KR101968350B1 - 윤활유 조성물용 점도 지수 향상제 - Google Patents

윤활유 조성물용 점도 지수 향상제 Download PDF

Info

Publication number
KR101968350B1
KR101968350B1 KR1020120149712A KR20120149712A KR101968350B1 KR 101968350 B1 KR101968350 B1 KR 101968350B1 KR 1020120149712 A KR1020120149712 A KR 1020120149712A KR 20120149712 A KR20120149712 A KR 20120149712A KR 101968350 B1 KR101968350 B1 KR 101968350B1
Authority
KR
South Korea
Prior art keywords
molecular weight
average molecular
number average
polymer
viscosity
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
KR1020120149712A
Other languages
English (en)
Korean (ko)
Other versions
KR20130072167A (ko
Inventor
소니아 오베로이
스튜어트 브리그스
레이몬드 에프 와츠
조 알 주니어 놀스
Original Assignee
인피늄 인터내셔날 리미티드
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 인피늄 인터내셔날 리미티드 filed Critical 인피늄 인터내셔날 리미티드
Publication of KR20130072167A publication Critical patent/KR20130072167A/ko
Application granted granted Critical
Publication of KR101968350B1 publication Critical patent/KR101968350B1/ko
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • C10M157/00—Lubricating compositions characterised by the additive being a mixture of two or more macromolecular compounds covered by more than one of the main groups C10M143/00 - C10M155/00, each of these compounds being essential
    • 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
    • C10M143/00—Lubricating compositions characterised by the additive being a macromolecular hydrocarbon or such hydrocarbon modified by oxidation
    • C10M143/12—Lubricating compositions characterised by the additive being a macromolecular hydrocarbon or such hydrocarbon modified by oxidation containing conjugated diene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F36/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds
    • C08F36/02—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F8/00—Chemical modification by after-treatment
    • C08F8/04—Reduction, e.g. hydrogenation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L15/00—Compositions of rubber 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
    • C10M119/00—Lubricating compositions characterised by the thickener being a macromolecular compound
    • C10M119/04—Lubricating compositions characterised by the thickener being a macromolecular compound containing oxygen
    • C10M119/14—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • 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
    • C10M171/00—Lubricating compositions characterised by purely physical criteria, e.g. containing as base-material, thickener or additive, ingredients which are characterised exclusively by their numerically specified physical properties, i.e. containing ingredients which are physically well-defined but for which the chemical nature is either unspecified or only very vaguely indicated
    • C10M171/04—Specified molecular weight or molecular weight distribution
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08C—TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
    • C08C19/00—Chemical modification of rubber
    • C08C19/02—Hydrogenation
    • 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
    • C10M2203/06—Well-defined aromatic compounds
    • C10M2203/065—Well-defined aromatic compounds 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
    • 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
    • C10M2203/1025—Aliphatic fractions 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
    • 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
    • C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
    • C10M2205/04—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing aromatic monomers, e.g. styrene
    • 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
    • C10M2205/06—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing conjugated dienes
    • 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
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
    • C10N2020/01—Physico-chemical properties
    • C10N2020/019—Shear stability
    • 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
    • C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
    • C10N2020/01—Physico-chemical properties
    • C10N2020/02—Viscosity; 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
    • C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
    • C10N2020/01—Physico-chemical properties
    • C10N2020/04—Molecular weight; Molecular weight distribution
    • 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
    • C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
    • C10N2020/01—Physico-chemical properties
    • C10N2020/069—Linear chain compounds
    • 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
    • C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
    • C10N2020/01—Physico-chemical properties
    • C10N2020/073—Star shaped polymers
    • 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
    • C10N2030/54—Fuel economy
    • 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
    • C10N2030/68—Shear stability
    • 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
    • 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
    • C10N2040/25—Internal-combustion engines
    • C10N2040/252—Diesel engines
    • 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
    • C10N2040/25—Internal-combustion engines
    • C10N2040/252—Diesel engines
    • C10N2040/253—Small diesel engines
    • 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
    • C10N2060/00—Chemical after-treatment of the constituents of the lubricating composition
    • C10N2060/02—Reduction, e.g. hydrogenation
    • 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
    • C10N2070/00—Specific manufacturing methods for lubricant compositions
    • C10N2070/02—Concentrating of additives

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Emergency Medicine (AREA)
  • Lubricants (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
KR1020120149712A 2011-12-21 2012-12-20 윤활유 조성물용 점도 지수 향상제 Active KR101968350B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/332,750 US9133413B2 (en) 2011-12-21 2011-12-21 Viscosity index improvers for lubricating oil compositions
US13/332,750 2011-12-21

