DE3379663D1 - Lubricating oil additives - Google Patents

Lubricating oil additives

Info

Publication number
DE3379663D1
DE3379663D1 DE8383302734T DE3379663T DE3379663D1 DE 3379663 D1 DE3379663 D1 DE 3379663D1 DE 8383302734 T DE8383302734 T DE 8383302734T DE 3379663 T DE3379663 T DE 3379663T DE 3379663 D1 DE3379663 D1 DE 3379663D1
Authority
DE
Germany
Prior art keywords
lubricating oil
oil additives
additives
lubricating
oil
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
DE8383302734T
Other languages
English (en)
Inventor
John Frederick Marsh
Joseph Marian Swietlik
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.)
ExxonMobil Technology and Engineering Co
Original Assignee
Exxon Research and Engineering Co
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=10530377&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3379663(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Exxon Research and Engineering Co filed Critical Exxon Research and Engineering Co
Application granted granted Critical
Publication of DE3379663D1 publication Critical patent/DE3379663D1/de
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M163/00Lubricating compositions characterised by the additive being a mixture of a compound of unknown or incompletely defined constitution and a non-macromolecular compound, each of these compounds being essential
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M159/00Lubricating compositions characterised by the additive being of unknown or incompletely defined constitution
    • C10M159/12Reaction products
    • C10M159/20Reaction mixtures having an excess of neutralising base, e.g. so-called overbasic or highly basic products
    • C10M159/22Reaction mixtures having an excess of neutralising base, e.g. so-called overbasic or highly basic products containing phenol radicals
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/02Hydroxy compounds
    • C10M2207/023Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings
    • C10M2207/028Overbased salts thereof
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/10Carboxylix acids; Neutral salts thereof
    • C10M2207/12Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M2207/121Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of seven or less carbon atoms
    • C10M2207/123Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of seven or less carbon atoms polycarboxylic
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/10Carboxylix acids; Neutral salts thereof
    • C10M2207/12Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M2207/125Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/10Carboxylix acids; Neutral salts thereof
    • C10M2207/12Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M2207/129Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of thirty or more carbon atoms
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/10Carboxylix acids; Neutral salts thereof
    • C10M2207/14Carboxylix acids; Neutral salts thereof having carboxyl groups bound to carbon atoms of six-membered aromatic rings
    • C10M2207/141Carboxylix acids; Neutral salts thereof having carboxyl groups bound to carbon atoms of six-membered aromatic rings monocarboxylic
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/10Carboxylix acids; Neutral salts thereof
    • C10M2207/14Carboxylix acids; Neutral salts thereof having carboxyl groups bound to carbon atoms of six-membered aromatic rings
    • C10M2207/142Carboxylix acids; Neutral salts thereof having carboxyl groups bound to carbon atoms of six-membered aromatic rings polycarboxylic
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/10Carboxylix acids; Neutral salts thereof
    • C10M2207/22Acids obtained from polymerised unsaturated acids
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/26Overbased carboxylic acid salts
    • C10M2207/262Overbased carboxylic acid salts derived from hydroxy substituted aromatic acids, e.g. salicylates
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2219/00Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
    • C10M2219/04Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions containing sulfur-to-oxygen bonds, i.e. sulfones, sulfoxides
    • C10M2219/046Overbasedsulfonic acid salts
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2219/00Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
    • C10M2219/08Thiols; Sulfides; Polysulfides; Mercaptals
    • C10M2219/082Thiols; Sulfides; Polysulfides; Mercaptals containing sulfur atoms bound to acyclic or cycloaliphatic carbon atoms
    • C10M2219/087Thiols; Sulfides; Polysulfides; Mercaptals containing sulfur atoms bound to acyclic or cycloaliphatic carbon atoms containing hydroxy groups; Derivatives thereof, e.g. sulfurised phenols
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2219/00Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
    • C10M2219/08Thiols; Sulfides; Polysulfides; Mercaptals
    • C10M2219/082Thiols; Sulfides; Polysulfides; Mercaptals containing sulfur atoms bound to acyclic or cycloaliphatic carbon atoms
    • C10M2219/087Thiols; Sulfides; Polysulfides; Mercaptals containing sulfur atoms bound to acyclic or cycloaliphatic carbon atoms containing hydroxy groups; Derivatives thereof, e.g. sulfurised phenols
    • C10M2219/088Neutral salts
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2219/00Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
    • C10M2219/08Thiols; Sulfides; Polysulfides; Mercaptals
    • C10M2219/082Thiols; Sulfides; Polysulfides; Mercaptals containing sulfur atoms bound to acyclic or cycloaliphatic carbon atoms
    • C10M2219/087Thiols; Sulfides; Polysulfides; Mercaptals containing sulfur atoms bound to acyclic or cycloaliphatic carbon atoms containing hydroxy groups; Derivatives thereof, e.g. sulfurised phenols
    • C10M2219/089Overbased salts
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10NINDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2070/00Specific manufacturing methods for lubricant compositions
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10NINDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2070/00Specific manufacturing methods for lubricant compositions
    • C10N2070/02Concentrating of additives

