ES2006353A6 - Procedimiento para reducir la concentracion de un contaminante el el efluente de la combustion de un combustible carbonaceo. - Google Patents
Procedimiento para reducir la concentracion de un contaminante el el efluente de la combustion de un combustible carbonaceo.Info
- Publication number
- ES2006353A6 ES2006353A6 ES8800664A ES8800664A ES2006353A6 ES 2006353 A6 ES2006353 A6 ES 2006353A6 ES 8800664 A ES8800664 A ES 8800664A ES 8800664 A ES8800664 A ES 8800664A ES 2006353 A6 ES2006353 A6 ES 2006353A6
- Authority
- ES
- Spain
- Prior art keywords
- effluent
- pollutants
- concentration
- reducing
- stage process
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/54—Nitrogen compounds
- B01D53/56—Nitrogen oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/60—Simultaneously removing sulfur oxides and nitrogen oxides
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Activated Sludge Processes (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
PROCEDIMIENTO PARA REDUCIR LA CONCENTRACION DE UN CONTAMINANTE EN EL EFLUENTE DE LA COMBUSTION DE UN COMBUSTIBLE CARBONACEO. EL PROCEDIMIENTO COMPRENDE INYECTAR UN PRIMER AGENTE DE TRATAMIENTO EN EL EFLUENTE EN UNA ZONA A UNA PRIMERA TEMPERATURA E INYECTAR UN SEGUNDO AGENTE DE TRATAMIENTO EN EL AFLUENTE EN UNA ZONA A UNA SEGUNDA TEMPERATURA, EN DONDE EL PRIMERO Y EL SEGUNDO AGENTE DE TRATAMIENTO SE INYECTAN EN CONDICIONES EFICACES PARA REDUCIR EL INDICE DE CONTAMINACION DEL EFLUENTE.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/022,716 US4777024A (en) | 1987-03-06 | 1987-03-06 | Multi-stage process for reducing the concentration of pollutants in an effluent |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2006353A6 true ES2006353A6 (es) | 1989-04-16 |
Family
ID=21811074
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES8800664A Expired ES2006353A6 (es) | 1987-03-06 | 1988-03-04 | Procedimiento para reducir la concentracion de un contaminante el el efluente de la combustion de un combustible carbonaceo. |
Country Status (18)
Country | Link |
---|---|
US (1) | US4777024A (es) |
EP (1) | EP0306515B1 (es) |
JP (1) | JP2817928B2 (es) |
CN (1) | CN88101838A (es) |
AT (1) | ATE117274T1 (es) |
AU (1) | AU597210B2 (es) |
CA (2) | CA1312189C (es) |
DD (1) | DD275186A5 (es) |
DE (2) | DE306515T1 (es) |
ES (1) | ES2006353A6 (es) |
FI (1) | FI88463C (es) |
GR (1) | GR880100126A (es) |
HU (1) | HU206659B (es) |
MX (1) | MX165279B (es) |
PL (1) | PL152655B1 (es) |
PT (1) | PT86907B (es) |
WO (1) | WO1988006569A1 (es) |
YU (1) | YU46446B (es) |
Families Citing this family (56)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4927612A (en) * | 1985-10-04 | 1990-05-22 | Fuel Tech, Inc. | Reduction of nitrogen- and carbon-based pollutants |
US5017347A (en) * | 1987-02-13 | 1991-05-21 | Fuel Tech, Inc. | Process for nitrogen oxides reduction and minimization of the production of other pollutants |
US5057293A (en) * | 1987-02-13 | 1991-10-15 | Fuel Tech, Inc. | Multi-stage process for reducing the concentration of pollutants in an effluent |
AU3282389A (en) * | 1988-02-26 | 1989-09-22 | Fuel Tech. Inc. | Process and injector for reducing the concentration of pollutants in an effluent |
