ES2032348T3 - Composicion de aceite lubricante. - Google Patents
Composicion de aceite lubricante.Info
- Publication number
- ES2032348T3 ES2032348T3 ES198989202757T ES89202757T ES2032348T3 ES 2032348 T3 ES2032348 T3 ES 2032348T3 ES 198989202757 T ES198989202757 T ES 198989202757T ES 89202757 T ES89202757 T ES 89202757T ES 2032348 T3 ES2032348 T3 ES 2032348T3
- Authority
- ES
- Spain
- Prior art keywords
- lubricating oil
- oil composition
- olephine
- unidosoxylene
- polyalcanodienes
- 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 - Lifetime
Links
- 239000010687 lubricating oil Substances 0.000 title abstract 2
- 239000000203 mixture Substances 0.000 title abstract 2
- 229920001577 copolymer Polymers 0.000 abstract 2
- -1 CARBOXYL Chemical class 0.000 abstract 1
- 239000010688 mineral lubricating oil Substances 0.000 abstract 1
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
- C10M143/00—Lubricating compositions characterised by the additive being a macromolecular hydrocarbon or such hydrocarbon modified by oxidation
- C10M143/10—Lubricating compositions characterised by the additive being a macromolecular hydrocarbon or such hydrocarbon modified by oxidation containing aromatic monomer, e.g. styrene
-
- 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
- C08F8/34—Introducing sulfur atoms or sulfur-containing groups
-
- 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
-
- 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
- C10M143/02—Polyethene
-
- 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
- C10M143/04—Lubricating compositions characterised by the additive being a macromolecular hydrocarbon or such hydrocarbon modified by oxidation containing propene
-
- 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
- C10M143/06—Lubricating compositions characterised by the additive being a macromolecular hydrocarbon or such hydrocarbon modified by oxidation containing 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
- 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
- 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
-
- 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
-
- 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
- C10M2205/022—Ethene
-
- 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
- C10M2205/024—Propene
-
- 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
- C10M2205/04—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
- C10M2221/00—Organic macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2221/04—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
- 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
-
- 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
- C10N2040/251—Alcohol-fuelled 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
- C10N2040/255—Gasoline 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
- C10N2040/255—Gasoline engines
- C10N2040/28—Rotary 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
- C10N2070/00—Specific manufacturing methods for lubricant compositions
- C10N2070/02—Concentrating of additives
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Lubricants (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Graft Or Block Polymers (AREA)
Abstract
COMPOSICIONES DE ACEITE LUBRICANTE COMPRENDIENDO UNA MAYOR PROPORCION DE UN ACEITE LUBRICANTE MINERAL, COMO MEJORADOR DE INDICE DE VISCOSIDAD, UN BLOQUE CO-POLIMERO HIDROGENADO DE CO-POLIMERO DE OLEFINA FUNCIONALIZADO POR LA PRESENCIA DE GRUPOS CARBOXILO UNIDOS A LA CADENA POLIMERA POR UN ENLACE SULFONAMIDO. COMO NUEVOS PRODUCTOS, POLIALCANODIENOS HIDROGENADOS CARBOXIL FUNCIONALIZADOS Y CO-POLIMEROS DE ESTRELLA.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB888826026A GB8826026D0 (en) | 1988-11-07 | 1988-11-07 | Modified v i improvers |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2032348T3 true ES2032348T3 (es) | 1993-02-01 |
Family
ID=10646440
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES198989202757T Expired - Lifetime ES2032348T3 (es) | 1988-11-07 | 1989-11-01 | Composicion de aceite lubricante. |
Country Status (13)
Country | Link |
---|---|
US (1) | US4970009A (es) |