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Lubricants (AREA)
DE8383302734T 1982-05-14 1983-05-13 Lubricating oil additives Expired DE3379663D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8214192 1982-05-14

Publications (1)

Publication Number Publication Date
DE3379663D1 true DE3379663D1 (en) 1989-05-24

Family

ID=10530377

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8383302734T Expired DE3379663D1 (en) 1982-05-14 1983-05-13 Lubricating oil additives

Country Status (6)

Country Link
US (2) US5069804A (de)
EP (1) EP0094814B1 (de)
JP (2) JPH07103390B2 (de)
BR (1) BR8302526A (de)
CA (1) CA1207313A (de)
DE (1) DE3379663D1 (de)

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8417297D0 (en) * 1984-07-06 1984-08-08 Shell Int Research Preparation of sulphurized overbased salicylates
NZ221128A (en) * 1986-08-08 1989-09-27 Chevron Res Overbased sulphurised alkylphenols as lube oil additives
US5714443A (en) * 1986-11-29 1998-02-03 Bp Chemicals (Additives) Limited Sulphurised alkaline earth metal hydrocarbyl phenates, their production and use thereof
US5716914A (en) * 1986-11-29 1998-02-10 Bp International Limited Alkaline earth metal hydrocarbyl phenates, their sulphurized derivatives, their production and use thereof
GB8628609D0 (en) * 1986-11-29 1987-01-07 Bp Chemicals Additives Lubricating oil additives
US4938880A (en) * 1987-05-26 1990-07-03 Exxon Chemical Patents Inc. Process for preparing stable oleaginous compositions
GB8814010D0 (en) * 1988-06-14 1988-07-20 Bp Chemicals Addivites Ltd Lubricating oil additives
GB8814013D0 (en) * 1988-06-14 1988-07-20 Bp Chemicals Additives Chemical process
GB8814008D0 (en) * 1988-06-14 1988-07-20 Bp Chemicals Additives Lubricating oil additives
US5292968A (en) * 1992-02-26 1994-03-08 Cosmo Research Institute Process for producing over-based alkaline earth metal phenate
GB9213723D0 (en) * 1992-06-27 1992-08-12 Bp Chemicals Additives Process for the production of lubricating oil additives
US5320763A (en) * 1993-03-12 1994-06-14 Chevron Research And Technology Company Low viscosity group II metal overbased sulfurized C10 to C16 alkylphenate compositions
US5318710A (en) * 1993-03-12 1994-06-07 Chevron Research And Technology Company Low viscosity Group II metal overbased sulfurized C16 to C22 alkylphenate compositions
US5320762A (en) * 1993-03-12 1994-06-14 Chevron Research And Technology Company Low viscosity Group II metal overbased sulfurized C12 to C22 alkylphenate compositions
TW277057B (de) * 1993-08-25 1996-06-01 Cosmo Sogo Kenkyusho Kk
GB9400415D0 (en) * 1994-01-11 1994-03-09 Bp Chemicals Additives Detergent compositions
GB9400417D0 (en) * 1994-01-11 1994-03-09 Bp Chemicals Additives Lubricating oil composition
US6008166A (en) * 1994-01-11 1999-12-28 Lubrizol Adibis Holdings Limited Detergent compositions
EP0689900B1 (de) 1994-04-20 1999-08-25 Kabushiki Kaisha Topcon Vorrichtung zum Messen einer Brillenfassung
EP0778336A1 (de) * 1995-12-08 1997-06-11 Cosmo Research Institute Erdöladditive mit ausgezeichnerter Lagerungs- und Wärmestabilität enthaltend ein erdalkalimetale Salz von einer aromatischen Hydroxycarbonsäure oder einer sulfurierten Mischung davon
GB9611318D0 (en) 1996-05-31 1996-08-07 Exxon Chemical Patents Inc Overbased metal-containing detergents
GB9611317D0 (en) 1996-05-31 1996-08-07 Exxon Chemical Patents Inc Overbased metal-containing detergents
GB9611424D0 (en) * 1996-05-31 1996-08-07 Exxon Chemical Patents Inc Overbased metal-containing detergents
US5728657A (en) * 1996-08-20 1998-03-17 Chevron Chemical Company Production of low fine sediment high TBN phenate stearate
AU3312399A (en) 1998-02-26 1999-09-15 Crompton Corporation Viscosity drift control in overbased detergents
AU2003200515B2 (en) * 1998-02-26 2004-03-25 General Electric Company Viscosity drift control in overbased detergents
US5942476A (en) * 1998-06-03 1999-08-24 Chevron Chemical Company Low-viscosity highly overbased phenate-carboxylate
US6348438B1 (en) 1999-06-03 2002-02-19 Chevron Oronite S.A. Production of high BN alkaline earth metal single-aromatic ring hydrocarbyl salicylate-carboxylate
US7585821B2 (en) * 2002-08-06 2009-09-08 Infineum International Limited Modified detergents and lubricating oil compositions containing same
US7960324B2 (en) * 2004-09-03 2011-06-14 Chevron Oronite Company Llc Additive composition having low temperature viscosity corrosion and detergent properties
EP1743933B1 (de) * 2005-07-14 2019-10-09 Infineum International Limited Verwendung zur Verbesserung der Kompatibilität eines Detergens mit Reibungsmodifikatoren in einer Schmiermittelzusammensetzung
JP2010500453A (ja) * 2006-08-07 2010-01-07 ザ ルブリゾル コーポレイション 内燃機関を潤滑する方法
ES2655116T3 (es) * 2006-09-19 2018-02-16 Infineum International Limited Una composición de aceite lubricante
EP1903093B1 (de) * 2006-09-19 2017-12-20 Infineum International Limited Schmierölzusammensetzung
CA2827438A1 (en) 2011-02-17 2012-08-23 The Lubrizol Corporation Lubricants with good tbn retention
EP2674474B1 (de) 2012-06-13 2015-09-09 Infineum International Limited Prozess zur Herstellung eines Phenat-Detergents
EP2733191B1 (de) * 2012-11-14 2016-04-27 Infineum International Limited Phenatreinigungsmittelherstellung
CN105593354B (zh) 2013-07-31 2019-07-05 路博润公司 润滑包括具有非金属表面的同步器的变速器的方法
EP3199612A1 (de) 2016-01-26 2017-08-02 Infineum International Limited Metallreinigungsmittel

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3336224A (en) * 1965-04-28 1967-08-15 Chevron Res High alkalinity overbased phenate
GB1094609A (en) * 1965-08-23 1967-12-13 Lubrizol Corp Oil soluble basic alkaline earth metal salts of phenol sulfides
GB1105217A (en) * 1965-10-05 1968-03-06 Lubrizol Corp Process for preparing basic metal phenates
US3388063A (en) * 1966-08-10 1968-06-11 Chevron Res Magnesium overbased phenate
DK144336C (da) * 1970-05-19 1982-07-26 Agip Spa Syreneutraliserende smoeremiddel
GB1440261A (en) * 1973-02-01 1976-06-23 Exxon Research Engineering Co Lubricant compositions
GB1470338A (en) * 1974-05-17 1977-04-14 Exxon Research Engineering Co Lubricating oil compositions
GB1469289A (en) * 1974-07-05 1977-04-06 Exxon Research Engineering Co Detergent additives
US4104180A (en) * 1975-05-23 1978-08-01 Exxon Research & Engineering Co. Production of overbased metal phenates
US4171269A (en) * 1976-12-27 1979-10-16 Texaco Inc. Sulfurized lubricant composition
GB1597482A (en) * 1977-01-28 1981-09-09 Exxon Research Engineering Co Metal phenates
US4328111A (en) * 1978-11-20 1982-05-04 Standard Oil Company (Indiana) Modified overbased sulfonates and phenates
GB2055885B (en) * 1979-07-27 1983-06-22 Exxon Research Engineering Co Overbased magnesium detergent additives

Also Published As

Publication number Publication date
JPH07103390B2 (ja) 1995-11-08
JPS58225197A (ja) 1983-12-27
EP0094814B1 (de) 1989-04-19
BR8302526A (pt) 1984-01-17
EP0094814A2 (de) 1983-11-23
JPH05194977A (ja) 1993-08-03
JPH0721152B2 (ja) 1995-03-08
CA1207313A (en) 1986-07-08
EP0094814A3 (en) 1986-02-05
US5069804A (en) 1991-12-03
USRE35461E (en) 1997-02-25

Similar Documents

Publication Publication Date Title
DE3379663D1 (en) Lubricating oil additives
EP0140274A3 (en) Lubricating oil additives
DE3363432D1 (en) Lubricating oil composition
DE3375156D1 (en) Lubricating oil composition
DE3370819D1 (en) Lubricating oil composition
JPS57177095A (en) Lubricant oil additive
GB8416635D0 (en) Lubricating oil
GB8320546D0 (en) Lubricating oil compositions
GB8432105D0 (en) Lubricant additives
JPS57185392A (en) Lubricant oil composition
PL246163A1 (en) Anhydrous oil lubricant
AU558524B2 (en) Polymeric lubricating oil additive
GB2126245B (en) Synthetic ester lubricating oil composition
AU574657B2 (en) Macrocyclic polyamine lubricating oil additives
JPS5761089A (en) Lubricant oil composition
GB2134538B (en) Lubricating oils
DE3378730D1 (en) Lubricating oil composition
GB2083494B (en) Lubricating base oil compositions
DE3169874D1 (en) Lubricating oil composition
GB2099847B (en) Reclaiming used lubricating oil
GB8314039D0 (en) Lubricating oil additives
GB8623649D0 (en) Additives for lubricating oils
ZA834111B (en) Lubricating oil composition
GB2033907B (en) Lubricating oil additives
GB2127431B (en) Lubricating oil composition

Legal Events

Date Code Title Description
8363 Opposition against the patent
8331 Complete revocation