US20090151341A1 - Apparatus for reducing nitrogen oxide contained in exhaust gas - Google Patents

Apparatus for reducing nitrogen oxide contained in exhaust gas Download PDF

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Publication number
US20090151341A1
US20090151341A1 US12/208,889 US20888908A US2009151341A1 US 20090151341 A1 US20090151341 A1 US 20090151341A1 US 20888908 A US20888908 A US 20888908A US 2009151341 A1 US2009151341 A1 US 2009151341A1
Authority
US
United States
Prior art keywords
doc
cpf
exhaust gas
scr
exhaust
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.)
Abandoned
Application number
US12/208,889
Other languages
English (en)
Inventor
Chang Dae Kim
Jin Ha Lee
Ji Ho Cho
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.)
Hyundai Motor Co
Kia Corp
Original Assignee
Hyundai Motor Co
Kia Motors 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
Priority to KR1020070131563A priority Critical patent/KR100999616B1/ko
Priority to KR10-2007-0131563 priority
Application filed by Hyundai Motor Co, Kia Motors Corp filed Critical Hyundai Motor Co
Assigned to HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION reassignment HYUNDAI MOTOR COMPANY ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: CHO, JI HO, KIM, CHANG DAE, LEE, JIN HA
Publication of US20090151341A1 publication Critical patent/US20090151341A1/en
Abandoned legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/20Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
    • F01N3/2066Selective catalytic reduction [SCR]
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/92Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/944Simultaneously removing carbon monoxide, hydrocarbons or carbon making use of oxidation catalysts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/92Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9459Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts
    • B01D53/9477Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts with catalysts positioned on separate bricks, e.g. exhaust systems
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/02Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
    • F01N3/033Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices
    • F01N3/035Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices with catalytic reactors, e.g. catalysed diesel particulate filters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/20Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
    • F01N3/2066Selective catalytic reduction [SCR]
    • F01N3/2073Selective catalytic reduction [SCR] with means for generating a reducing substance from the exhaust gases
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2251/00Reactants
    • B01D2251/20Reductants
    • B01D2251/206Ammonium compounds
    • B01D2251/2067Urea
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/10Noble metals or compounds thereof
    • B01D2255/102Platinum group metals
    • B01D2255/1021Platinum
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/10Noble metals or compounds thereof
    • B01D2255/102Platinum group metals
    • B01D2255/1023Palladium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/20Metals or compounds thereof
    • B01D2255/207Transition metals
    • B01D2255/20738Iron
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/50Zeolites
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/90Physical characteristics of catalysts
    • B01D2255/915Catalyst supported on particulate filters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2258/00Sources of waste gases
    • B01D2258/01Engine exhaust gases
    • B01D2258/012Diesel engines and lean burn gasoline engines
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/92Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9404Removing only nitrogen compounds
    • B01D53/9409Nitrogen oxides
    • B01D53/9413Processes characterised by a specific catalyst
    • B01D53/9418Processes characterised by a specific catalyst for removing nitrogen oxides by selective catalytic reduction [SCR] using a reducing agent in a lean exhaust gas
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J29/00Catalysts comprising molecular sieves
    • B01J29/04Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/064Crystalline aluminosilicate zeolites; Isomorphous compounds thereof containing iron group metals, noble metals or copper
    • B01J29/072Iron group metals or copper
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2250/00Combinations of different methods of purification
    • F01N2250/02Combinations of different methods of purification filtering and catalytic conversion
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2570/00Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
    • F01N2570/14Nitrogen oxides
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2610/00Adding substances to exhaust gases
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/12Improving ICE efficiencies
US12/208,889 2007-12-14 2008-09-11 Apparatus for reducing nitrogen oxide contained in exhaust gas Abandoned US20090151341A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1020070131563A KR100999616B1 (ko) 2007-12-14 2007-12-14 배기 가스 내의 질소산화물 저감 장치
KR10-2007-0131563 2007-12-14

