[go: up one dir, main page]

GB2307246B - Fuel additive - Google Patents

Fuel additive

Info

Publication number
GB2307246B
GB2307246B GB9523164A GB9523164A GB2307246B GB 2307246 B GB2307246 B GB 2307246B GB 9523164 A GB9523164 A GB 9523164A GB 9523164 A GB9523164 A GB 9523164A GB 2307246 B GB2307246 B GB 2307246B
Authority
GB
United Kingdom
Prior art keywords
fuel additive
additive
fuel
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 - Fee Related
Application number
GB9523164A
Other versions
GB2307246A (en
GB9523164D0 (en
Inventor
Robert Quigley
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 Ltd
Original Assignee
Afton Chemical Ltd
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 Ltd filed Critical Afton Chemical Ltd
Priority to GB9523164A priority Critical patent/GB2307246B/en
Publication of GB9523164D0 publication Critical patent/GB9523164D0/en
Priority to EP19960308194 priority patent/EP0773279B1/en
Priority to CA 2190243 priority patent/CA2190243A1/en
Publication of GB2307246A publication Critical patent/GB2307246A/en
Application granted granted Critical
Publication of GB2307246B publication Critical patent/GB2307246B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • C10L10/00—Use of additives to fuels or fires for particular purposes
    • C10L10/08—Use of additives to fuels or fires for particular purposes for improving lubricity; for reducing wear
    • 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
    • C10L1/22—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
    • C10L1/222—Organic compounds containing nitrogen containing at least one carbon-to-nitrogen single bond
    • C10L1/224—Amides; Imides carboxylic acid amides, imides
    • 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
    • C10L1/232—Organic compounds containing nitrogen containing nitrogen in a heterocyclic ring
    • 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
    • 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
    • C10L1/1608—Well defined compounds, e.g. hexane, benzene
    • 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
    • C10L1/18—Organic compounds containing oxygen
    • C10L1/182—Organic compounds containing oxygen containing hydroxy groups; Salts thereof
    • C10L1/1822—Organic compounds containing oxygen containing hydroxy groups; Salts thereof hydroxy group directly attached to (cyclo)aliphatic carbon atoms
    • C10L1/1824—Organic compounds containing oxygen containing hydroxy groups; Salts thereof hydroxy group directly attached to (cyclo)aliphatic carbon atoms 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
    • C10L1/22—Organic compounds containing nitrogen
    • C10L1/23—Organic compounds containing nitrogen containing at least one nitrogen-to-oxygen bond, e.g. nitro-compounds, nitrates, nitrites
    • C10L1/231—Organic compounds containing nitrogen containing at least one nitrogen-to-oxygen bond, e.g. nitro-compounds, nitrates, nitrites nitro compounds; nitrates; nitrites
    • 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
    • C10L1/232—Organic compounds containing nitrogen containing nitrogen in a heterocyclic ring
    • C10L1/233—Organic compounds containing nitrogen containing nitrogen in a heterocyclic ring containing nitrogen and oxygen in the ring, e.g. oxazoles
    • C10L1/2335—Organic compounds containing nitrogen containing nitrogen in a heterocyclic ring containing nitrogen and oxygen in the ring, e.g. oxazoles morpholino, and derivatives thereof
    • 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)
    • C10L1/2387—Polyoxyalkyleneamines (poly)oxyalkylene amines and 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)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Liquid Carbonaceous Fuels (AREA)
  • Solid Fuels And Fuel-Associated Substances (AREA)
GB9523164A 1995-11-13 1995-11-13 Fuel additive Expired - Fee Related GB2307246B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB9523164A GB2307246B (en) 1995-11-13 1995-11-13 Fuel additive
EP19960308194 EP0773279B1 (en) 1995-11-13 1996-11-13 Fuel additive
CA 2190243 CA2190243A1 (en) 1995-11-13 1996-11-13 Fuel additive

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9523164A GB2307246B (en) 1995-11-13 1995-11-13 Fuel additive