US4908194A (en) * | 1988-03-29 | 1990-03-13 | Natec Mines Ltd. | Method for baghouse brown plume pollution control |
US5616307A (en) * | 1988-04-29 | 1997-04-01 | Nalco Fuel Tech | Boiler operation with decreased NOx and waste water discharge |
US5441713A (en) * | 1988-04-29 | 1995-08-15 | Nalco Fuel Tech | Hardness suppression in urea solutions |
US4985218A (en) * | 1989-03-03 | 1991-01-15 | Fuel Tech, Inc. | Process and injector for reducing the concentration of pollutants in an effluent |
US5240689A (en) * | 1989-06-19 | 1993-08-31 | Noell, Inc. | Process using two-stage boiler injection for reduction of nitrogen |
EP0432166A1 (en) * | 1989-07-04 | 1991-06-19 | Fuel Tech Europe Limited | Lance-type injection apparatus for introducing chemical agents into flue gases |
US5047219A (en) * | 1989-08-18 | 1991-09-10 | Fuel Tech, Inc. | Hybrid process for nitrogen oxides reduction |
US5262138A (en) * | 1989-08-31 | 1993-11-16 | Union Oil Company Of California | Process for NOx abatement |
US4978514A (en) * | 1989-09-12 | 1990-12-18 | Fuel Tech, Inc. | Combined catalytic/non-catalytic process for nitrogen oxides reduction |
US5139754A (en) * | 1989-09-12 | 1992-08-18 | Fuel Tech, Inc. | Catalytic/non-catalytic combination process for nitrogen oxides reduction |
JPH03146116A (ja) * | 1989-10-31 | 1991-06-21 | Hitachi Zosen Corp | 簡易脱硝法 |
US4997631A (en) * | 1990-03-07 | 1991-03-05 | Fuel Tech, Inc. | Process for reducing nitrogen oxides without generating nitrous oxide |
US5165903A (en) * | 1990-04-16 | 1992-11-24 | Public Service Company Of Colorado | Integrated process and apparatus for control of pollutants in coal-fired boilers |
US5240688A (en) * | 1990-08-01 | 1993-08-31 | Fuel Tech Gmbh | Process for the in-line hydrolysis of urea |
US5543123A (en) * | 1990-08-01 | 1996-08-06 | Nalco Fuel Tech | Low pressure formation of a urea hydrolysate for nitrogen oxides reduction |
US5098680A (en) * | 1990-10-15 | 1992-03-24 | Exxon Research & Engineering Company | Aqueous ammonia injection scheme |
US5048432B1 (en) * | 1990-12-27 | 1996-07-02 | Nalco Fuel Tech | Process and apparatus for the thermal decomposition of nitrous oxide |
US5229090A (en) * | 1991-07-03 | 1993-07-20 | Nalco Fuel Tech | Process for nitrogen oxides reduction to lowest achievable level |
US5443805A (en) * | 1991-08-21 | 1995-08-22 | Massachusetts Institute Of Technology | Reduction of combustion effluent pollutants |
TW238257B (es) * | 1992-07-24 | 1995-01-11 | Malco Puel Tech | |
US5489419A (en) * | 1992-10-13 | 1996-02-06 | Nalco Fuel Tech | Process for pollution control |
US5536482A (en) * | 1992-10-13 | 1996-07-16 | Nalco Fuel Tech | Process for pollution control |
US5478542A (en) * | 1992-11-23 | 1995-12-26 | Nalco Fuel Tech | Process for minimizing pollutant concentrations in combustion gases |
EP0712377B1 (en) * | 1993-05-07 | 1999-01-20 | Nalco Fuel Tech | PROCESS AND APPARATUS FOR ENHANCING DISTRIBUTION OF NOx-REDUCING CHEMICALS IN A HIGH-SOLIDS ENVIRONMENT |
US5404841A (en) * | 1993-08-30 | 1995-04-11 | Valentine; James M. | Reduction of nitrogen oxides emissions from diesel engines |
US5489420A (en) * | 1994-03-10 | 1996-02-06 | Nalco Fuel Tech | Nitrogen oxides reducing agent and a phosphate |
