EP0526129B1 - Zusammensetzungen für die Oktanzahlbedarfssteigerungenkontrolle - Google Patents

Zusammensetzungen für die Oktanzahlbedarfssteigerungenkontrolle Download PDF

Info

Publication number
EP0526129B1
EP0526129B1 EP19920306805 EP92306805A EP0526129B1 EP 0526129 B1 EP0526129 B1 EP 0526129B1 EP 19920306805 EP19920306805 EP 19920306805 EP 92306805 A EP92306805 A EP 92306805A EP 0526129 B1 EP0526129 B1 EP 0526129B1
Authority
EP
European Patent Office
Prior art keywords
concentrate
less
volatility
mineral oil
antioxidant
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
Application number
EP19920306805
Other languages
English (en)
French (fr)
Other versions
EP0526129A1 (de
Inventor
Lawrence Joseph Cunningham
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.)
Afton Chemical Corp
Original Assignee
Afton Chemical Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Afton Chemical Corp filed Critical Afton Chemical Corp
Publication of EP0526129A1 publication Critical patent/EP0526129A1/de
Application granted granted Critical
Publication of EP0526129B1 publication Critical patent/EP0526129B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

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
    • 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
    • C10L1/18—Organic compounds containing oxygen
    • C10L1/182—Organic compounds containing oxygen containing hydroxy groups; Salts thereof
    • C10L1/183—Organic compounds containing oxygen containing hydroxy groups; Salts thereof at least one hydroxy group bound to an aromatic carbon atom
    • C10L1/1832—Organic compounds containing oxygen containing hydroxy groups; Salts thereof at least one hydroxy group bound to an aromatic carbon atom mono-hydroxy
    • 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
    • C10L1/188—Carboxylic acids; metal salts thereof
    • C10L1/1881—Carboxylic acids; metal salts thereof carboxylic group attached to an aliphatic carbon atom
    • C10L1/1883—Carboxylic acids; metal salts thereof carboxylic group attached to an aliphatic carbon atom polycarboxylic acid
    • 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
    • C10L1/198—Macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds homo- or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon to carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid
    • C10L1/1985—Macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds homo- or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon to carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid polyethers, e.g. di- polygylcols and derivatives; ethers - esters
    • 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
    • C10L1/223—Organic compounds containing nitrogen containing at least one carbon-to-nitrogen single bond having at least one amino group bound to an aromatic carbon atom
    • 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)
    • 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
    • C10L1/24—Organic compounds containing sulfur, selenium and/or tellurium
    • C10L1/2431—Organic compounds containing sulfur, selenium and/or tellurium sulfur bond to oxygen, e.g. sulfones, sulfoxides
    • C10L1/2437—Sulfonic acids; Derivatives thereof, e.g. sulfonamides, sulfosuccinic acid esters

Landscapes

  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Lubricants (AREA)
  • Liquid Carbonaceous Fuels (AREA)

Claims (14)

