CA2680919C - Fluide de transmission multifonctionnel - Google Patents

Fluide de transmission multifonctionnel Download PDF

Info

Publication number
CA2680919C
CA2680919C CA2680919A CA2680919A CA2680919C CA 2680919 C CA2680919 C CA 2680919C CA 2680919 A CA2680919 A CA 2680919A CA 2680919 A CA2680919 A CA 2680919A CA 2680919 C CA2680919 C CA 2680919C
Authority
CA
Canada
Prior art keywords
composition
dimercapto
phosphorus
thiadiazole
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.)
Active
Application number
CA2680919A
Other languages
English (en)
Other versions
CA2680919A1 (fr
Inventor
Craig D. Tipton
James L. Sumiejski
Shreyasi Lahiri
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.)
Lubrizol Corp
Original Assignee
Lubrizol Corp
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 Lubrizol Corp filed Critical Lubrizol Corp
Publication of CA2680919A1 publication Critical patent/CA2680919A1/fr
Application granted granted Critical
Publication of CA2680919C publication Critical patent/CA2680919C/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • C10M141/00—Lubricating 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
    • C10M141/10—Lubricating 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
    • 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
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/085—Phosphorus oxides, acids or 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
    • C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
    • C10M2203/04—Well-defined cycloaliphatic 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
    • C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
    • C10M2205/02—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
    • C10M2205/026—Butene
    • 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
    • C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
    • C10M2205/02—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
    • C10M2205/028—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers containing aliphatic monomers having more than four carbon atoms
    • C10M2205/0285—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers containing aliphatic monomers having more than four carbon atoms used as base material
    • 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
    • C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
    • C10M2219/10—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring
    • C10M2219/104—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring containing sulfur and carbon with nitrogen or oxygen in the ring
    • C10M2219/106—Thiadiazoles
    • 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
    • C10M2223/042—Metal salts thereof
    • 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
    • C10M2223/043—Ammonium or amine salts thereof
    • 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
    • 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
    • C10M2223/047—Thioderivatives not containing metallic elements
    • 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
    • C10M2223/049—Phosphite
    • 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
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/02—Pour-point; Viscosity index
    • 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
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/06—Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
    • 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
    • C10N2040/04—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives
    • C10N2040/042—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives for automatic transmissions
    • 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
    • C10N2040/04—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives
    • C10N2040/044—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives for manual transmissions
    • 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
    • C10N2040/04—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives
    • C10N2040/045—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives for continuous variable transmission [CVT]
    • 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
    • C10N2040/04—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives
    • C10N2040/046—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives for traction drives

Landscapes

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

Abstract

L'invention concerne une composition comprenant 1 à 20 pour cent en poids d'un composé ayant un coefficient de traction d'au moins environ 0,045, au mois 50 pour cent en poids d'une huile de viscosité de lubrification, un composé de phosphore et du 2,5-dimercapto-1,3,4-thiadiazole ou un dérivé de celui-ci et ayant une viscosité cinématique à 100 °C pouvant atteindre environ 12 mm2/s, qui est appropriée pour lubrifier une transmission.
CA2680919A 2007-03-13 2008-03-12 Fluide de transmission multifonctionnel Active CA2680919C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US89447107P 2007-03-13 2007-03-13
US60/894,471 2007-03-13
PCT/US2008/056593 WO2008112724A2 (fr) 2007-03-13 2008-03-12 Fluide de transmission multifonctionnel

Publications (2)

Publication Number Publication Date
CA2680919A1 CA2680919A1 (fr) 2008-09-18
CA2680919C true CA2680919C (fr) 2017-01-10

Family

ID=39739424

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2680919A Active CA2680919C (fr) 2007-03-13 2008-03-12 Fluide de transmission multifonctionnel

Country Status (6)