EP (1) | EP0368395B1 (es) |
JP (1) | JP2866682B2 (es) |
KR (1) | KR0140895B1 (es) |
CN (1) | CN1029007C (es) |
AU (1) | AU618421B2 (es) |
BR (1) | BR8905684A (es) |
CA (1) | CA2001210C (es) |
DE (1) | DE68901079D1 (es) |
ES (1) | ES2032348T3 (es) |
GB (1) | GB8826026D0 (es) |
RU (1) | RU1838388C (es) |
SG (1) | SG44993G (es) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8928963D0 (en) * | 1989-12-21 | 1990-02-28 | Shell Int Research | Lubricating oil compositions and their preparation |
US5310490A (en) * | 1991-03-13 | 1994-05-10 | Exxon Chemical Products Inc. | Viscosity modifer polymers |
US5310814A (en) * | 1991-03-15 | 1994-05-10 | Exxon Chemical Patents Inc. | Viscosity modifier polybutadiene polymers |
JP2001279030A (ja) | 2000-03-31 | 2001-10-10 | Mitsubishi Chemicals Corp | オレフィン系熱可塑性エラストマー及びそれからなる成形体 |
US6715473B2 (en) * | 2002-07-30 | 2004-04-06 | Infineum International Ltd. | EGR equipped diesel engines and lubricating oil compositions |
US6956084B2 (en) | 2001-10-04 | 2005-10-18 | Bridgestone Corporation | Nano-particle preparation and applications |
US8877250B2 (en) | 2005-12-20 | 2014-11-04 | Bridgestone Corporation | Hollow nano-particles and method thereof |
US9040468B2 (en) | 2007-07-25 | 2015-05-26 | Schlumberger Technology Corporation | Hydrolyzable particle compositions, treatment fluids and methods |
US10011763B2 (en) | 2007-07-25 | 2018-07-03 | Schlumberger Technology Corporation | Methods to deliver fluids on a well site with variable solids concentration from solid slurries |
US8846819B2 (en) | 2008-12-31 | 2014-09-30 | Bridgestone Corporation | Core-first nanoparticle formation process, nanoparticle, and composition |
MX2013004194A (es) | 2010-10-20 | 2013-08-08 | Schlumberger Technology Bv | Latex degradable y metodo. |
US9428604B1 (en) | 2011-12-30 | 2016-08-30 | Bridgestone Corporation | Nanoparticle fillers and methods of mixing into elastomers |
KR102357888B1 (ko) | 2015-09-16 | 2022-02-03 | 인피늄 인터내셔날 리미티드 | 작용화된 이중블록 공중합체를 포함하는 연료 및 오일용 첨가제 |
US10011803B2 (en) * | 2015-12-09 | 2018-07-03 | Infineum International Limited | Viscosity index improver concentrates |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3220985A (en) * | 1962-10-15 | 1965-11-30 | Hercules Powder Co Ltd | Modifying hydrocarbon polymers |
NL167185C (nl) * | 1972-04-05 | 1981-11-16 | Shell Int Research | Werkwijze ter bereiding van een gemodificeerd dieen- polymeer. |
GB1575507A (en) * | 1976-02-10 | 1980-09-24 | Shell Int Research | Hydrogenated star-shaped polymers and oil compositions thereof |
US4083895A (en) * | 1976-06-14 | 1978-04-11 | Mobil Oil Corporation | Modified block copolymers and process of preparing the same |
US4086171A (en) * | 1977-05-23 | 1978-04-25 | Shell Oil Company | Lubricating composition having a selectively sulfonated and hydrogenated block copolymer viscosity-index improver |
US4292185A (en) * | 1979-12-31 | 1981-09-29 | Rohm And Haas Company | Polymeric additive for lubricants and fuels |
US4317738A (en) * | 1980-10-10 | 1982-03-02 | Standard Oil Company (Indiana) | Dispersants and dispersant viscosity modifiers from oxidized-sulfurized olefins |
US4517104A (en) * | 1981-05-06 | 1985-05-14 | Exxon Research & Engineering Co. | Ethylene copolymer viscosity index improver-dispersant additive useful in oil compositions |
US4659491A (en) * | 1982-08-06 | 1987-04-21 | Texaco Inc. | Lubricating oil containing a polymer having a functionalized backbone which contains an electron withdrawing group |
US4614765A (en) * | 1985-03-29 | 1986-09-30 | Atlantic Richfield Company | Molding composition containing functionalized thermoplastic rubber and method |
US4797447A (en) * | 1985-08-16 | 1989-01-10 | Shell Oil Company | Impact resistant blends of thermoplastic polyesters and modified block copolymers |
US4783503A (en) * | 1985-08-16 | 1988-11-08 | Shell Oil Company | Impact resistant blends of thermoplastic polyamides and modified block copolymers |
US4652600A (en) * | 1985-09-20 | 1987-03-24 | Exxon Research And Engineering Company | Sulfomaleation of polyolefins (C-1966) |
-
1988
- 1988-11-07 GB GB888826026A patent/GB8826026D0/en active Pending
