KR100237260B1 - 디젤 배기장치에서 입자의 양 및 크기중 하나 이상을 감소시키기 위한 촉매의 용도 - Google Patents
디젤 배기장치에서 입자의 양 및 크기중 하나 이상을 감소시키기 위한 촉매의 용도 Download PDFInfo
- Publication number
- KR100237260B1 KR100237260B1 KR1019920002632A KR920002632A KR100237260B1 KR 100237260 B1 KR100237260 B1 KR 100237260B1 KR 1019920002632 A KR1019920002632 A KR 1019920002632A KR 920002632 A KR920002632 A KR 920002632A KR 100237260 B1 KR100237260 B1 KR 100237260B1
- Authority
- KR
- South Korea
- Prior art keywords
- zeolite
- exhaust gas
- particles
- amount
- diesel engine
- Prior art date
Links
- 239000002245 particle Substances 0.000 title claims abstract description 23
- 239000003054 catalyst Substances 0.000 title abstract description 18
- 239000010457 zeolite Substances 0.000 claims abstract description 53
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims abstract description 43
- 229910021536 Zeolite Inorganic materials 0.000 claims abstract description 40
- 230000002378 acidificating effect Effects 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims description 19
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 11
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 10
- 239000004071 soot Substances 0.000 claims description 9
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 229910052804 chromium Inorganic materials 0.000 claims description 4
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 4
- 150000002910 rare earth metals Chemical class 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000012013 faujasite Substances 0.000 claims description 3
- 229910052748 manganese Inorganic materials 0.000 claims description 3
- 229910052680 mordenite Inorganic materials 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 150000004945 aromatic hydrocarbons Chemical class 0.000 claims description 2
- 230000007704 transition Effects 0.000 claims description 2
- 229910052720 vanadium Inorganic materials 0.000 claims description 2
- 230000015556 catabolic process Effects 0.000 claims 1
- 238000006731 degradation reaction Methods 0.000 claims 1
- 230000000737 periodic effect Effects 0.000 claims 1
- 229930195733 hydrocarbon Natural products 0.000 description 14
- 150000002430 hydrocarbons Chemical class 0.000 description 14
- 239000007789 gas Substances 0.000 description 8
- -1 Transition metal cations Chemical class 0.000 description 5
- 150000001768 cations Chemical class 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 239000000377 silicon dioxide Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910000323 aluminium silicate Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 238000001354 calcination Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 229910052733 gallium Inorganic materials 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 229910052723 transition metal Inorganic materials 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 229910052684 Cerium Inorganic materials 0.000 description 1
- 229910003902 SiCl 4 Inorganic materials 0.000 description 1
- 229910004283 SiO 4 Inorganic materials 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- 229910052792 caesium Inorganic materials 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- LXPCOISGJFXEJE-UHFFFAOYSA-N oxifentorex Chemical compound C=1C=CC=CC=1C[N+](C)([O-])C(C)CC1=CC=CC=C1 LXPCOISGJFXEJE-UHFFFAOYSA-N 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 229910052702 rhenium Inorganic materials 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 229910052701 rubidium Inorganic materials 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J29/061—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof containing metallic elements added to the zeolite
-
- 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
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust 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
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
- B01D53/944—Simultaneously removing carbon monoxide, hydrocarbons or carbon making use of oxidation catalysts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B3/00—Engines characterised by air compression and subsequent fuel addition
- F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Combustion & Propulsion (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Processes For Solid Components From Exhaust (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
Description
Claims (13)
- 작동 동력 및 매연 입자를 함유하는 배기 가스를 생성하는 디젤 엔진의 작동에 있어서, 배기 가스를 산성 특성을 갖는 제올라이트와 접촉시킴으로써 매연 입자의 크기 및 양 중 하나 이상을 감소시킴을 특징으로 하는 방법.
- 제1항에 있어서, 제올라이트가 장쇄 및 방향족 탄화수소에 대한 분해 특성을 갖는 방법.
- 제1항에 있어서, 제올라이트가 파우자사이트(faujasite) 유형인 방법.
- 제1항에 있어서, 제올라이트가 탈알루미늄 파우자사이트인 방법.
- 제1항에 있어서, 제올라이트가 펜타실(pentasil) 유형인 방법.
- 제5항에 있어서, 제올라이트의 Al2O3에 대한 SiO2의 비율이 25 내지 2000인 방법.
- 제1항에 있어서, 제올라이트가 모르데나이트(mordenite) 유형인 방법.
- 제1항에 있어서, 제올라이트가 탈알루미늄 모르데나이트인 방법.
- 제1항에 있어서, 제올라이트가 원소 주기율표의 제2주족 원소 및 희토류 금속으로 이루어진 그룹으로부터 선택된 원소를 하나 이상 함유하는 방법.