Country Link
US (1) US20100130390A1 (fr)
EP (1) EP2121881A2 (fr)
JP (1) JP2010521559A (fr)
BR (1) BRPI0808844A2 (fr)
CA (1) CA2680919C (fr)
WO (1) WO2008112724A2 (fr)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20180100248A (ko) 2010-04-23 2018-09-07 픽셀리전트 테크놀로지스 엘엘씨 나노결정의 합성, 캐핑 및 분산
US9556397B2 (en) 2013-10-11 2017-01-31 Santolubes Llc High elastohydrodynamic shear strength fluid compositions
JP2016536388A (ja) * 2013-10-11 2016-11-24 サントルブズ エルエルシー 高弾性流体力学的剪断強度流体組成物
JP6693033B2 (ja) * 2015-03-31 2020-05-13 出光興産株式会社 電気自動車又はハイブリッド車用潤滑油組成物
US9879198B2 (en) 2015-11-25 2018-01-30 Santolubes Llc Low shear strength lubricating fluids
US10647939B2 (en) * 2016-11-18 2020-05-12 International Petroleum Products & Additives Company, Inc. Thiadiazole components, compositions, and methods
JP2018095840A (ja) 2016-12-13 2018-06-21 花王株式会社 潤滑油基油、および該潤滑油基油を含有する潤滑油組成物
CN110036095B (zh) * 2016-12-13 2022-01-04 花王株式会社 润滑油基础油和含有该润滑油基础油的润滑油组合物
JP2019163407A (ja) * 2018-03-20 2019-09-26 出光興産株式会社 潤滑油用基油、及び潤滑油組成物
EP3878929A4 (fr) * 2018-11-06 2022-09-07 ENEOS Corporation Composition lubrifiante
US10808198B2 (en) * 2019-01-16 2020-10-20 Afton Chemical Corporation Lubricant containing thiadiazole derivatives
EP3683290B1 (fr) * 2019-01-16 2023-09-06 Afton Chemical Corporation Lubrifiant contenant des dérivés de thiadiazole
FR3097870B1 (fr) * 2019-06-28 2022-01-14 Total Marketing Services Utilisation d’un composé de type amine aromatique ou phénol stériquement encombré à titre d’additif anticorrosion dans une composition lubrifiante
FR3097871B1 (fr) * 2019-06-28 2022-01-14 Total Marketing Services Utilisation d’un composé de type triazole à titre d’additif pour améliorer les propriétés anti-corrosiond’une composition lubrifiante
JP2022063013A (ja) * 2020-10-09 2022-04-21 Ｅｎｅｏｓ株式会社 潤滑油組成物
US11326123B1 (en) * 2020-12-01 2022-05-10 Afton Chemical Corporation Durable lubricating fluids for electric vehicles
DE102022116644A1 (de) * 2022-07-04 2024-01-04 Volkswagen Aktiengesellschaft Flüssigkeitszusammensetzung zur Verwendung in elektrischen Antrieben
US12043817B1 (en) 2023-06-27 2024-07-23 Afton Chemical Corporation Low viscosity lubricating fluid for an electric motor system
US11939551B1 (en) 2023-06-27 2024-03-26 Afton Chemical Corporation Lubricating fluid for an electric motor system

