DE4128381A1 - CARBURETTOR FUEL ADDITIVE - Google Patents

CARBURETTOR FUEL ADDITIVE

Info

Publication number
DE4128381A1
DE4128381A1 DE4128381A DE4128381A DE4128381A1 DE 4128381 A1 DE4128381 A1 DE 4128381A1 DE 4128381 A DE4128381 A DE 4128381A DE 4128381 A DE4128381 A DE 4128381A DE 4128381 A1 DE4128381 A1 DE 4128381A1
Authority
DE
Germany
Prior art keywords
additive
active component
gasoline
oil
fuel additive
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.)
Withdrawn
Application number
DE4128381A
Other languages
German (de)
Inventor
Peter Moeller
Reinhard F Dr Becker
Dieter Dr Kiessling
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.)
Mobil Oil AG
Original Assignee
Mobil Oil AG
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 Mobil Oil AG filed Critical Mobil Oil AG
Priority to DE4128381A priority Critical patent/DE4128381A1/en
Priority to AU24131/92A priority patent/AU2413192A/en
Priority to JP5504100A priority patent/JPH06510072A/en
Priority to EP92917254A priority patent/EP0600953A1/en
Priority to PCT/EP1992/001862 priority patent/WO1993004147A1/en
Publication of DE4128381A1 publication Critical patent/DE4128381A1/en
Withdrawn legal-status Critical Current

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
    • C10L1/00—Liquid carbonaceous fuels
    • C10L1/10—Liquid carbonaceous fuels containing additives
    • C10L1/14—Organic compounds
    • C10L1/143—Organic compounds mixtures of organic macromolecular compounds with organic non-macromolecular compounds
    • 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
    • C10L10/02—Use of additives to fuels or fires for particular purposes for reducing smoke development
    • 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
    • C10L10/06—Use of additives to fuels or fires for particular purposes for facilitating soot removal
    • 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
    • C10L1/16—Hydrocarbons
    • C10L1/1616—Hydrocarbons fractions, e.g. lubricants, solvents, naphta, bitumen, tars, terpentine
    • 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
    • C10L1/16—Hydrocarbons
    • C10L1/1625—Hydrocarbons macromolecular compounds
    • C10L1/1633—Hydrocarbons macromolecular compounds homo- or copolymers obtained by reactions only involving carbon-to carbon unsaturated bonds
    • C10L1/1641—Hydrocarbons macromolecular compounds homo- or copolymers obtained by reactions only involving carbon-to carbon unsaturated bonds from compounds containing aliphatic monomers
    • 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
    • C10L1/222—Organic compounds containing nitrogen containing at least one carbon-to-nitrogen single bond
    • C10L1/2222—(cyclo)aliphatic amines; polyamines (no macromolecular substituent 30C); quaternair ammonium compounds; carbamates
    • C10L1/2225—(cyclo)aliphatic amines; polyamines (no macromolecular substituent 30C); quaternair ammonium compounds; carbamates hydroxy containing
    • 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
    • C10L1/238—Macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
    • C10L1/2383—Polyamines or polyimines, or derivatives thereof (poly)amines and imines; derivatives thereof (substituted by a macromolecular group containing 30C)

Landscapes

  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Lubricants (AREA)
  • Liquid Carbonaceous Fuels (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)

Abstract

Use of a hydrogenated, low-volatility active ingredient in additive technologies for the purpose of improving the keep-clean performance in respect of gasoline engine inlet systems and of optimizing the cost-to-benefit ratio of gasoline additives.

Description

Die Erfindung bezieht sich auf den Einsatz einer Kraftstoff- Wirkkomponente in bekannten Additivtechnologien zur technischen Verbesserung der Reinhaltewirkung von Einlaßsystemen bei Ottomotoren und zur Optimierung des Kosten-Nutzen-Verhältnisses bekannter Benzinadditive.The invention relates to the use of a fuel Active component in known additive technologies for technical improvement of the cleansing effect of Inlet systems for gasoline engines and to optimize the Cost-benefit ratio of known gasoline additives.

Der Einsatz von Mineralölschnitten (Light bis Heavy Neutral und Brightstock) als Trägeröl bzw. Wirkkomponenten in Benzinadditiven ist bekannt. Die Auswirkungen auf die Wirksamkeit bezüglich der Reinhaltewirkung im Einlaßsystem von Ottomotoren sind bekanntermaßen konzentrationsabhängig.The use of mineral oil cuts (Light to Heavy Neutral and Brightstock) as carrier oil or active components in Gasoline additives are known. The impact on the Effectiveness with regard to the retention effect in the inlet system Gasoline engines are known to be concentration dependent.