Publications (1)

Publication Number Publication Date
US20090151341A1 true US20090151341A1 (en) 2009-06-18

Family

ID=40680193

Family Applications (1)

Application Number Title Priority Date Filing Date
US12/208,889 Abandoned US20090151341A1 (en) 2007-12-14 2008-09-11 Apparatus for reducing nitrogen oxide contained in exhaust gas

Country Status (3)

Country Link
US (1) US20090151341A1 (de)
KR (1) KR100999616B1 (de)
DE (1) DE102008040000B4 (de)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090158719A1 (en) * 2007-12-12 2009-06-25 Basf Catalysts Llc Emission Treatment System
US20100290964A1 (en) * 2009-05-18 2010-11-18 Southward Barry W L HIGH Pd CONTENT DIESEL OXIDATION CATALYSTS WITH IMPROVED HYDROTHERMAL DURABILITY
US20110099975A1 (en) * 2009-11-03 2011-05-05 Owen Herman Bailey Architectural diesel oxidation catalyst for enhanced no2 generator
US20110120093A1 (en) * 2008-04-24 2011-05-26 Stephan Eckhoff Process and apparatus for purifying exhaust gases from an internal combustion engine
WO2013027867A3 (en) * 2011-08-24 2013-04-18 Kabushiki Kaisha Toyota Jidoshokki Exhaust gas purification catalyst
US8745974B2 (en) 2012-01-31 2014-06-10 Caterpillar Inc. Exhaust system
CN106168153A (zh) * 2015-05-18 2016-11-30 福特环球技术公司 排放物减少系统
US9993771B2 (en) 2007-12-12 2018-06-12 Basf Corporation Emission treatment catalysts, systems and methods
EP2651540B1 (de) 2010-12-14 2019-05-22 Umicore AG & Co. KG Architektonischer dieseloxidationskatalysator für verbesserten no2-generator

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2703077A4 (de) * 2011-04-28 2014-11-05 N E Chemcat Corp Abgasreinigungsvorrichtung

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030113249A1 (en) * 2001-12-18 2003-06-19 Hepburn Jeffrey Scott System and method for removing SOx and particulate matter from an emission control device
US20050056004A1 (en) * 2000-08-15 2005-03-17 Engelhard Corporation Exhaust system for enhanced reduction of nitrogen oxides and particulates from diesel engines
US20070175208A1 (en) * 2003-01-02 2007-08-02 Daimlerchrysler Ag Exhaust Gas Aftertreatment Installation and Method
US20080045405A1 (en) * 2006-06-09 2008-02-21 Tilman Wolfram Beutel Pt-Pd diesel oxidation catalyst with CO/HC light-off and HC storage function
US20080141661A1 (en) * 2006-12-01 2008-06-19 Kenneth Voss Zone Coated Filter, Emission Treatment Systems and Methods
US20090019831A1 (en) * 2007-07-19 2009-01-22 Achim Karl-Erich Heibel Regeneration method for ceramic honeycomb structures
US20090056310A1 (en) * 2007-08-29 2009-03-05 Ford Global Technologies, Llc Multi-Stage Regeneration of Particulate Filter

Family Cites Families (6)

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DE10020100A1 (de) * 2000-04-22 2001-10-31 Dmc2 Degussa Metals Catalysts Verfahren und Katalysator zur Reduktion von Stickoxiden
US6813884B2 (en) * 2002-01-29 2004-11-09 Ford Global Technologies, Llc Method of treating diesel exhaust gases
GB0220645D0 (en) 2002-09-05 2002-10-16 Johnson Matthey Plc Exhaust system for a lean burn ic engine
GB2406803A (en) * 2004-11-23 2005-04-13 Johnson Matthey Plc Exhaust system comprising exotherm-generating catalyst
DE102005013707A1 (de) * 2005-03-24 2006-09-28 Daimlerchrysler Ag Kraftfahrzeug mit Brennkraftmaschine und Verfahren zum Betreiben einer Brennkraftmaschine
KR100680184B1 (ko) 2005-07-06 2007-02-07 희성엥겔하드주식회사 디젤엔진 매연여과장치용 필터

