EP0236844A3 - Additives for mineral oils with modified pour-point characteristics - Google Patents
Additives for mineral oils with modified pour-point characteristics Download PDFInfo
- Publication number
- EP0236844A3 EP0236844A3 EP87102629A EP87102629A EP0236844A3 EP 0236844 A3 EP0236844 A3 EP 0236844A3 EP 87102629 A EP87102629 A EP 87102629A EP 87102629 A EP87102629 A EP 87102629A EP 0236844 A3 EP0236844 A3 EP 0236844A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- mol
- mit
- additives
- carbon atoms
- kohlenstoffatomen
- 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.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L10/00—Use of additives to fuels or fires for particular purposes
- C10L10/14—Use of additives to fuels or fires for particular purposes for improving low temperature properties
- C10L10/16—Pour-point depressants
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/18—Organic compounds containing oxygen
- C10L1/192—Macromolecular compounds
- C10L1/195—Macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- C10L1/196—Macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds derived from monomers containing a carbon-to-carbon unsaturated bond and a carboxyl group or salts, anhydrides or esters thereof homo- or copolymers of compounds having one or more unsaturated aliphatic radicals each having one carbon bond to carbon double bond, and at least one being terminated by a carboxyl radical or of salts, anhydrides or esters thereof
- C10L1/1963—Macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds derived from monomers containing a carbon-to-carbon unsaturated bond and a carboxyl group or salts, anhydrides or esters thereof homo- or copolymers of compounds having one or more unsaturated aliphatic radicals each having one carbon bond to carbon double bond, and at least one being terminated by a carboxyl radical or of salts, anhydrides or esters thereof mono-carboxylic
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/22—Organic compounds containing nitrogen
- C10L1/234—Macromolecular compounds
- C10L1/236—Macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds derivatives 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
- C10M145/00—Lubricating compositions characterised by the additive being a macromolecular compound containing oxygen
- C10M145/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C10M145/10—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
- C10M145/12—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 monocarboxylic
- C10M145/14—Acrylate; Methacrylate
-
- 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
- C10M149/00—Lubricating compositions characterised by the additive being a macromolecular compound containing nitrogen
- C10M149/02—Macromolecular compounds obtained 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
- C10M149/00—Lubricating compositions characterised by the additive being a macromolecular compound containing nitrogen
- C10M149/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C10M149/06—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to an amido or imido group
-
- 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
- C10M149/00—Lubricating compositions characterised by the additive being a macromolecular compound containing nitrogen
- C10M149/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C10M149/10—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a nitrogen-containing hetero ring
-
- 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
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2217/00—Organic macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2217/02—Macromolecular compounds obtained from nitrogen containing monomers 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
- C10M2217/00—Organic macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2217/02—Macromolecular compounds obtained from nitrogen containing monomers by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2217/022—Macromolecular compounds obtained from nitrogen containing monomers by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to an amino group
- C10M2217/023—Macromolecular compounds obtained from nitrogen containing monomers by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to an amino group the amino group containing an ester bond
-
- 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