Publications (3)

Publication Number Publication Date
GB9523164D0 GB9523164D0 (en) 1996-01-17
GB2307246A GB2307246A (en) 1997-05-21
GB2307246B true GB2307246B (en) 2000-04-12

Family

ID=10783787

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9523164A Expired - Fee Related GB2307246B (en) 1995-11-13 1995-11-13 Fuel additive

Country Status (2)

Country Link
EP (1) EP0773279B1 (en)
GB (1) GB2307246B (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2772783A1 (en) * 1997-12-24 1999-06-25 Elf Antar France New additives compositions for improving the lubricating power of low sulfur petrol, diesel and jet fuels
FR2772784B1 (en) * 1997-12-24 2004-09-10 Elf Antar France ONCTUOSITY ADDITIVE FOR FUEL
DE19927561C1 (en) * 1999-06-17 2000-12-14 Clariant Gmbh Use of oil-soluble copolymers are derived from hydroxy-functional and hydrophobic ethylenically unsaturated monomers to improve the lubricating properties of low-sulfur middle distillates
GB2358192A (en) * 2000-01-14 2001-07-18 Exxonmobil Res & Eng Co Fatty acids or derivatives thereof as lubricity enhancers in low sulphur fuels
DE60119918T3 (en) 2000-03-31 2010-07-01 Texaco Development Corp. FUEL COMPOSITION FOR FRICTIONAL IMPROVEMENT DELIVERY IMPROVEMENT
US6589302B1 (en) 2000-05-09 2003-07-08 Texaco Inc. Friction modifier for poor lubricity fuels
US6835217B1 (en) 2000-09-20 2004-12-28 Texaco, Inc. Fuel composition containing friction modifier
EP1408101A1 (en) 2002-10-04 2004-04-14 Infineum International Limited Additives and fuel oil compositions
US20050132641A1 (en) * 2003-12-23 2005-06-23 Mccallum Andrew J. Fuel lubricity from blends of lubricity improvers and corrosion inhibitors or stability additives
US7696136B2 (en) 2004-03-11 2010-04-13 Crompton Corporation Lubricant compositions containing hydroxy carboxylic acid and hydroxy polycarboxylic acid esters
MY157988A (en) * 2005-11-28 2016-08-30 Malaysian Palm Oil Board Mpob Aviation fuel composition
CN102229837A (en) * 2011-05-19 2011-11-02 赵志明 Antiwear agent for petroleum diesel oil and application method thereof
CN104845685B (en) * 2015-03-25 2016-09-28 中国人民解放军空军油料研究所 A kind of antiwear additive of aviation fuel
CN115537242B (en) 2021-06-30 2023-11-10 中国石油化工股份有限公司 Diesel antiwear agent composition, preparation method thereof and diesel oil composition

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4059414A (en) * 1976-05-28 1977-11-22 Phillips Petroleum Company Ashless fuel detergent additives
US4253876A (en) * 1980-02-19 1981-03-03 Petrolite Corporation Corrosion inhibitors
US4491455A (en) * 1982-02-10 1985-01-01 Nippon Oil And Fats Co., Ltd. Method for improving cold flow of fuel oils
US4509954A (en) * 1983-02-16 1985-04-09 Nippon Oil And Fats Company, Ltd. Method for improving cold flow of fuel oils
US4639256A (en) * 1985-12-18 1987-01-27 Mobil Oil Corporation Cold flow improving additive compound and fuel composition containing same
US5080690A (en) * 1989-12-29 1992-01-14 Mobil Oil Corp. Polymer supported 1-alkyl-N,N-dialkyl aminoalcohols and fuel compositions containing same
WO1992009673A1 (en) * 1990-12-03 1992-06-11 Mobil Oil Corporation Multifunctional additives to improve the low-temperature properties of distillate fuels and compositions containing same
US5194068A (en) * 1990-06-29 1993-03-16 Basf Aktiengesellschaft Ester-containing fuel for gasoline engines and diesel engines
US5352377A (en) * 1993-02-08 1994-10-04 Mobil Oil Corporation Carboxylic acid/ester products as multifunctional additives for lubricants