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050056004A1 (en) * 2000-08-15 2005-03-17 Engelhard Corporation Exhaust system for enhanced reduction of nitrogen oxides and particulates from diesel engines
US20030113249A1 (en) * 2001-12-18 2003-06-19 Hepburn Jeffrey Scott System and method for removing SOx and particulate matter from an emission control device
US20070175208A1 (en) * 2003-01-02 2007-08-02 Daimlerchrysler Ag Exhaust Gas Aftertreatment Installation and Method
US20080045405A1 (en) * 2006-06-09 2008-02-21 Tilman Wolfram Beutel Pt-Pd diesel oxidation catalyst with CO/HC light-off and HC storage function
US20080141661A1 (en) * 2006-12-01 2008-06-19 Kenneth Voss Zone Coated Filter, Emission Treatment Systems and Methods
US20090019831A1 (en) * 2007-07-19 2009-01-22 Achim Karl-Erich Heibel Regeneration method for ceramic honeycomb structures
US20090056310A1 (en) * 2007-08-29 2009-03-05 Ford Global Technologies, Llc Multi-Stage Regeneration of Particulate Filter

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090158719A1 (en) * 2007-12-12 2009-06-25 Basf Catalysts Llc Emission Treatment System
US9863297B2 (en) * 2007-12-12 2018-01-09 Basf Corporation Emission treatment system
US9993771B2 (en) 2007-12-12 2018-06-12 Basf Corporation Emission treatment catalysts, systems and methods
US20110120093A1 (en) * 2008-04-24 2011-05-26 Stephan Eckhoff Process and apparatus for purifying exhaust gases from an internal combustion engine
US20100290964A1 (en) * 2009-05-18 2010-11-18 Southward Barry W L HIGH Pd CONTENT DIESEL OXIDATION CATALYSTS WITH IMPROVED HYDROTHERMAL DURABILITY
US8246923B2 (en) 2009-05-18 2012-08-21 Umicore Ag & Co. Kg High Pd content diesel oxidation catalysts with improved hydrothermal durability
US20110099975A1 (en) * 2009-11-03 2011-05-05 Owen Herman Bailey Architectural diesel oxidation catalyst for enhanced no2 generator
US8557203B2 (en) 2009-11-03 2013-10-15 Umicore Ag & Co. Kg Architectural diesel oxidation catalyst for enhanced NO2 generator
EP2651540B1 (de) 2010-12-14 2019-05-22 Umicore AG & Co. KG Architektonischer dieseloxidationskatalysator für verbesserten no2-generator
WO2013027867A3 (en) * 2011-08-24 2013-04-18 Kabushiki Kaisha Toyota Jidoshokki Exhaust gas purification catalyst
US8745974B2 (en) 2012-01-31 2014-06-10 Caterpillar Inc. Exhaust system
CN106168153A (zh) * 2015-05-18 2016-11-30 福特环球技术公司 排放物减少系统

Also Published As

Publication number Publication date
KR100999616B1 (ko) 2010-12-08
KR20090064008A (ko) 2009-06-18
DE102008040000B4 (de) 2015-09-24
DE102008040000A1 (de) 2009-06-18

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AS Assignment

Owner name: KIA MOTORS CORPORATION, KOREA, REPUBLIC OF

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:KIM, CHANG DAE;LEE, JIN HA;CHO, JI HO;REEL/FRAME:021516/0934

Effective date: 20080804

Owner name: HYUNDAI MOTOR COMPANY, KOREA, REPUBLIC OF

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:KIM, CHANG DAE;LEE, JIN HA;CHO, JI HO;REEL/FRAME:021516/0934

Effective date: 20080804

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION