SG47398A1 - Lubricant composition containing antiwear additive combination - Google Patents

Lubricant composition containing antiwear additive combination

Info

Publication number
SG47398A1
SG47398A1 SG1996000528A SG1996000528A SG47398A1 SG 47398 A1 SG47398 A1 SG 47398A1 SG 1996000528 A SG1996000528 A SG 1996000528A SG 1996000528 A SG1996000528 A SG 1996000528A SG 47398 A1 SG47398 A1 SG 47398A1
Authority
SG
Singapore
Prior art keywords
zinc
lubricant composition
antiwear additive
additive combination
composition containing
Prior art date
Application number
SG1996000528A
Other languages
English (en)
Inventor
John Ian Atherton
David Gary Lawton Holt
Patrick Desmond Fraser Vernon
Original Assignee
Exxon Research 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
Priority claimed from GB939318896A external-priority patent/GB9318896D0/en
Priority claimed from GB939318895A external-priority patent/GB9318895D0/en
Application filed by Exxon Research Engineering Co filed Critical Exxon Research Engineering Co
Publication of SG47398A1 publication Critical patent/SG47398A1/en

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
    • C10M129/00Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen
    • C10M129/02Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen having a carbon chain of less than 30 atoms
    • C10M129/26Carboxylic acids; Salts thereof
    • C10M129/28Carboxylic acids; Salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M129/38Carboxylic acids; Salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having 8 or more carbon atoms
    • C10M129/40Carboxylic acids; Salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having 8 or more carbon atoms 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
    • C10M135/00Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing sulfur, selenium or tellurium
    • C10M135/12Thio-acids; Thiocyanates; Derivatives thereof
    • C10M135/14Thio-acids; Thiocyanates; Derivatives thereof having a carbon-to-sulfur double bond
    • 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
    • C10M135/00Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing sulfur, selenium or tellurium
    • C10M135/12Thio-acids; Thiocyanates; Derivatives thereof
    • C10M135/14Thio-acids; Thiocyanates; Derivatives thereof having a carbon-to-sulfur double bond
    • C10M135/18Thio-acids; Thiocyanates; Derivatives thereof having a carbon-to-sulfur double bond thiocarbamic type, e.g. containing the groups
    • 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
    • C10M137/00Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing phosphorus
    • C10M137/02Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing phosphorus having no phosphorus-to-carbon bond
    • C10M137/04Phosphate esters
    • C10M137/10Thio derivatives
    • 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
    • C10M141/00Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups C10M125/00 - C10M139/00, each of these compounds being essential
    • C10M141/10Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups C10M125/00 - C10M139/00, each of these compounds being essential at least one of them being an organic phosphorus-containing compound
    • 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
    • C10M159/18Complexes with metals
    • 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
    • C10M2207/09Metal enolates, i.e. keto-enol metal complexes
    • 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
    • C10M2207/125Carboxylix 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
    • C10M2207/126Carboxylix 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 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
    • C10M2207/12Carboxylix 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
    • C10M2207/16Naphthenic 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
    • C10M2219/00Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
    • C10M2219/06Thio-acids; Thiocyanates; Derivatives thereof
    • C10M2219/062Thio-acids; Thiocyanates; Derivatives thereof having carbon-to-sulfur double bonds
    • 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
    • C10M2219/06Thio-acids; Thiocyanates; Derivatives thereof
    • C10M2219/062Thio-acids; Thiocyanates; Derivatives thereof having carbon-to-sulfur double bonds
    • C10M2219/066Thiocarbamic type compounds
    • 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
    • C10M2219/06Thio-acids; Thiocyanates; Derivatives thereof
    • C10M2219/062Thio-acids; Thiocyanates; Derivatives thereof having carbon-to-sulfur double bonds
    • C10M2219/066Thiocarbamic type compounds
    • C10M2219/068Thiocarbamate metal 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
    • C10M2223/00Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
    • C10M2223/02Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
    • C10M2223/04Phosphate esters
    • C10M2223/045Metal containing thio derivatives
    • 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
    • C10M2223/00Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
    • C10M2223/02Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
    • C10M2223/04Phosphate esters
    • C10M2223/047Thioderivatives not containing metallic elements
    • 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
    • C10M2227/00Organic non-macromolecular compounds containing atoms of elements not provided for in groups C10M2203/00, C10M2207/00, C10M2211/00, C10M2215/00, C10M2219/00 or C10M2223/00 as ingredients in lubricant compositions
    • C10M2227/09Complexes with metals
    • 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
    • C10N2010/00Metal present as such or in compounds
    • C10N2010/04Groups 2 or 12
    • 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
    • C10N2010/00Metal present as such or in compounds
    • C10N2010/12Groups 6 or 16
    • 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)
SG1996000528A 1993-09-13 1994-09-09 Lubricant composition containing antiwear additive combination SG47398A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB939318896A GB9318896D0 (en) 1993-09-13 1993-09-13 Lubricant composition containing antiwear additive combination
GB939318895A GB9318895D0 (en) 1993-09-13 1993-09-13 Lubricant composition containing antiwear additive combination

Publications (1)

Publication Number Publication Date
SG47398A1 true SG47398A1 (en) 1998-04-17

Family

ID=26303507

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1996000528A SG47398A1 (en) 1993-09-13 1994-09-09 Lubricant composition containing antiwear additive combination

Country Status (11)