- C10M2217/00—Organic macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2217/02—Macromolecular compounds obtained from nitrogen containing monomers by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2217/024—Macromolecular compounds obtained from nitrogen containing monomers by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to an amido or imido group
-
- 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
- C10M2217/00—Organic macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2217/02—Macromolecular compounds obtained from nitrogen containing monomers by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2217/028—Macromolecular compounds obtained from nitrogen containing monomers by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a nitrogen-containing hetero ring
-
- 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
- C10M2217/00—Organic macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2217/06—Macromolecular compounds obtained by functionalisation op polymers with a nitrogen containing compound
Landscapes
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Combustion & Propulsion (AREA)
- Lubricants (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Die Erfindung betrifft Additive für Mineralöle auf Basis von
Polyalkylmethacrylaten mit stockpunktverbessernder Wirkung,
wobei die Additive aus einem Polymerisat P aufgebaut aus
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3607444 | 1986-03-07 | ||
DE19863607444 DE3607444A1 (en) | 1986-03-07 | 1986-03-07 | ADDITIVES FOR MINERAL OILS WITH IMPROVEMENT EFFECT |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0236844A2 EP0236844A2 (en) | 1987-09-16 |
EP0236844A3 true EP0236844A3 (en) | 1988-03-30 |
EP0236844B1 EP0236844B1 (en) | 1997-09-24 |
Family
ID=6295696
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP87102629A Expired - Lifetime EP0236844B1 (en) | 1986-03-07 | 1987-02-24 | Use of additives for mineral oils with modified pour- point characteristics |
Country Status (4)
Country | Link |
---|---|
US (1) | US4867894A (en) |
EP (1) | EP0236844B1 (en) |
JP (1) | JPS62212497A (en) |
DE (2) | DE3607444A1 (en) |
Families Citing this family (51)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3613992C2 (en) * | 1986-04-25 | 2000-05-04 | Roehm Gmbh | Additives for paraffinic lubricating oils |
FR2600071B1 (en) * | 1986-06-13 | 1988-08-26 | Inst Francais Du Petrole | COPOLYMER COMPOSITIONS FOR USE IN PARTICULAR AS ADDITIVES FOR HYDROCARBON OILS |
DE3818438A1 (en) * | 1988-05-31 | 1989-12-07 | Roehm Gmbh | MINERAL OIL WITH IMPROVED FLOW BEHAVIOR |
US5349019A (en) * | 1988-12-24 | 1994-09-20 | Hoechst | New copolymers, mixtures thereof with poly(meth)acrylate esters and the use thereof for improving the cold fluidity of crude oils |
DE3930142A1 (en) * | 1989-09-09 | 1991-03-21 | Roehm Gmbh | DISPERGING VISCOSITY INDEX IMPROVERS |
DE4000753A1 (en) * | 1990-01-12 | 1991-07-18 | Roehm Gmbh | POWER TRANSFER FLUID BASED ON MINERAL OIL |
DE4312715A1 (en) * | 1993-04-20 | 1994-10-27 | Roehm Gmbh | Comb polymers |
US5312884A (en) * | 1993-04-30 | 1994-05-17 | Rohm And Haas Company | Copolymer useful as a pour point depressant for a lubricating oil |
JP2748104B2 (en) * | 1994-03-08 | 1998-05-06 | 三洋化成工業株式会社 | Viscosity index improver and lubricating oil |
US5665685A (en) * | 1994-06-02 | 1997-09-09 | Sanyo Chemical Industries, Ltd. | Gear and transmission lubricant compositions of improved sludge-dispersibility, fluids comprising the same |
IT1270673B (en) * | 1994-10-19 | 1997-05-07 | Euron Spa | MULTIFUNCTIONAL ADDITIVE FOR LUBRICANTS COMPATIBLE WITH FLUOROELASTOMERS |
DE19518786A1 (en) * | 1995-05-22 | 1996-11-28 | Roehm Gmbh | Lubricant additives |
US5821313A (en) | 1995-06-19 | 1998-10-13 | The Lubrizol Corporation | Dispersant-viscosity improvers for lubricating oil compositions |
US5969068A (en) | 1995-06-19 | 1999-10-19 | The Lubrizol Corporation | Dispersant-viscosity improvers for lubricating oil compositions |
KR100517190B1 (en) | 1997-08-22 | 2005-09-28 | 로막스 아디티페스 게엠베하 | Method for maintaining low-temperature fluidity of lubricating oil composition, a concentrate for use in lubricating oil composition and a lubricating oil composition |
US5834408A (en) * | 1997-10-24 | 1998-11-10 | Ethyl Corporation | Pour point depressants via anionic polymerization of (meth)acrylic monomers |
US6124249A (en) * | 1998-12-22 | 2000-09-26 | The Lubrizol Corporation | Viscosity improvers for lubricating oil compositions |