  1. Treibstoffadditivkonzentrat zur Kontrolle der Anforderungssteigerung in bezug auf die Octanzahl in Verbrennungsmotoren (Ottomotoren), welches folgende Bestandteile umfaßt:
    (a) das Reaktionsprodukt aus (i) Polyamin und (ii) mindestens einer mit acyclischem Hydrocarbyl substituierten Bernsteinsäure als Acylierungsmittel;
    (b) ein nicht hydrobehandeltes flüssiges Poly-α-olefinoligomer mit einer Flüchtigkeit von 50 % oder weniger und
    (c) wahlweise (A) ein Mineralöl mit einem Viskositätsindex von weniger als etwa 90 und einer Flüchtigkeit von 50 % oder weniger, wobei diese Flüchtigkeit in Gewichtsprozent der verlorenen Substanz, bezogen auf das Gesamtausgangsgewicht des getesteten Materials, ausgedrückt wird, wenn dieses Material in einem 250 ml Rundbodenkolben eine Stunde unter Rühren bei 150 upm auf 300°C erhitzt wird, während der freie Raum über dem Material im Kolben mit 7,5 l Luft/h gespült wird.
  2. Konzentrat nach Anspruch 1, das außerdem eine kleinere, aber wirksame Menge
    (B) eines Antioxidans;
    (C) eines Demulgators;
    (D) eines aromatischen Kohlenwasserstofflösungsmittels;
    (E) eines Korrosionshemmers oder
    eine beliebige Kombination der Komponenten (A), (B), (C), (D) und (E) enthält.
  3. Konzentrat nach Anspruch 2, bei dem das Antioxidans aus einem gehinderten (sterisch gehinderten) Phenol besteht.
  4. Konzentrat nach Anspruch 3, bei dem das Antioxidans aus einem tertiären butylierten Phenol besteht, das mindestens 75 % 2,6-di-tert-Butylphenol, 10 - 15 % 2,4,6-tri-tert-Butylphenol und 15 - 10 % 2-tert-Butylphenol enthält.
  5. Konzentrat nach Anspruch 2, das das Mineralöl (A), den Demulgator (C) und den Korrosionshemmer (E) enthält.
  6. Konzentrat nach Anspruch 2, 3 oder 4, das das Mineralöl (A), das Antioxidans (B), den Demulgator (C) und den Korrosionshemmer (E) enthält.
  7. Konzentrat nach einem der Ansprüche 1 bis 6, in dem das Gewichtsverhältnis von (a) zu (b) plus (c) weniger als 1 : 3 beträgt.
  8. Konzentrat nach Anspruch 7, bei dem das Gewichtsverhältnis von (a) zu (b) plus (c) im Bereich von 1 : 1,2 bis 1 : 2,5 liegt.
  9. Konzentrat nach einem der vorstehenden Ansprüche, bei dem das Polyamin ein oder mehrere Alkylenpolyamine, cyclische Alkylenpolyamine, acyclische Alkylenpolyamine oder eine Mischung aus zwei oder mehreren der vorstehenden Substanzen darstellt, wobei jede Alkylengruppe 1 bis 10 Kohlenstoffatome enthält und der acyclische Hydrocarbylsubstituent ein Polyalkylen mit 64 bis 80 Kohlenstoffatomen ist und das nicht hydrobehandelte Poly-α-olefin bei 100°C eine Viskosität von 10 cSt aufweist.
  10. Konzentrat nach Anspruch 9, bei dem das Polyamin Triethylentetramin oder eine Triethylentetramin nahekommende Kombination aus Ethylenpolyaminen ist.
  11. Konzentrat nach einem der vorstehenden Ansprüche, das ein Mineralöl mit einer Flüchtigkeit Von 50 % oder weniger enthält und in dem das Verhältnis von Mineralöl zu Poly-α-olefin im Bereich von 3 : 1 bis 0,5 : 1 liegt.
  12. Motortreibstoff, der (i) eine größere Menge Kohlenwasserstoffe im Siedebereich von Benzin oder Mischungen aus Kohlenwasserstoff und oxygenierte Substanzen oder oxygenierte Substanzen und (ii) eine kleinere, aber wirksame Menge der Komponenten eines Treibstoffadditivkonzentrats nach einem der Ansprüche 1 bis 11 enthält.
  13. Verfahren zur Kontrolle der Anforderungssteigerung in bezug auf die Octanzahl von Verbrennungsmotoren (Ottomotoren) oder zur Verringerung von Induktionssystemablagerungen in Verbrennungsmotoren (Ottomotoren), bei dem zur Verwendung als Treibstoffzusammensetzung eine größere Menge eines bleifreien Benzins und eine kleinere, aber wirksame Menge eines Gemischs zur Kontrolle der Octanbedarfssteigerung oder einer Mischung zur Verringerung von Induktionssystemablagerungen zur Verfügung gestellt wird, die folgende Bestandteile umfaßt:
    (a) das Reaktionsprodukt aus (i) Polyamin und (ii) mindestens einer mit acyclischem Hydrocarbyl substituierten Bernsteinsäure als Acylierungsmittel;
    (b) ein nicht hydrobehandeltes flüssiges Poly-α-olefinoligomer mit einer Flüchtigkeit von 50 % oder weniger und
    (c) wahlweise ein Mineralöl mit einem Viskositätsindex von weniger als etwa 90 und einer Flüchtigkeit von 50 % oder weniger, wobei diese Flüchtigkeit in Gewichtsprozent der verlorenen Substanz ausgedrückt wird, bezogen auf das Gesamtausgangsgewicht des getesteten Materials, wenn dieses Material in einem 250 ml Rundbodenkolben eine Stunde unter Rühren bei 150 upm auf 300°C erhitzt wird, während der freie Raum über dem Material im Kolben mit 7,5 l Luft/h gespült wird, wodurch die Steigerung der Anforderung in bezug auf die Octanzahl eines Verbrennungsmotors effektiv kontrolliert wird.
  14. Verfahren nach Anspruch 13, bei dem die Komponenten des Gemischs wie in den Ansprüchen 2 bis 11 definiert sind.
EP19920306805 1991-07-29 1992-07-24 Zusammensetzungen für die Oktanzahlbedarfssteigerungenkontrolle Expired - Lifetime EP0526129B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US73719591A 1991-07-29 1991-07-29
US737195 1991-07-29