Country Link
EP (1) EP0719314B1 (ja)
JP (1) JPH09506910A (ja)
KR (1) KR100237074B1 (ja)
AT (1) ATE175438T1 (ja)
CA (1) CA2171538C (ja)
DE (1) DE69415817T2 (ja)
ES (1) ES2128581T3 (ja)
HK (1) HK1014024A1 (ja)
MY (1) MY116337A (ja)
SG (1) SG47398A1 (ja)
WO (1) WO1995007964A1 (ja)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0903399B1 (de) * 1997-09-18 2007-02-14 Ciba SC Holding AG Schmierstoffzusammensetzungen mit Thiophosphorsäureestern und Dithiophosphorsäureestern
US5939364A (en) * 1997-12-12 1999-08-17 Exxon Research & Engineering Co. Lubricating oil containing additive comprising reaction product of molybdenum dithiocarbamate and dihydrocarbyl dithiophosphoric acid
KR20030090891A (ko) * 2002-05-22 2003-12-01 현대자동차주식회사 자동차 기어유 조성물
KR100488860B1 (ko) * 2002-07-25 2005-05-11 현대자동차주식회사 무단변속기유 조성물
US7884059B2 (en) 2004-10-20 2011-02-08 Afton Chemical Corporation Oil-soluble molybdenum derivatives derived from hydroxyethyl-substituted Mannich bases
CN101007977B (zh) * 2006-01-27 2011-12-21 广东高奇能源工程有限公司 用于机动车发动机的油路纳米护理剂
US8822393B2 (en) 2010-11-19 2014-09-02 Chevron U.S.A. Inc. Lubricant for percussion equipment
CN108884407A (zh) * 2016-03-31 2018-11-23 出光兴产株式会社 润滑油组合物和使用其的精密减速器
WO2017171020A1 (ja) * 2016-03-31 2017-10-05 出光興産株式会社 潤滑油組成物及びそれを使用した精密減速機
CN109652171B (zh) * 2017-10-12 2021-12-14 中国石油化工股份有限公司 一种工业机器人关节rv减速机专用油组合物
CN116515549A (zh) * 2023-04-28 2023-08-01 安徽金德润滑科技有限公司 一种长寿命风电齿轮油及其制备方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54113604A (en) * 1978-02-27 1979-09-05 Asahi Denka Kogyo Kk Lubricant oil composition for internal combustion engine
US4383931A (en) * 1981-12-02 1983-05-17 Gulf Research & Development Company Lubricating oils containing molybdenyl chelates
US4612129A (en) * 1985-01-31 1986-09-16 The Lubrizol Corporation Sulfur-containing compositions, and additive concentrates and lubricating oils containing same
US4692256A (en) * 1985-06-12 1987-09-08 Asahi Denka Kogyo K.K. Molybdenum-containing lubricant composition
US4832867A (en) * 1987-10-22 1989-05-23 Idemitsu Kosan Co., Ltd. Lubricating oil composition
GB8826961D0 (en) * 1988-11-18 1988-12-21 Castrol Ltd Lubricant compositions
IT1229656B (it) * 1989-04-21 1991-09-06 Mini Ricerca Scient Tecnolog Composizioni lubrificanti contenenti ditiofosfati non metallici.
US4966719A (en) * 1990-03-12 1990-10-30 Exxon Research & Engineering Company Multifunctional molybdenum and sulfur containing lube additives
JP2989311B2 (ja) * 1991-04-30 1999-12-13 協同油脂株式会社 等速ジョイント用グリース組成物
CA2093029C (en) * 1992-04-14 2003-07-29 Jon C. Root Lubricants, particularly lubricating grease compositions for constant velocity universal joints
JPH0680981A (ja) * 1992-08-31 1994-03-22 Tonen Corp 内燃機関用潤滑油組成物

Also Published As

Publication number Publication date
KR960705009A (ko) 1996-10-09
ATE175438T1 (de) 1999-01-15
MY116337A (en) 2004-01-31
EP0719314B1 (en) 1999-01-07
KR100237074B1 (ko) 2000-01-15
WO1995007964A1 (en) 1995-03-23
DE69415817T2 (de) 1999-06-10
HK1014024A1 (en) 1999-09-17
EP0719314A1 (en) 1996-07-03
DE69415817D1 (de) 1999-02-18
CA2171538C (en) 2004-10-26
CA2171538A1 (en) 1995-03-23
JPH09506910A (ja) 1997-07-08
ES2128581T3 (es) 1999-05-16

Similar Documents

Publication Publication Date Title
MY119034A (en) Lubricant composition containing combination of antiwear and antioxidant additives.
HK1014024A1 (en) Lubricant composition containing antiwear additive combination
EP1013749A3 (en) Lubricating compositions
CA2299229A1 (en) Lubricants containing molybdenum compounds, phenates and diarylamines
RU2000112649A (ru) Смазочная композиция, включающая комплект уменьшающих трение присадок, и консистентные смазки
DE69208009D1 (de) Schmiermittelzusammensetzungen
EP1046700A3 (en) Grease composition for constant velocity joint
BR0008999A (pt) Composição de graxa, processo de lubrificação de uma junta de velocidade constante, e, junta de velocidade constante
TW349118B (en) Grease composition for constant velocity joints
CA2235182A1 (en) Synergistic organomolybdenum compositions and lubricating compositions containing same
SG110020A1 (en) Lubricant composition containing phosphorous, molybdenum, and hydroxy-substituted dithiocarbamates
AU585699B2 (en) Improved lubricating oil
US6187723B1 (en) Lubricant composition containing antiwear additive combination
CA2093029A1 (en) Lubricants, particularly lubricating grease compositions for constant velocity universal joints
CA2209859A1 (en) Lubricating oil for internal combustion engine
JPS55143997A (en) Sulfurized metal dithiophosphate and application as additive for lubricant oil
TH33751A (th) สารผสมในการหล่อลื่น
RO82226B1 (ro) Aditiv multifunctional pentru uleiuri lubrifiante si procedeu de obtinere a acestuia