US6133210A (en) * | 1998-06-30 | 2000-10-17 | The Lubrizol Corporation | Homogeneous additive concentrates for preparing lubricating oil compositions |
US5955405A (en) * | 1998-08-10 | 1999-09-21 | Ethyl Corporation | (Meth) acrylate copolymers having excellent low temperature properties |
GB2331761A (en) * | 1999-03-15 | 1999-06-02 | Procter & Gamble | Pour point depression of heavy cut methyl esters via alkyl methacrylate copolymer |
US6255261B1 (en) * | 1999-09-22 | 2001-07-03 | Ethyl Corporation | (Meth) acrylate copolymer pour point depressants |
US6403745B1 (en) * | 1999-11-30 | 2002-06-11 | Rohmax Additives Gmbh | Gradient copolymers, as well as a method for their preparation and their use |
US6391996B1 (en) * | 1999-11-30 | 2002-05-21 | Rohmax Additives Gmbh | Copolymers obtainable by the ATRP method and a method for their preparation and their use |
US6403746B1 (en) * | 1999-11-30 | 2002-06-11 | Rohmax Additives Gmbh | Method for preparation of a composition that contains polymer ester compounds with long-chain alkyl residues and use of this composition |
US6323164B1 (en) | 2000-11-01 | 2001-11-27 | Ethyl Corporation | Dispersant (meth) acrylate copolymers having excellent low temperature properties |
JP4778688B2 (en) * | 2003-05-30 | 2011-09-21 | 三洋化成工業株式会社 | Pour point depressant |
US7378379B2 (en) * | 2003-06-10 | 2008-05-27 | The Lubrizol Corporation | Functionalized polymer composition for grease |
JP2007527109A (en) * | 2003-07-07 | 2007-09-20 | ダウ・コ−ニング・コ−ポレ−ション | Solar cell encapsulation |
US20060252660A1 (en) * | 2005-05-09 | 2006-11-09 | Akhilesh Duggal | Hydrolytically stable viscosity index improves |
DE102005041528A1 (en) * | 2005-08-31 | 2007-03-01 | Rohmax Additives Gmbh | Multi-arm star-shaped polymer for use as lubricating oil additive, e.g. viscosity modifier or dispersant, has at least three arms containing units derived from esters of higher alkanols and unsaturated carboxylic acids |
US8143202B2 (en) * | 2006-11-07 | 2012-03-27 | Ciba Corp. | Methacrylate copolymer pour point depressants |
EP2235146B1 (en) * | 2007-12-18 | 2016-04-20 | Basf Se | Biodiesel cold flow improver |
JP5483662B2 (en) * | 2008-01-15 | 2014-05-07 | Jx日鉱日石エネルギー株式会社 | Lubricating oil composition |
JP5806794B2 (en) * | 2008-03-25 | 2015-11-10 | Jx日鉱日石エネルギー株式会社 | Lubricating oil composition for internal combustion engines |
EP2581437B2 (en) | 2008-10-07 | 2019-05-01 | JX Nippon Oil & Energy Corporation | Process for producing lubricant base oil and lubricating oil composition |
JP2010090251A (en) * | 2008-10-07 | 2010-04-22 | Nippon Oil Corp | Lubricant base oil, method for producing the same, and lubricating oil composition |
EP2343357B1 (en) | 2008-10-07 | 2019-12-04 | JX Nippon Oil & Energy Corporation | Method for producing a lubricant composition |
CN103525515A (en) | 2009-06-04 | 2014-01-22 | 吉坤日矿日石能源株式会社 | A lubricating oil composition and a method for manufacturing same |
US9404062B2 (en) | 2009-06-04 | 2016-08-02 | Jx Nippon Oil & Energy Corporation | Lubricant oil composition |
JP5829374B2 (en) | 2009-06-04 | 2015-12-09 | Jx日鉱日石エネルギー株式会社 | Lubricating oil composition |
CN105695045A (en) | 2009-06-04 | 2016-06-22 | 吉坤日矿日石能源株式会社 | Lubricant oil composition |
CA2764436C (en) | 2009-06-04 | 2018-08-14 | The Lubrizol Corporation | Polymethacrylates as high vi viscosity modifiers |
JP5689592B2 (en) | 2009-09-01 | 2015-03-25 | Jx日鉱日石エネルギー株式会社 | Lubricating oil composition |
PL2305753T3 (en) * | 2009-09-25 | 2012-07-31 | Evonik Oil Additives Gmbh | A composition to improve cold flow properties of fuel oils |
CA2827548A1 (en) | 2011-03-25 | 2012-10-04 | Basf Se | Lubricant composition having improved non-newtonian viscometrics |
FR2982871A1 (en) | 2011-11-22 | 2013-05-24 | Univ Sud Toulon Var | POLY (N-ALKYL ACRYLATE) POLYMERS AND THEIR USE AS OIL FLOW POINT SIZERS |
WO2013160228A1 (en) * | 2012-04-27 | 2013-10-31 | Evonik Oil Additives Gmbh | Use of cold flow improver compositions for fuels, blends thereof with biofuels and formulations thereof |
JP6433906B2 (en) * | 2012-11-02 | 2018-12-05 | エボニック オイル アディティヴス ゲゼルシャフト ミット ベシュレンクテル ハフツングEvonik Oil Additives GmbH | Method for producing low sulfur dispersant polymer |
WO2014067748A1 (en) * | 2012-11-02 | 2014-05-08 | Evonik Industries Ag | Middle distillate formulations containing sulphur-free, dispersant alkylmethacrylate copolymers |