Publications (2)

Publication Number Publication Date
EP0526129A1 EP0526129A1 (de) 1993-02-03
EP0526129B1 true EP0526129B1 (de) 1995-05-24

Family

ID=24962956

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19920306805 Expired - Lifetime EP0526129B1 (de) 1991-07-29 1992-07-24 Zusammensetzungen für die Oktanzahlbedarfssteigerungenkontrolle

Country Status (6)

Country Link
EP (1) EP0526129B1 (de)
JP (1) JPH05194966A (de)
AU (1) AU654569B2 (de)
CA (1) CA2074208A1 (de)
DE (1) DE69202642T2 (de)
ES (1) ES2073248T3 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993006194A1 (en) * 1991-09-13 1993-04-01 Chevron Research And Technology Company Fuel additive compositions containing polyisobutenyl succinimides
US5551957A (en) * 1992-05-06 1996-09-03 Ethyl Corporation Compostions for control of induction system deposits
AU668151B2 (en) * 1992-05-06 1996-04-26 Afton Chemical Corporation Composition for control of induction system deposits
CA2104825C (en) * 1992-09-14 2004-01-06 Joseph Graham Gasoline containing polyalphaolefin and polyoxyalkylene additives
GB2279965A (en) * 1993-07-12 1995-01-18 Ethyl Petroleum Additives Ltd Additive compositions for control of deposits, exhaust emissions and/or fuel consumption in internal combustion engines
GB2283495A (en) * 1993-11-01 1995-05-10 Ethyl Petroleum Additives Ltd Compositions for control of induction system deposits in internal combustion engines
US5509944A (en) * 1994-08-09 1996-04-23 Exxon Chemical Patents Inc. Stabilization of gasoline and gasoline mixtures
GB9502041D0 (en) 1995-02-02 1995-03-22 Exxon Chemical Patents Inc Additives and fuel oil compositions
US5814111A (en) * 1995-03-14 1998-09-29 Shell Oil Company Gasoline compositions
US6183525B1 (en) * 1998-09-18 2001-02-06 American Energy Group, Inc. Fuel additive composition and method for the treatment of fuels
DE60109936T2 (de) * 2000-07-19 2006-02-02 The Lubrizol Corp., Wickliffe Additivzusammensetzung für mitteldestillatbrennstoffe und diese enthaltende mitteldestillat-brennstoffzusammensetzungen
US20030177692A1 (en) * 2002-03-12 2003-09-25 The Lubrizol Corporation Method of operating a direct injection spark-ignited engine with a fuel composition
US8556999B2 (en) 2007-07-27 2013-10-15 Swift Fuels, Llc Renewable engine fuel and method of producing same
US8552232B2 (en) 2006-07-27 2013-10-08 Swift Fuels, Llc Biogenic turbine and diesel fuel
US8907150B2 (en) 2006-07-27 2014-12-09 Swift Fuels, Llc Biogenic fuel and method of making same
US9145566B2 (en) 2007-07-27 2015-09-29 Swift Fuels, Llc Renewable engine fuel and method of producing same
DE102007056511A1 (de) 2007-11-22 2009-05-28 Bayer Materialscience Ag Verfahren zur Herstellung aromatischer Diisocyanate in der Gasphase
CA2799821A1 (en) * 2009-09-18 2011-03-24 Swift Fuels, Llc Mesitylene as an octane enhancer for automotive gasoline, additive for jet fuel, and method of enhancing motor fuel octane and lowering jet fuel carbon emissions
US9816041B2 (en) 2013-12-09 2017-11-14 Swift Fuels, Llc Aviation gasolines containing mesitylene and isopentane
US20150259619A1 (en) 2014-03-11 2015-09-17 Swift Fuels, Llc Motor fuel formulation