- 제1항에 있어서, 제올라이트가 전이 원소를 하나 이상 함유하는 방법.
- 제1항에 있어서, 제올라이트가 Cu, Ni, Co, Fe, Cr, Mn 및 V로 이루어진 그룹으로부터 선택된 원소를 하나 이상 함유하는 방법.
- 제1항에 있어서, 제올라이트가 Cu를 함유하는 방법.
- 디젤 엔진, 디젤 엔진 작동시 생성된 배기 가스용 파이프, 및 대기에 배기시 배기 가스가 접촉되도록 배치된 산성특성을 갖는 제올라이트의 조합물.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4105534A DE4105534C2 (de) | 1991-02-22 | 1991-02-22 | Verwendung eines Katalysators zur Verringerung der Partikelmenge und/oder -größe im Dieselabgas |
DEP4105534.9 | 1991-02-22 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR920016132A KR920016132A (ko) | 1992-09-24 |
KR100237260B1 true KR100237260B1 (ko) | 2000-01-15 |
Family
ID=6425628
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019920002632A KR100237260B1 (ko) | 1991-02-22 | 1992-02-21 | 디젤 배기장치에서 입자의 양 및 크기중 하나 이상을 감소시키기 위한 촉매의 용도 |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0499931B1 (ko) |
JP (1) | JP3478402B2 (ko) |
KR (1) | KR100237260B1 (ko) |
DE (2) | DE4105534C2 (ko) |
ES (1) | ES2075490T3 (ko) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2736099B2 (ja) * | 1989-02-06 | 1998-04-02 | 株式会社日本触媒 | ディーゼルエンジン排ガス浄化用触媒 |
DE4226111A1 (de) * | 1992-08-07 | 1994-02-10 | Bayer Ag | Verwendung eines Katalysators zur Verringerung der Partikelmenge und/oder -größe im Dieselabgas |
DE4226112B4 (de) * | 1992-08-07 | 2006-01-12 | Engelhard Corp. | Verwendung eines Katalysators zur Verringerung der Partikelmenge und/oder -größe im Dieselabgas |
DE4229471A1 (de) * | 1992-09-03 | 1994-03-10 | Man Nutzfahrzeuge Ag | Verfahren zur Reinigung der Abgase von Dieselmotoren |
US6248684B1 (en) | 1992-11-19 | 2001-06-19 | Englehard Corporation | Zeolite-containing oxidation catalyst and method of use |
US5804155A (en) * | 1992-11-19 | 1998-09-08 | Engelhard Corporation | Basic zeolites as hydrocarbon traps for diesel oxidation catalysts |
DE4244613C2 (de) * | 1992-12-31 | 1995-12-21 | Eberspaecher J | Abgasbehandlungsvorrichtung für Abgasanlagen von Kraftfahrzeugen |
CA2159317A1 (en) * | 1993-03-29 | 1994-10-13 | Bulent O. Yavuz | Improved zeolite-containing oxidation catalyst and method of use |
ZA963235B (en) * | 1995-06-15 | 1996-10-25 | Engelhard Corp | Diesel exhaust stream treating catalyst and method of use |
EP0775518A3 (de) * | 1995-11-22 | 1997-08-06 | Degussa | Siliciumreicher Zeolith |
EP1016447B1 (en) * | 1997-04-23 | 2007-10-17 | Toyota Jidosha Kabushiki Kaisha | Exhaust gas purification method |
US6093378A (en) * | 1997-05-07 | 2000-07-25 | Engelhard Corporation | Four-way diesel exhaust catalyst and method of use |
US6520287B2 (en) | 1997-12-04 | 2003-02-18 | Maganas Oh Radicals, Inc. | Methods and systems for low temperature cleaning of diesel exhaust and other incomplete combustion products of carbon-containing fuels |
US6962681B2 (en) | 1997-12-04 | 2005-11-08 | Maganas Oh Radicals, Inc. | Methods and systems for reducing or eliminating the production of pollutants during combustion of carbon-containing fuels |
ES2222527T3 (es) | 1997-12-10 | 2005-02-01 | Ab Volvo | Material poroso, metodo y disposicion para la conversion catalitica de gases de escape. |
US6074973A (en) * | 1998-03-20 | 2000-06-13 | Engelhard Corporation | Catalyzed hydrocarbon trap material and method of making the same |
EP1196234B1 (en) | 1999-07-02 | 2007-04-18 | Engelhard Corporation | Catalyst system for treating diesel engine exhaust gases and method |
AU1467201A (en) | 1999-11-10 | 2001-06-06 | Engelhard Corporation | Method and apparatus to provide reductant for NOx |
ES2182721B1 (es) * | 2001-07-27 | 2004-01-16 | Univ Valencia Politecnica | Un sistema catalitico para disminuir emisiones de compuestos organicos volatiles en gases de combustion. |