US5462718A (en) * | 1994-06-13 | 1995-10-31 | Foster Wheeler Energy Corporation | System for decreasing NOx emissions from a fluidized bed reactor |
US5743929A (en) * | 1995-08-23 | 1998-04-28 | The Boc Group, Inc. | Process for the production of high purity carbon dioxide |
US5985222A (en) * | 1996-11-01 | 1999-11-16 | Noxtech, Inc. | Apparatus and method for reducing NOx from exhaust gases produced by industrial processes |
DE19810275A1 (de) * | 1998-03-10 | 1999-09-09 | Siemens Ag | Verfahren und Anlage zur Minderung der Stickoxide im Abgas einer Gasturbine |
US6267802B1 (en) | 1999-06-17 | 2001-07-31 | Ada Environmental Solutions, Llc | Composition apparatus and method for flue gas conditioning |
US6280695B1 (en) | 2000-07-10 | 2001-08-28 | Ge Energy & Environmental Research Corp. | Method of reducing NOx in a combustion flue gas |
US20020199156A1 (en) * | 2001-05-23 | 2002-12-26 | Fuel Tech, Inc. | Hardware-adaptable data visualization tool for use in complex data analysis and engineering design |
US6797035B2 (en) * | 2002-08-30 | 2004-09-28 | Ada Environmental Solutions, Llc | Oxidizing additives for control of particulate emissions |
US8449288B2 (en) * | 2003-03-19 | 2013-05-28 | Nalco Mobotec, Inc. | Urea-based mixing process for increasing combustion efficiency and reduction of nitrogen oxides (NOx) |
US7670569B2 (en) * | 2003-06-13 | 2010-03-02 | Mobotec Usa, Inc. | Combustion furnace humidification devices, systems & methods |
US7537743B2 (en) * | 2004-02-14 | 2009-05-26 | Mobotec Usa, Inc. | Method for in-furnace regulation of SO3 in catalytic NOx reducing systems |
US8251694B2 (en) * | 2004-02-14 | 2012-08-28 | Nalco Mobotec, Inc. | Method for in-furnace reduction flue gas acidity |
US7410356B2 (en) | 2005-11-17 | 2008-08-12 | Mobotec Usa, Inc. | Circulating fluidized bed boiler having improved reactant utilization |
US7622091B2 (en) * | 2007-01-24 | 2009-11-24 | General Electric Company | Methods and systems for reducing NOx emissions in industrial combustion systems |
US8069824B2 (en) * | 2008-06-19 | 2011-12-06 | Nalco Mobotec, Inc. | Circulating fluidized bed boiler and method of operation |
CN101982207B (zh) * | 2010-10-13 | 2012-10-03 | 安徽淮化股份有限公司 | 处理甲胺和二甲基甲酰胺合成过程中所产生的废物的方法 |
EP2753805B1 (en) * | 2011-09-06 | 2017-07-19 | International Engine Intellectual Property Company, LLC | Method for reducing nox in an exhaust system of an internal combustion engine |
US9869226B2 (en) * | 2013-06-07 | 2018-01-16 | Peerless Mfg. Co. | System and method for sequential injection of reagent to reduce NOx from combustion sources |
RU2550864C2 (ru) * | 2013-09-27 | 2015-05-20 | Открытое акционерное общество "Всероссийский дважды ордена Трудового Красного Знамени теплотехнический научно-исследовательский институт" | Способ высокотемпературной некаталитической очистки от оксидов азота продуктов сгорания с многозонным вводом в них восстановителя |
US10006633B2 (en) | 2014-06-03 | 2018-06-26 | Peerless Mfg. Co | Infinitely variable injector for improved SNCR performance |
DE102015009089B4 (de) * | 2015-04-30 | 2022-04-14 | Mehldau & Steinfath Umwelttechnik Gmbh | Verfahren, Vorrichtung und Verwendung der Vorrichtung zur Entstickung von Abgasen aus großtechnischen Anlagen |