US20160348026A1 (en) * | 2014-01-21 | 2016-12-01 | Evonik Oil Additives Gmbh | Pour point depressants for improving the low-temperature viscosity of aged lubricating oil |
CN116601179A (en) | 2020-12-18 | 2023-08-15 | 赢创运营有限公司 | Method for producing homopolymers and copolymers of alkyl (meth) acrylates having a low residual monomer content |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1235693A (en) * | 1958-07-28 | 1960-07-08 | Shell Internationale Res Maatc | Process for the preparation of oil-soluble and nitrogen-containing polymers and resulting products |
DE1444884A1 (en) * | 1962-11-14 | 1969-01-09 | Rohm & Haas | Oil mixture |
EP0140274A2 (en) * | 1983-10-28 | 1985-05-08 | Röhm Gmbh | Lubricating oil additives |
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US2114233A (en) * | 1933-05-22 | 1938-04-12 | Rohm & Haas | Polymeric materials |
US2091627A (en) * | 1934-06-08 | 1937-08-31 | Rohm & Haas | Composition of matter and process |
US2100993A (en) * | 1934-12-14 | 1937-11-30 | Rohm & Haas | Process for preparing esters and products |
US3238133A (en) * | 1962-07-30 | 1966-03-01 | Shell Oil Co | Lubricating oil compositions containing neutral ashless polymeric detergents |
US3397146A (en) * | 1966-08-22 | 1968-08-13 | Union Carbide Corp | Lubricating compositions |
US3697644A (en) * | 1966-10-18 | 1972-10-10 | Gillette Co | Cosmetic composition |
US3475321A (en) * | 1966-11-14 | 1969-10-28 | Exxon Research Engineering Co | Solvent dewaxing with a synergistic wax crystal modifier composition |
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US3878180A (en) * | 1970-12-14 | 1975-04-15 | Texaco Inc | Polymerization of acrylic acid esters |
DE2102469C2 (en) * | 1971-01-20 | 1989-06-29 | Basf Ag, 6700 Ludwigshafen | Use of ethylene copolymers as an additive to petroleum and petroleum fractions |
GB1347713A (en) * | 1971-05-05 | 1974-02-27 | Shell Int Research | Alkyl methacrylate polymer compositions suitable as luboil additives |
US3904385A (en) * | 1972-05-08 | 1975-09-09 | Texaco Inc | Polyacrylates and waxy residual fuel compositions thereof |
CA1071865A (en) * | 1975-03-28 | 1980-02-19 | Max J. Wisotsky | Polymer combinations useful in distillate hydrocarbon oils to improve cold flow properties |
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US4123368A (en) * | 1977-03-24 | 1978-10-31 | Rohm And Haas Company | Alkaline earth metal salt dispersions in acrylic polymers |
GB1559952A (en) * | 1977-10-26 | 1980-01-30 | Shell Int Research | Lubricating oil compositions |
US4229311A (en) * | 1979-07-18 | 1980-10-21 | Rohm Gmbh | Lubricating oil additives |
FR2497822A1 (en) * | 1981-01-12 | 1982-07-16 | Organo Synthese Ste Fse | ADDITIVES FOR LUBRICATING OILS BASED ON STYRENE AND C12-C20 ALKYL HEAVY METHACRYLATES, MANUFACTURING METHOD AND APPLICATIONS |
US4533482A (en) * | 1982-12-30 | 1985-08-06 | Rohm And Haas Company | Hydrogenated diolefin-lower alkyl acrylate or methacrylate viscosity index improving copolymers for lubricating oils |
DE3317396A1 (en) * | 1983-05-13 | 1984-11-15 | Henkel KGaA, 4000 Düsseldorf | USE OF COLOYERS FROM ESTERS AND AMIDES OF ACRYLIC AND / OR METHACRYLIC ACIDS AS STOCK POINTS LOW FOR PARAFFIN SOLUTIONS |
DE3544061A1 (en) * | 1985-12-13 | 1987-06-19 | Roehm Gmbh | HIGHLY STABLE MULTI-RANGE LUBRICANTS WITH IMPROVED VISCOSITY INDEX |
-
1986
- 1986-03-07 DE DE19863607444 patent/DE3607444A1/en not_active Ceased
-
1987
- 1987-02-24 EP EP87102629A patent/EP0236844B1/en not_active Expired - Lifetime
- 1987-02-24 DE DE3752119T patent/DE3752119D1/en not_active Expired - Lifetime
- 1987-03-03 JP JP62046935A patent/JPS62212497A/en active Pending
-
1988
- 1988-04-20 US US07/185,317 patent/US4867894A/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1235693A (en) * | 1958-07-28 | 1960-07-08 | Shell Internationale Res Maatc | Process for the preparation of oil-soluble and nitrogen-containing polymers and resulting products |
DE1444884A1 (en) * | 1962-11-14 | 1969-01-09 | Rohm & Haas | Oil mixture |
EP0140274A2 (en) * | 1983-10-28 | 1985-05-08 | Röhm Gmbh | Lubricating oil additives |
Also Published As
Publication number | Publication date |
---|---|
EP0236844A2 (en) | 1987-09-16 |
DE3607444A1 (en) | 1987-09-10 |
US4867894A (en) | 1989-09-19 |
EP0236844B1 (en) | 1997-09-24 |
DE3752119D1 (en) | 1997-10-30 |
JPS62212497A (en) | 1987-09-18 |
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