-
1989
- 1989-10-23 CA CA002001210A patent/CA2001210C/en not_active Expired - Fee Related
- 1989-11-01 ES ES198989202757T patent/ES2032348T3/es not_active Expired - Lifetime
- 1989-11-01 EP EP89202757A patent/EP0368395B1/en not_active Expired - Lifetime
- 1989-11-01 DE DE8989202757T patent/DE68901079D1/de not_active Expired - Fee Related
- 1989-11-04 RU SU894742512A patent/RU1838388C/ru active
- 1989-11-06 AU AU44432/89A patent/AU618421B2/en not_active Ceased
- 1989-11-06 BR BR898905684A patent/BR8905684A/pt not_active IP Right Cessation
- 1989-11-06 KR KR1019890016037A patent/KR0140895B1/ko not_active IP Right Cessation
- 1989-11-07 JP JP1289832A patent/JP2866682B2/ja not_active Expired - Lifetime
- 1989-11-07 CN CN89108428A patent/CN1029007C/zh not_active Expired - Fee Related
-
1990
- 1990-04-02 US US07/504,058 patent/US4970009A/en not_active Expired - Fee Related
-
1993
- 1993-04-14 SG SG44993A patent/SG44993G/en unknown
Also Published As
Publication number | Publication date |
---|---|
JP2866682B2 (ja) | 1999-03-08 |
SG44993G (en) | 1993-06-25 |
AU618421B2 (en) | 1991-12-19 |
AU4443289A (en) | 1990-05-10 |
JPH02196893A (ja) | 1990-08-03 |
DE68901079D1 (de) | 1992-04-30 |
CA2001210A1 (en) | 1990-05-07 |
BR8905684A (pt) | 1990-06-05 |
KR0140895B1 (ko) | 1998-06-15 |
EP0368395A1 (en) | 1990-05-16 |
EP0368395B1 (en) | 1992-03-25 |
GB8826026D0 (en) | 1988-12-14 |
US4970009A (en) | 1990-11-13 |
CN1042563A (zh) | 1990-05-30 |
CN1029007C (zh) | 1995-06-21 |
RU1838388C (ru) | 1993-08-30 |
CA2001210C (en) | 2000-01-25 |
KR900008021A (ko) | 1990-06-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ES2032348T3 (es) | Composicion de aceite lubricante. | |
ES2155923T3 (es) | Procedimiento para preparar composiciones utiles como intermediarios para la preparacion de aditivos para aceites lubricantes y combustibles. | |
SE7614606L (sv) | Mydrerade polymerer | |
NO952268D0 (no) | Multifunkjonelle viskositetsmodifiserende midler av blandede etylen-alfa-olefinkopolymerer som er nyttige i smöreolje sammensetninger | |
AR241023A2 (es) | "procedimiento para preparar un aditivo para aceites, el producto obtenido y composicion que lo comprende" | |
CA2031452A1 (en) | Block copolymers | |
CA2052292A1 (en) | Gear oil compositions | |
GB1442409A (en) | Oil compositions | |
AR248043A1 (es) | Composicion oleaginosa y composicion de concentrado aditivo para la misma. | |
ES2179209T3 (es) | Cera de gel transparente. | |
BR9608563A (pt) | Dispersantes e aperfeiçoadores de índice de viscosidade de dispersante de polímeros seletivamente hidrogenados | |
BE836138A (fr) | Copolymeres greffes et leur utilisation comme additifs pour huiles lubrifiantes | |
DK602788D0 (da) | Smoereolieblanding indeholdende et polymert viskositets-indeks-forbedringsmiddel | |
ES2133658T3 (es) | Mejorador del indice de viscosidad, a base de polimero de forma de estrella, para composiciones de aceite lubricante. | |
AU2335595A (en) | Star polymer viscosity index improver for oil lubricating compositions | |
FR2589866B1 (fr) | Compositions de copolymeres, utilisables comme additifs pour huiles lubrifiantes | |
NL7805495A (nl) | Smeeroliecompositie die een gesulfoneerd en gehydroge- neerd blokcopolymeer bevat. | |
GB1463825A (en) | Lubricating oil compositions and additive concentrates therefor | |
ES2143091T3 (es) | Procedimiento para preparar composiciones de polimeros en forma de estrella. | |
ES2125553T3 (es) | Copolimero tribloque asimetrico y agente mejorador del indice de viscosidad para composiciones de aceite. | |
ES8502454A1 (es) | Procedimiento para la obtencion de polimeros aleatorios hidrogenados de monovinilareno-dieno conjugado. | |
CO4870801A1 (es) | Aceite lubricante de dos tiempos | |
CA2096310A1 (en) | Boron-containing additive for lubricating oils, and process for preparing said additive | |
ES2060447T3 (es) | Composiciones de aceite que contienen polimeros funcionalizados. | |
DE69003129D1 (de) | Ölzusammensetzungen, die ein C14-Carboxylatpolymer und einen Viskositätsindexverbesserer enthalten. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
Ref document number: 368395 Country of ref document: ES |