GB2552040B (en) * | 2016-12-01 | 2018-08-01 | Univ Loughborough | Process for reducing nitrogen oxides |
CN108722163B (zh) * | 2017-09-07 | 2019-06-07 | 江苏新世纪江南环保股份有限公司 | 一种氨法脱硫控制吸收过程气溶胶产生的方法 |
RU2742174C1 (ru) * | 2020-07-24 | 2021-02-02 | Открытое акционерное общество "Всероссийский дважды ордена Трудового Красного Знамени теплотехнический научно-исследовательский институт" (ОАО "ВТИ") | Способ очистки от оксидов азота продуктов сгорания топлива в газоходе теплового агрегата и установка для его осуществления |
CN113117475B (zh) * | 2021-04-30 | 2021-11-19 | 山东省昔利环境科技有限公司 | 一种复合纤维脱硝剂及其制备方法 |
CN113337318B (zh) * | 2021-06-08 | 2023-05-30 | 盛世昆仲(北京)科技发展有限公司 | 一种节能环保燃料油的制备方法 |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3565575A (en) * | 1968-05-22 | 1971-02-23 | Chemical Construction Corp | Removal of nitrogen oxides from a gas stream |
US3846981A (en) * | 1970-10-19 | 1974-11-12 | Nanaimo Enviro Syst Corp | Emission control process and system |
US3801696A (en) * | 1971-11-18 | 1974-04-02 | J Mark | Apparatus for removing nitrogen oxides from engine exhaust |
US3900554A (en) * | 1973-03-16 | 1975-08-19 | Exxon Research Engineering Co | Method for the reduction of the concentration of no in combustion effluents using ammonia |
JPS5067609A (es) * | 1973-10-17 | 1975-06-06 | ||
JPS5111380A (en) * | 1974-07-19 | 1976-01-29 | Hitachi Ltd | Masukukeiseiho oyobi sonosochi |
JPS5112330A (ja) * | 1974-07-22 | 1976-01-30 | Nippon Steel Corp | Nabekeidosochi |
JPS5179031A (ja) * | 1974-12-30 | 1976-07-09 | Mitsubishi Chem Ind | Kogyoyoboira |
JPS5539971B2 (es) * | 1975-02-04 | 1980-10-15 | ||
JPS526368A (en) * | 1975-07-05 | 1977-01-18 | Hitachi Ltd | Process for reducing nitrogen oxides in exhaust combustion gases |
US4208386A (en) * | 1976-03-03 | 1980-06-17 | Electric Power Research Institute, Inc. | Urea reduction of NOx in combustion effluents |
CA1097487A (en) * | 1976-04-20 | 1981-03-17 | David W. Turner | Method and apparatus for reducing no.sub.x emission to the atmosphere |
JPS5330975A (en) * | 1976-09-03 | 1978-03-23 | Toray Ind Inc | Decreasing method for nitrogen oxides concentration of combustion exhaust gas |
JPS5372773A (en) * | 1976-12-10 | 1978-06-28 | Hitachi Ltd | Direct reductive denitration method of ammonia |
US4113838A (en) * | 1976-12-30 | 1978-09-12 | Mitsubishi Chemical Industries, Ltd. | Method of treating combustion exhaust gas containing nitrogen oxides |
DE2700557C2 (de) * | 1977-01-07 | 1986-07-17 | Mitsubishi Chemical Industries Ltd., Tokio/Tokyo | Verfahren zur Behandlung von Stickstoffoxide enthaltendem Verbrennungsabgas |
JPS53128023A (en) * | 1977-04-15 | 1978-11-08 | Toray Ind Inc | Method for reducing the concentration of nitrogen oxide in combustion effluent gas |
US4325924A (en) * | 1977-10-25 | 1982-04-20 | Electric Power Research Institute, Inc. | Urea reduction of NOx in fuel rich combustion effluents |
JPS54123573A (en) * | 1978-03-17 | 1979-09-25 | Matsushita Electric Ind Co Ltd | Exhaust gas treating agent |
US4405587A (en) * | 1982-02-16 | 1983-09-20 | Mcgill Incorporated | Process for reduction of oxides of nitrogen |