Die Anforderungen an Ventilsauberkeit und zu erreichende Wirksamkeit werden insbesondere in jüngster Zeit immer höher gesteckt und können mit der vorhandenen Trägeröltechnologie nicht mehr erreicht werden. Oktanzahlbedarfsanstieg und Öleindickung sind als kritisch anzusehen, wenn konventionelle Mineralölschnitte in erhöhter Dosierung eingesetzt werden.The requirements for valve cleanliness and achievable Efficacy has become increasingly high, especially in recent years plugged in and can with the existing carrier oil technology can not be reached anymore. Octane requirement increase and Oil thickening is considered critical if conventional mineral oil slices in increased dosage be used.

Variationen und Kombinationen von Mineralölschnitten und vollsynthetischen Trägerölen haben bislang keine brauchbaren Ergebnisse gebracht.Variations and combinations of mineral oil cuts and Fully synthetic carrier oils have so far no useful Results brought.

Ein bekanntes, kommerziell verfügbares Additiv I auf Polyetheramin-Basis (Datenblatt A) hat sich im bisherigen Einsatz bewährt, zeigte jedoch auch bei der vom Hersteller selbst vorgeschriebenen Dosierung in kritischen Kraftstoffen und bei praxisnahen Versuchen keine ausreichende Einlaßventil-Reinhalte-Wirkung mehr.A known, commercially available additive I on Polyetheramine base (data sheet A) has been in the past Use proven, but also showed at the manufacturer self-prescribed dosage in critical fuels  and in practical experiments insufficient Intake valve clean-up effect more.

Auf Grund von Versuchen mit konventionellen Trägerölen als zusätzliche Wirkkomponente, (300 sec Turbinengrundöl, Datenblatt B) war zwar ein Einfluß auf die Wirksamkeit durch Konzentrationserhöhung zu erwarten, da jedoch sowohl die erzielbare Verbesserung der Additiv-Wirksamkeit durch die Zugabe von Trägeröl einen Grenzwert erreicht, als auch die mengenmäßige Zugabe von Trägeröl wegen anderer Randbedingungen (z. B. Oktanzahlbedarfsanstieg, Öleindickung und Dosierpumpenfördermengenbegrenzung) beschränkt ist und außerdem von der Wahl des Trägeröls abhängig ist, besteht hier wenig Spielraum für in der Praxis realisierbare Lösungen.Based on experiments with conventional carrier oils as additional active component, (300 sec turbine base oil, Datasheet B) was indeed an influence on the effectiveness of Concentration increase expected, however, since both the achievable improvement of the additive effectiveness by the Addition of carrier oil reaches a limit, as well as the quantitative addition of carrier oil for others Boundary conditions (eg octane requirement increase, oil thickening and Dosierpumpenfördermengenbegrenzung) is limited and It also depends on the choice of carrier oil exists here little scope for realizable in practice Solutions.

Der Erfindung liegt die Aufgabe zugrunde, eine Wirkkomponente zu finden, die als zusätzliches Additiv für Kraftstoffe die Wirksamkeit bislang verwendeter Additive im Hinblick auf die Reinhalte- und -reinigungswirkung erhöht, ohne daß es einer höheren Dosierung dieser Additive bedarf.The invention is based on the object To find active component, as an additional additive for Fuels the effectiveness of previously used additives in With regard to the cleansing and cleaning effect, without the need for a higher dosage of these additives.

Der Einsatz einer unkonventionellen, hydrierten, schwerflüchtigen Wirkkomponente gemäß der Erfindung ergab eine Verschiebung des dosierungsabhängigen Wirkungsmaximums in Richtung auf eine deutliche Verbesserung der Wirksamkeit, bei gleichbleibender Dosierung des eigentlichen Grund- Additivs und gleicher Dosierrate, wie sie für konventionelle Trägeröle verwendet wurde.The use of an unconventional, hydrogenated, low volatile active component according to the invention a shift in the dose-dependent maximum of action towards a significant improvement in effectiveness, with constant dosing of the actual basic Additive and same dosing rate, as for conventional Carrier oils was used.

Die Wirkkomponenten gemäß der Erfindung liegen im Viskositätsbereich bei 100°C: 4.0-8.0 cST, mit einem Viskositätsindex von 120 bis 160. Die Dosierungshöhe der Wirkkomponente gemäß der Erfindung beträgt 50 bis 1000 ppm/wt, mit besonderer Bedeutung des Bereiches von 200 bis 800 ppm/wt.The active components according to the invention are in Viscosity range at 100 ° C: 4.0-8.0 cST, with a Viscosity index from 120 to 160. The dosage level of Active component according to the invention is 50 to 1000  ppm / wt, with special significance of the range from 200 to 800 ppm / wt.