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3307928A (en) * 1963-01-30 1967-03-07 Exxon Research Engineering Co Gasoline additives for enhancing engine cleanliness
BE758163A (fr) * 1969-11-06 1971-04-28 Texaco Development Corp Nouveau carburant
US3994698A (en) * 1972-02-29 1976-11-30 Ethyl Corporation Gasoline additive concentrate composition
GB1486144A (en) * 1974-03-13 1977-09-21 Cities Service Oil Co Gasoline additive
BE837155R (fr) * 1975-11-17 1976-06-29 Procede et catalyseur pour l'oligomerisation d'alpha-olefines
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
ES2054233T3 (es) * 1990-02-06 1994-08-01 Ethyl Petroleum Additives Ltd Composiciones para control de depositos en sistemas de induccion.

Also Published As

Publication number Publication date
CA2074208A1 (en) 1993-01-30
DE69202642T2 (de) 1995-10-12
AU2059792A (en) 1993-02-04
EP0526129A1 (de) 1993-02-03
DE69202642D1 (de) 1995-06-29
JPH05194966A (ja) 1993-08-03
AU654569B2 (en) 1994-11-10
ES2073248T3 (es) 1995-08-01

Similar Documents

Publication Publication Date Title
EP0526129B1 (de) Zusammensetzungen für die Oktanzahlbedarfssteigerungenkontrolle
US5551957A (en) Compostions for control of induction system deposits
AU714453C (en) Additives and fuel oil compositions
US5514190A (en) Fuel compositions and additives therefor
JP3020609B2 (ja) 燃料油組成物
US5279626A (en) Enhanced fuel additive concentrate
US20030079399A1 (en) Fuels compositions for direct injection gasoline engines
AU678514B2 (en) Fuel compositions and additives therefor
US5122616A (en) Succinimides
EP0290088B1 (de) Benzinzusammensetzung
WO1990010051A1 (en) Fuel composition for control of intake valve deposits
EP0441014B1 (de) In Zufuhranlage Niederschläge kontrollierende Zusammensetzungen
EP0634472A1 (de) Zusammensetzungen um Ablagerungen, Auspuffausströmungen und/oder Kraftstoffverbrauch in Innenverbrennungsmotoren zu Regeln
US4997456A (en) Fuel compositions
AU657356B2 (en) Compositions for control of induction system deposits
GB2261441A (en) Fuel compositions
KR20020086956A (ko) 연료 오일 조성물

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): BE DE ES FR GB IT

17P Request for examination filed

Effective date: 19930510

17Q First examination report despatched

Effective date: 19931112

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: ETHYL PETROLEUM ADDITIVES, INC.

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): BE DE ES FR GB IT

ITF It: translation for a ep patent filed

Owner name: JACOBACCI & PERANI S.P.A.

REF Corresponds to:

Ref document number: 69202642

Country of ref document: DE

Date of ref document: 19950629

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2073248

Country of ref document: ES

Kind code of ref document: T3

ET Fr: translation filed
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 19950811

Year of fee payment: 4

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 19950818

Year of fee payment: 4

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: BE

Payment date: 19950824

Year of fee payment: 4

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: ES

Payment date: 19950914

Year of fee payment: 4

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Effective date: 19960724

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF EXPIRATION OF PROTECTION

Effective date: 19960725

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Effective date: 19960731

BERE Be: lapsed

Owner name: ETHYL PETROLEUM ADDITIVES INC.

Effective date: 19960731

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 19960724

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Effective date: 19970328

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Effective date: 19970402

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 19990601

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20050724