US4507069A (en) * | 1983-10-20 | 1985-03-26 | Foundation Control Systems, Inc. | Apparatus for positioning and stabilizing a concrete slab |
US4507269A (en) * | 1983-11-10 | 1985-03-26 | Exxon Research & Engineering Co. | Non-catalytic method for reducing the concentration of NO in combustion effluents by injection of ammonia at temperatures greater than about 1300 degree K |
US4624840A (en) * | 1983-11-10 | 1986-11-25 | Exxon Research & Engineering Company | Non-catalytic method for reducing the concentration of NO in combustion effluents by injection of ammonia at temperatures greater than about 1300° K. |
US4853193A (en) * | 1986-01-10 | 1989-08-01 | Exxon Research And Engineering Company | Process for removing NOx and SOx from a gaseous mixture |
-
1987
- 1987-03-06 US US07/022,716 patent/US4777024A/en not_active Expired - Lifetime
-
1988
- 1988-03-02 CA CA 560373 patent/CA1312189C/en not_active Expired - Lifetime
- 1988-03-03 GR GR880100126A patent/GR880100126A/el unknown
- 1988-03-04 HU HU882177A patent/HU206659B/hu not_active IP Right Cessation
- 1988-03-04 EP EP19880902751 patent/EP0306515B1/en not_active Expired - Lifetime
- 1988-03-04 DE DE1988902751 patent/DE306515T1/de active Pending
- 1988-03-04 MX MX1065788A patent/MX165279B/es unknown
- 1988-03-04 PT PT86907A patent/PT86907B/pt not_active IP Right Cessation
- 1988-03-04 YU YU44788A patent/YU46446B/sh unknown
- 1988-03-04 ES ES8800664A patent/ES2006353A6/es not_active Expired
- 1988-03-04 AU AU14845/88A patent/AU597210B2/en not_active Ceased
- 1988-03-04 AT AT88902751T patent/ATE117274T1/de active
- 1988-03-04 DE DE19883852801 patent/DE3852801T2/de not_active Expired - Lifetime
- 1988-03-04 WO PCT/US1988/000730 patent/WO1988006569A1/en active IP Right Grant
- 1988-03-04 JP JP50269088A patent/JP2817928B2/ja not_active Expired - Lifetime
- 1988-03-06 CN CN198888101838A patent/CN88101838A/zh active Pending
- 1988-03-07 PL PL1988271056A patent/PL152655B1/pl unknown
- 1988-03-07 DD DD88313479A patent/DD275186A5/de not_active IP Right Cessation
- 1988-11-04 FI FI885102A patent/FI88463C/fi not_active IP Right Cessation
-
1990
- 1990-10-31 CA CA 2029010 patent/CA2029010A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
CA1312189C (en) | 1993-01-05 |
FI885102A (fi) | 1988-11-04 |
PT86907B (pt) | 1995-03-01 |
AU597210B2 (en) | 1990-05-24 |
AU1484588A (en) | 1988-09-26 |
PT86907A (pt) | 1989-03-30 |
PL152655B1 (en) | 1991-01-31 |
HU206659B (en) | 1992-12-28 |
YU44788A (en) | 1989-12-31 |
YU46446B (sh) | 1993-10-20 |
PL271056A1 (en) | 1988-12-08 |
EP0306515A1 (en) | 1989-03-15 |
JPH01502889A (ja) | 1989-10-05 |
DE3852801T2 (de) | 1995-05-18 |
FI88463B (fi) | 1993-02-15 |
CA2029010A1 (en) | 1991-05-04 |
JP2817928B2 (ja) | 1998-10-30 |
CN88101838A (zh) | 1988-10-26 |
EP0306515A4 (en) | 1989-12-19 |
DD275186A5 (de) | 1990-01-17 |
DE306515T1 (de) | 1989-07-13 |
DE3852801D1 (de) | 1995-03-02 |
US4777024A (en) | 1988-10-11 |
HUT50310A (en) | 1990-01-29 |
EP0306515B1 (en) | 1995-01-18 |
ATE117274T1 (de) | 1995-02-15 |
GR880100126A (el) | 1989-01-31 |
FI885102A0 (fi) | 1988-11-04 |
FI88463C (fi) | 1993-05-25 |
MX165279B (es) | 1992-11-04 |
WO1988006569A1 (en) | 1988-09-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 20080305 |