Untersuchungen unterschiedlicher Grund-Additiv-Technologien (Mannich Basen, Additiv II) und Succinimid/Polyisobutylen (Additiv ZIII) in unterschiedlichen Testmotoren (MB M102E, Renault F2N, Toyota Camry und BMW 528i) mit unterschiedlichen Prüfprogrammen und Straßentesten mit acht verschiedenen Fahrzeugmodellen als auch in unterschiedlichen Kraftstoffen ergaben Verbesserungen der Wirksamkeit durch Zugabe der Wirkkomponente gemäß der Erfindung zu dem jeweiligen unterschiedlichen Grundadditiv.Investigations of different basic additive technologies (Mannich bases, additive II) and succinimide / polyisobutylene (Additive ZIII) in different test engines (MB M102E, Renault F2N, Toyota Camry and BMW 528i) with different test programs and road tests with eight different vehicle models as well as in different Fuels have improved efficacy Addition of the active component according to the invention to the respective different basic additive.

Die folgende Tabelle zeigt die durchschnittliche Verbesserung der Wirksamkeit der konventionellen Additive I, II und III durch Zugabe von unterschiedlichen Mengen der Wirkkomponente gemäß der Erfindung, erzielt in unterschiedlichen Einlaßventiltesten, angegeben in "Verbesserung in 00" gegenüber der jeweiligen konventionellen Additiv-Technologie. Die durch Zugabe von konventionellem Trägeröl zu Additiv I erzielte Verbesserung liegt hingegen nur bei 6%. The following table shows the average Improving the effectiveness of the conventional additives I, II and III by adding different amounts of Active component according to the invention, achieved in different inlet valve tests, indicated in "Improvement in 00" over the respective conventional ones Additive technology. The addition of conventional Carrier oil to additive I achieved improvement, however, lies only at 6%.  

Wirksamkeitssteigerung durch Zugabe der Wirkkomponente Increasing the effectiveness by adding the active component

Die Erfindung beruht im Grundsatz auf dem Einsatz einer unkonventionellen, hydrierten, schwerflüchtigen Wirkkomponente als wirksamkeitsverbesserndes Trägeröl für bekannte Benzinadditive unterschiedlicher chemischer Technologie. Die Verbesserung der Wirksamkeit geht deutlich über den Anteil hinaus, der auf Grund der Erhöhung der Trägerölkonzentration zu erwarten wäre und kann daher der Eigenart der Wirkkomponente gemäß der Erfindung zugerechnet werden.The invention is based in principle on the use of a unconventional, hydrogenated, low volatility Active component as an efficiency-improving carrier oil for known gasoline additives of different chemical Technology. The improvement of the effectiveness is clear above the share due to the increase in the Carrier oil concentration would be expected and can therefore the Peculiarity attributed to the active component according to the invention become.

Eine typische Spezifikation der Wirkkomponente gemäß der Erfindung ist die eines hydrocracked Grundöles nach folgender Tabelle: A typical specification of the active component according to the Invention is that of a hydrocracked base oil after following table:  

Datenblatt ADatasheet A Konventionelles Additiv IConventional Additive I

Benzinadditiv zur Reinhaltung von Einlaßsystemen in Ottomotoren, um gute Vergaserreinhalte- und -rei­ nigungswirkung bei gleichzeitiger deutlicher Verminderung von Einlaßventilablagerungen zu gewährleisten. Es bietet außerdem auch gute Einspritzdüsenreinhalte- und -reinigungswirkungen.Petrol additive for the purification of intake systems in Gasoline engines to good carburetor clean and -rei nigungswirkung with simultaneous significant reduction to ensure intake valve deposits. It offers plus good injector cleanup and cleaning effects.

Diese Eigenschaften wurden durch Tests in verschiedenen Benzinen in unterschiedlichen europäischen Prüfungen gezeigt. Diese schließen den Renault-RS-Vergaser- Sauberkeitstest, den Peugeot 205-GTI-Einspritzdüsentest, den Opel-Kadett-, VW-Polo- und den Mercedes-Benz-M-102E- Einlaßventiltest mit ein.These properties have been tested in different ways Gasoline in different European tests shown. These include the Renault RS carburettor Cleanliness test, the Peugeot 205 GTI injection nozzle test, the Opel Kadett, VW Polo and the Mercedes-Benz M-102E Intake valve test.

Die Ergebnisse bestätigen, daß Additiv I, wenn es in der empfohlenen Dosierung benutzt wird, vollständige Einlaßsystemsauberkeitskontrolle liefern kann. Die Beseitigung von Einlaßsystemablagerungen kann die Fahrbarkeit verbessern, den Kraftstoffverbrauch reduzieren, Leistung wieder herstellen und die Abgasemissionen reduzieren.The results confirm that additive I, when used in the recommended dosage is used, complete Can provide intake system cleanliness control. The Elimination of intake system deposits can be Improve drivability, reduce fuel consumption, Restore power and exhaust emissions to reduce.