Publications (2)

Publication Number Publication Date
KR20130072167A KR20130072167A (ko) 2013-07-01
KR101968350B1 true KR101968350B1 (ko) 2019-04-11

Family

ID=47471569

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020120149712A Active KR101968350B1 (ko) 2011-12-21 2012-12-20 윤활유 조성물용 점도 지수 향상제

Country Status (9)

Country Link
US (1) US9133413B2 (https=)
EP (1) EP2607466B1 (https=)
JP (1) JP5937509B2 (https=)
KR (1) KR101968350B1 (https=)
CN (1) CN103173265B (https=)
CA (1) CA2799357A1 (https=)
ES (1) ES2546074T3 (https=)
SG (1) SG191542A1 (https=)
TW (1) TWI571509B (https=)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10829709B2 (en) * 2014-01-02 2020-11-10 Infineum International Limited Viscosity index improver concentrates for lubricating oil compositions
SG11201607423WA (en) * 2014-03-12 2016-10-28 Lubrizol Corp Method of lubricating an internal combustion engine
WO2015138109A1 (en) 2014-03-12 2015-09-17 The Lubrizol Corporation Method of lubricating an internal combustion engine
JP6418793B2 (ja) * 2014-06-06 2018-11-07 ユニ・チャーム株式会社 吸収性物品
JP6326355B2 (ja) * 2014-11-25 2018-05-16 三井化学株式会社 潤滑油組成物
US10011803B2 (en) * 2015-12-09 2018-07-03 Infineum International Limited Viscosity index improver concentrates
FR3080383B1 (fr) * 2018-04-20 2020-11-20 Total Marketing Services Composition lubrifiante pour moteurs industriels a potentiel fe amplifie
WO2020070246A1 (en) 2018-10-05 2020-04-09 Shell Internationale Research Maatschappij B.V. Fuel compositions
US11414618B2 (en) * 2019-12-05 2022-08-16 Infineum International Limited Triblock copolymer concentrates for lubricating oil compositions
FR3108620B1 (fr) * 2020-03-25 2022-09-09 Total Marketing Services Utilisation de polymère styrène diène hydrogéné pour réduire les émissions de particules
JP2025519504A (ja) * 2022-06-09 2025-06-26 シェブロン・オロナイト・カンパニー・エルエルシー 低せん断安定性指数を有する粘度調整剤を含む潤滑油組成物
US12281277B2 (en) 2023-09-13 2025-04-22 Infineum International Limited Lubricant compositions containing styrenic block copolymer
IT202300021387A1 (it) * 2023-10-13 2025-04-13 Versalis Spa Copolimeri stirene-butadiene lineari multiblocco idrogenati, procedimento per la loro preparazione e loro utilizzo come additivi miglioratori dell’indice di viscosita’.

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050003974A1 (en) * 2003-07-01 2005-01-06 Stuart Briggs Viscosity index improvers for lubricating oil compositions

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL296137A (https=) 1963-08-02 1900-01-01
US3595942A (en) 1968-12-24 1971-07-27 Shell Oil Co Partially hydrogenated block copolymers
USRE27145E (en) 1969-05-20 1971-06-22 Side-chain
US3985830B1 (en) 1974-07-15 1998-03-03 Univ Akron Star polymers and process for the preparation thereof
US4032459A (en) * 1976-01-29 1977-06-28 Shell Oil Company Lubricating compositions containing hydrogenated butadiene-isoprene copolymers
GB1575507A (en) 1976-02-10 1980-09-24 Shell Int Research Hydrogenated star-shaped polymers and oil compositions thereof
US4105571A (en) 1977-08-22 1978-08-08 Exxon Research & Engineering Co. Lubricant composition
GB2056482A (en) 1979-08-13 1981-03-18 Exxon Research Engineering Co Lubricating oil compositions
DE3710002A1 (de) * 1986-08-14 1988-02-18 Huels Chemische Werke Ag Abc-blockcopolymerisate auf basis von butadien und isopren, verfahren zu ihrer herstellung und ihre verwendung
US5314633A (en) 1988-06-24 1994-05-24 Exxon Chemical Patents Inc. Low pressure derived mixed phosphorous- and sulfur- containing reaction products useful in power transmitting compositions and process for preparing same
US4857214A (en) 1988-09-16 1989-08-15 Ethylk Petroleum Additives, Inc. Oil-soluble phosphorus antiwear additives for lubricants
US5166277A (en) 1991-10-31 1992-11-24 Shell Oil Company Hydrogenation of unsaturation in low molecular weight diene polymers
US5458791A (en) 1994-07-01 1995-10-17 Shell Oil Company Star polymer viscosity index improver for oil compositions
US5458792A (en) * 1994-08-11 1995-10-17 Shell Oil Company Asymmetric triblock copolymer viscosity index improver for oil compositions
US5460739A (en) 1994-09-09 1995-10-24 Shell Oil Company Star polymer viscosity index improver for oil compositions
US5460736A (en) 1994-10-07 1995-10-24 The Procter & Gamble Company Fabric softening composition containing chlorine scavengers
US6613722B1 (en) 1997-03-07 2003-09-02 Exxon Chemical Patents Inc. Lubricating composition
ES2201684T3 (es) 1998-02-19 2004-03-16 Shell Internationale Research Maatschappij B.V. Polimeros de estrella que aumentan el indice de viscosidad en aceite.
JP4745983B2 (ja) * 2003-12-22 2011-08-10 クレイトン・ポリマーズ・リサーチ・ベー・ベー ラジアル（ｓ−ｉ／ｂ）ｘポリマーからの接着剤配合物
KR101433389B1 (ko) * 2006-03-10 2014-08-26 크레이튼 폴리머즈 유.에스. 엘엘씨 윤활유의 점도 지수 개선제
EP2363454B1 (en) * 2010-02-23 2018-09-26 Infineum International Limited Use of a lubricating oil composition

