCESS FOR THE PRODUCTION OF NEW BASIC SUBSTITUTED ALKYL THEOPHYLLINES WITH A BRANCHED ALKYL GROUP.
AT329728B (en) METHODS FOR IMPROVING LUBRICATING OILS
AT307601B (en) Process for producing a lubricating oil with a high viscosity index
ZA713588B (en) Process for the preparation of lubricating oil with a high viscosity index

Legal Events

Date Code Title Description
EFA Change in the company name
ELJ Ceased due to non-payment of the annual fee