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3117931A (en) * 1955-08-01 1964-01-14 Exxon Research Engineering Co Inhibitors for oleaginous compositions
US2854324A (en) * 1955-11-09 1958-09-30 Petrolite Corp Fuel oil composition
US2854323A (en) * 1955-11-09 1958-09-30 Petrolite Corp Fuel oil composition
US3088815A (en) * 1958-03-27 1963-05-07 Sinclair Research Inc Fuel oil
US3123634A (en) * 1961-04-28 1964-03-03 Chzchsocchzchzcoh
FR1399466A (en) * 1963-06-26 1965-05-14 Exxon Research Engineering Co Process for improving the lubricity of oleophilic liquids and additives used in this process
CZ280251B6 (en) * 1992-02-07 1995-12-13 Slovnaft A.S. Bratislava Derivatives of dicarboxylic acids as additives in low-lead or lead-free petrols
GB9411614D0 (en) * 1994-06-09 1994-08-03 Exxon Chemical Patents Inc Fuel oil compositions

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4059414A (en) * 1976-05-28 1977-11-22 Phillips Petroleum Company Ashless fuel detergent additives
US4253876A (en) * 1980-02-19 1981-03-03 Petrolite Corporation Corrosion inhibitors
US4491455A (en) * 1982-02-10 1985-01-01 Nippon Oil And Fats Co., Ltd. Method for improving cold flow of fuel oils
US4509954A (en) * 1983-02-16 1985-04-09 Nippon Oil And Fats Company, Ltd. Method for improving cold flow of fuel oils
US4639256A (en) * 1985-12-18 1987-01-27 Mobil Oil Corporation Cold flow improving additive compound and fuel composition containing same
US5080690A (en) * 1989-12-29 1992-01-14 Mobil Oil Corp. Polymer supported 1-alkyl-N,N-dialkyl aminoalcohols and fuel compositions containing same
US5194068A (en) * 1990-06-29 1993-03-16 Basf Aktiengesellschaft Ester-containing fuel for gasoline engines and diesel engines
WO1992009673A1 (en) * 1990-12-03 1992-06-11 Mobil Oil Corporation Multifunctional additives to improve the low-temperature properties of distillate fuels and compositions containing same
US5352377A (en) * 1993-02-08 1994-10-04 Mobil Oil Corporation Carboxylic acid/ester products as multifunctional additives for lubricants

Also Published As

Publication number Publication date
EP0773279A1 (en) 1997-05-14
EP0773279B1 (en) 2006-08-09
GB2307246A (en) 1997-05-21
GB9523164D0 (en) 1996-01-17

Similar Documents

Publication Publication Date Title
PL330224A1 (en) Fuel additives
GB9711370D0 (en) Solid fuels
AU4281893A (en) Fuel additive
GB9520243D0 (en) Injector
GB2307247B (en) Fuel additive
GB2307246B (en) Fuel additive
SG63727A1 (en) Fuel additive
GB9525369D0 (en) Injector
GB9624446D0 (en) Fuel economy additives
GB9508644D0 (en) Fuel compositions
GB9506715D0 (en) Improved additive
GB9321370D0 (en) Fuel additives
GB9622026D0 (en) Fuel additives
GB9503104D0 (en) Diesel fuels
GB9521230D0 (en) Fuel additive apparatus
GB9508968D0 (en) Fuel
GB9319454D0 (en) Fuel
GB9518014D0 (en) Solid fuels
GB9511030D0 (en) Solid fuels
GB9300696D0 (en) Fuel additives
GB9322857D0 (en) Fuel additives
PL308698A1 (en) Detergentive component for engine fuels
GB9611406D0 (en) Fuel additives
GB9619701D0 (en) Fuel additives
AU128829S (en) Slow combustion woodheater

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20061113