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3440894A (en) * 1966-10-13 1969-04-29 Monsanto Co Tractants and method of use
US3597358A (en) * 1967-11-01 1971-08-03 Sun Oil Co Traction drive transmission containing adamantane compounds as lubricant
US3975278A (en) * 1970-09-23 1976-08-17 Monsanto Company Tractants comprising linear dimers of α-alkyl styrene
US3966624A (en) * 1971-07-15 1976-06-29 Sun Oil Company Of Pennsylvania Blended traction fluid containing hydrogenated polyolefin and an adamantane ether
JPS5740197B2 (fr) * 1974-05-31 1982-08-25
JPH0631374B2 (ja) * 1985-12-27 1994-04-27 東燃株式会社 トラクシヨン用流体
JPH0631365B2 (ja) * 1985-12-27 1994-04-27 東燃株式会社 トラクシヨン流体
JPH0631366B2 (ja) * 1986-01-31 1994-04-27 東燃株式会社 トラクシヨンフル−ド
JPH0774350B2 (ja) * 1986-06-02 1995-08-09 東燃料株式会社 合成トラクシヨンフル−ド
JPH0774351B2 (ja) * 1986-06-10 1995-08-09 東燃株式会社 合成潤滑フル−ド
JPH0288697A (ja) * 1988-09-26 1990-03-28 Mitsubishi Oil Co Ltd トラクションドライブ用潤滑油
JPH03285988A (ja) * 1990-03-31 1991-12-17 Tonen Corp 自動車用油圧作動油
JPH03285989A (ja) * 1990-03-31 1991-12-17 Tonen Corp 自動車用油圧作動油
JPH07242891A (ja) * 1994-03-03 1995-09-19 Cosmo Sogo Kenkyusho:Kk トラクションドライブ用流体
US5858929A (en) * 1995-06-09 1999-01-12 The Lubrizol Corporation Composition for providing anti-shudder friction durability performance for automatic transmissions
AU710294B2 (en) * 1995-09-12 1999-09-16 Lubrizol Corporation, The Lubrication fluids for reduced air entrainment and improved gear protection
JPH09272885A (ja) * 1996-04-04 1997-10-21 Mitsubishi Oil Co Ltd 湿式クラッチ用潤滑油組成物
EP0949319A3 (fr) * 1998-04-08 2001-03-21 Nippon Mitsubishi Oil Corporation Fluide de traction
US6103673A (en) * 1998-09-14 2000-08-15 The Lubrizol Corporation Compositions containing friction modifiers for continuously variable transmissions
US6372696B1 (en) * 1999-11-09 2002-04-16 The Lubrizol Corporation Traction fluid formulation
JP4993821B2 (ja) * 2001-06-13 2012-08-08 Ｊｘ日鉱日石エネルギー株式会社 潤滑油組成物
US6528458B1 (en) * 2002-04-19 2003-03-04 The Lubrizol Corporation Lubricant for dual clutch transmission
US7045488B2 (en) * 2002-05-16 2006-05-16 The Lubrizol Corporation Cylic oligomer traction fluid
US20050121360A1 (en) * 2003-12-08 2005-06-09 The Lubrizol Corporation Traction fluids by coupling of cyclic hydrocarbon monomers with olefins

Also Published As

Publication number Publication date
WO2008112724A3 (fr) 2008-11-20
WO2008112724A2 (fr) 2008-09-18
JP2010521559A (ja) 2010-06-24
EP2121881A2 (fr) 2009-11-25
CA2680919A1 (fr) 2008-09-18
US20100130390A1 (en) 2010-05-27
BRPI0808844A2 (pt) 2018-10-23

Similar Documents

Publication Publication Date Title
CA2680919C (fr) Fluide de transmission multifonctionnel
JP4873586B2 (ja) 連続可変トランスミッション用流体のための高ホウ素調合物
EP1499701B2 (fr) Procédé de lubrification d'une transmission a double embrayage
AU751776B2 (en) Compositions containing friction modifiers for continuously variable transmissions
EP3218454B1 (fr) Esters phosphorés mixtes pour des applications de lubrifiant
JP6117248B2 (ja) 粘度調整剤としての、オレフィン−エステルコポリマーのポリオレフィンとの混合物
US6617286B2 (en) Lubricating oil composition for continuously variable transmission
CN101629118B (zh) 润滑需要润滑的仅用于自动变速器离合器的组件的方法
US9574156B2 (en) Lubricant composition
CA2711626C (fr) Modificateur de coefficient de frottement et huile de transmission
KR101903201B1 (ko) 성형 중합체 및 이의 윤활 조성물
JP2007131856A (ja) 比較的粘度の低いトランスミッション液
EP3458553B1 (fr) Composés de phosphore exempts d'azote et lubrifiants les contenant
KR101948418B1 (ko) 개선된 마찰 특성을 갖는 윤활제 첨가제 및 윤활제 조성물
JP5013564B2 (ja) 連続可変変速機を潤滑させる方法
JP4673465B2 (ja) 潤滑油組成物
CN101100625B (zh) 动力传送流体
JP5211126B2 (ja) 潤滑油組成物
KR20240009880A (ko) 몰리브덴을 함유하는 트랜스미션 윤활제

Legal Events

Date Code Title Description
EEER Examination request

Effective date: 20130308