Empfohlene Dosierung:
mgkg (ml/qbm): 800 (660) - 1200 (990)Recommended dosage:
mgkg (ml / qbm): 800 (660) - 1200 (990)

Typische Analysewerte:
Physikalisch:
Spezifisches Gewicht bei 15°C: 890 g/kgTypical analysis values:
Physically:
Specific gravity at 15 ° C: 890 g / kg

Viskosität:Viscosity: 40°C40 ° C 95 cST95 cST 0°C0 ° C 1100 cST1100 cST Flammpunkt, PMCC °CFlash point, PMCC ° C 4747 Chemisch: @chemical: @ Stickstoff, Masse %Nitrogen, mass% 0,420.42

Datenblatt B Datasheet B

Turbinengrundöl Turbine base oil

Typische Analytische Daten Typical Analytical Data

Claims (2)

1. Anwendung einer hydrierten schwerflüchtigen Wirkkomponente in Additivtechnologien zur Verbesserung der Reinhaltewirkung von Einlaßsystemen bei Ottomotoren und zur Optimierung des Kosten-Nutzen- Verhältnisses von Benzinadditiven.1. Application of a hydrogenated low-volatility Active component in additive technologies for improvement the clean-up effect of intake systems Gasoline engines and to optimize the cost-benefit Ratio of gasoline additives. 2. Hydrocracked Grundöl als Wirkkomponente mit folgender Spezifikation: 2. Hydrocracked base oil as active component with the following specification:
DE4128381A 1991-08-27 1991-08-27 CARBURETTOR FUEL ADDITIVE Withdrawn DE4128381A1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE4128381A DE4128381A1 (en) 1991-08-27 1991-08-27 CARBURETTOR FUEL ADDITIVE
AU24131/92A AU2413192A (en) 1991-08-27 1992-08-14 Carburetor fuel additive
JP5504100A JPH06510072A (en) 1991-08-27 1992-08-14 carburetor fuel additive
EP92917254A EP0600953A1 (en) 1991-08-27 1992-08-14 Carburetor fuel additive
PCT/EP1992/001862 WO1993004147A1 (en) 1991-08-27 1992-08-14 Carburetor fuel additive

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4128381A DE4128381A1 (en) 1991-08-27 1991-08-27 CARBURETTOR FUEL ADDITIVE

Publications (1)

Publication Number Publication Date
DE4128381A1 true DE4128381A1 (en) 1993-03-04

Family

ID=6439214

Family Applications (1)

Application Number Title Priority Date Filing Date
DE4128381A Withdrawn DE4128381A1 (en) 1991-08-27 1991-08-27 CARBURETTOR FUEL ADDITIVE

Country Status (5)

Country Link
EP (1) EP0600953A1 (en)
JP (1) JPH06510072A (en)
AU (1) AU2413192A (en)
DE (1) DE4128381A1 (en)
WO (1) WO1993004147A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999040166A1 (en) * 1998-02-06 1999-08-12 Basf Aktiengesellschaft Solid fuel additive

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9318908D0 (en) * 1993-09-13 1993-10-27 Exxon Research Engineering Co Additive concentrate for use with gasolines

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US2855905A (en) * 1955-07-21 1958-10-14 Ethyl Corp Method of operating a spark ignition internal combustion engine and compositions therefor
US3034875A (en) * 1956-08-06 1962-05-15 Union Oil Co Automotive fuel
US3031278A (en) * 1958-01-20 1962-04-24 Union Oil Co Detergent internal combustion engine fuel
US3365390A (en) * 1966-08-23 1968-01-23 Chevron Res Lubricating oil production
GB1182885A (en) * 1968-09-05 1970-03-04 Shell Int Research A process for the production of very High-Viscosity-Index Lubricating Oils
US3877887A (en) * 1969-03-06 1975-04-15 Texaco Inc Motor fuel composition
GB8710955D0 (en) * 1987-05-08 1987-06-10 Shell Int Research Gasoline composition
NZ231731A (en) * 1988-12-30 1991-03-26 Mobil Oil Corp Additive for fuels of internal combustion engines comprising a polyalkylene succinimide
US4964880A (en) * 1989-06-09 1990-10-23 Exxon Research & Engineering Company Distillate fuels containing mono alkyl substituted derivatives of thiadiazoles
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999040166A1 (en) * 1998-02-06 1999-08-12 Basf Aktiengesellschaft Solid fuel additive
US6312480B1 (en) 1998-02-06 2001-11-06 Basf Aktiengesellschaft Solid fuel additive

Also Published As

Publication number Publication date
JPH06510072A (en) 1994-11-10
EP0600953A1 (en) 1994-06-15
AU2413192A (en) 1993-03-16
WO1993004147A1 (en) 1993-03-04

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