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050003974A1 (en) * 2003-07-01 2005-01-06 Stuart Briggs Viscosity index improvers for lubricating oil compositions

Also Published As

Publication number Publication date
TWI571509B (zh) 2017-02-21
EP2607466A2 (en) 2013-06-26
CA2799357A1 (en) 2013-06-21
US9133413B2 (en) 2015-09-15
CN103173265A (zh) 2013-06-26
ES2546074T3 (es) 2015-09-18
JP2013129835A (ja) 2013-07-04
KR20130072167A (ko) 2013-07-01
EP2607466B1 (en) 2015-08-19
JP5937509B2 (ja) 2016-06-22
US20130165362A1 (en) 2013-06-27
TW201341522A (zh) 2013-10-16
SG191542A1 (en) 2013-07-31
CN103173265B (zh) 2017-03-01
EP2607466A3 (en) 2013-09-11

Similar Documents

Publication Publication Date Title
KR101968350B1 (ko) 윤활유 조성물용 점도 지수 향상제
CN1576359B (zh) 用于润滑油的粘度指数改进剂
JP6788956B2 (ja) 潤滑油組成物用の粘度指数改良剤濃縮物
US20140162924A1 (en) Method of improving the efficiency of automotive transmissions
TWI851858B (zh) 用於潤滑油組成物之三嵌段共聚物濃縮物
US20150184108A1 (en) Viscosity index improver concentrates for lubricating oil compositions
CA2802234C (en) Viscosity index improvers for lubricating oil compositions
WO2026087378A1 (en) Diblock and triblock copolymer concentrates for lubricating oil compositions

Legal Events

Date Code Title Description
PA0109 Patent application

St.27 status event code: A-0-1-A10-A12-nap-PA0109

PG1501 Laying open of application

St.27 status event code: A-1-1-Q10-Q12-nap-PG1501

R18-X000 Changes to party contact information recorded

St.27 status event code: A-3-3-R10-R18-oth-X000

A201 Request for examination
P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

PA0201 Request for examination

St.27 status event code: A-1-2-D10-D11-exm-PA0201

D13-X000 Search requested

St.27 status event code: A-1-2-D10-D13-srh-X000

D14-X000 Search report completed

St.27 status event code: A-1-2-D10-D14-srh-X000

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

St.27 status event code: A-1-2-D10-D21-exm-PE0902

E13-X000 Pre-grant limitation requested

St.27 status event code: A-2-3-E10-E13-lim-X000

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

St.27 status event code: A-1-2-D10-D22-exm-PE0701

GRNT Written decision to grant
PR0701 Registration of establishment

St.27 status event code: A-2-4-F10-F11-exm-PR0701

PR1002 Payment of registration fee

St.27 status event code: A-2-2-U10-U11-oth-PR1002

Fee payment year number: 1

PG1601 Publication of registration

St.27 status event code: A-4-4-Q10-Q13-nap-PG1601

FPAY Annual fee payment

Payment date: 20220325

Year of fee payment: 4

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 4

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 5

R18-X000 Changes to party contact information recorded

St.27 status event code: A-5-5-R10-R18-oth-X000

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 6

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 7

U11 Full renewal or maintenance fee paid

Free format text: ST27 STATUS EVENT CODE: A-4-4-U10-U11-OTH-PR1001 (AS PROVIDED BY THE NATIONAL OFFICE)

Year of fee payment: 7