ATE496682T1 (de) | 2001-09-28 | 2011-02-15 | Volvo Technology Corp | Poröser katalysator, verfahren und anordnung zur katalytischen konversion von abgasen |
US7509798B2 (en) | 2004-10-27 | 2009-03-31 | Maganas Thomas C | Methods and systems for safely operating a diesel engine in a methane-rich environment |
US8119075B2 (en) | 2005-11-10 | 2012-02-21 | Basf Corporation | Diesel particulate filters having ultra-thin catalyzed oxidation coatings |
US8283512B1 (en) | 2011-10-05 | 2012-10-09 | Maganas Thomas C | Method and system for enhanced energy production from transforming, reducing and eliminating organic material and medical wastes |
US8512215B2 (en) | 2011-10-05 | 2013-08-20 | Thomas C. Maganas | Method for enhanced energy production from transforming, reducing and eliminating organic material and medical waste |
US8512644B1 (en) | 2012-08-01 | 2013-08-20 | Thomas C. Maganas | System for transforming organic waste materials into thermal energy and electric power |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02126941A (ja) * | 1988-11-07 | 1990-05-15 | Toyota Motor Corp | 排気ガス浄化用触媒 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4352853A (en) * | 1981-03-17 | 1982-10-05 | Mitsubishi Denki Kabushiki Kaisha | Sound absorber |
DE3642018A1 (de) * | 1985-12-21 | 1987-06-25 | Volkswagen Ag | Verfahren und vorrichtung zur reduktion von stickoxiden |
DE3716446A1 (de) * | 1987-05-16 | 1988-12-01 | Dornier System Gmbh | Katalytisches dieselruss-filter |
CN1004878B (zh) * | 1987-08-08 | 1989-07-26 | 中国石油化工总公司 | 制取低碳烯烃的烃类催化转化方法 |
JPH01159029A (ja) * | 1987-12-16 | 1989-06-22 | Toyota Motor Corp | ディーゼルエンジンの排気浄化装置 |
CA2024154C (en) * | 1989-08-31 | 1995-02-14 | Senshi Kasahara | Catalyst for reducing nitrogen oxides from exhaust gas |
DE3940758A1 (de) * | 1989-12-09 | 1991-06-13 | Degussa | Verfahren zur reinigung der abgase von dieselmotoren |
EP0434063B1 (en) * | 1989-12-21 | 1997-03-12 | Toyota Jidosha Kabushiki Kaisha | Method of purifying oxygen-excess exhaust gas |
JP3061399B2 (ja) * | 1990-06-20 | 2000-07-10 | 株式会社日本触媒 | ディーゼルエンジン排ガス浄化用触媒および浄化方法 |
-
1991
- 1991-02-22 DE DE4105534A patent/DE4105534C2/de not_active Expired - Lifetime
-
1992
- 1992-02-10 EP EP92102161A patent/EP0499931B1/de not_active Expired - Lifetime
- 1992-02-10 DE DE59202574T patent/DE59202574D1/de not_active Expired - Lifetime
- 1992-02-10 ES ES92102161T patent/ES2075490T3/es not_active Expired - Lifetime
- 1992-02-18 JP JP06103892A patent/JP3478402B2/ja not_active Expired - Fee Related
- 1992-02-21 KR KR1019920002632A patent/KR100237260B1/ko not_active IP Right Cessation
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02126941A (ja) * | 1988-11-07 | 1990-05-15 | Toyota Motor Corp | 排気ガス浄化用触媒 |
Also Published As
Publication number | Publication date |
---|---|
DE4105534A1 (de) | 1992-08-27 |
JPH05115752A (ja) | 1993-05-14 |
DE4105534C2 (de) | 1994-12-22 |
EP0499931B1 (de) | 1995-06-21 |
ES2075490T3 (es) | 1995-10-01 |
JP3478402B2 (ja) | 2003-12-15 |
DE59202574D1 (de) | 1995-07-27 |
KR920016132A (ko) | 1992-09-24 |
EP0499931A1 (de) | 1992-08-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR100237260B1 (ko) | 디젤 배기장치에서 입자의 양 및 크기중 하나 이상을 감소시키기 위한 촉매의 용도 | |
US5443803A (en) | Catalyst for purifying exhaust gas | |
US6033641A (en) | Catalyst for purifying the exhaust gas from the combustion in an engine or gas turbines and method of making and using the same | |
JPH11114413A (ja) | 排ガス浄化用吸着材 | |
US20030202926A1 (en) | Use of a catalyst for reducing the quantity and/or size of particulates in diesel exhaust | |
JPH06182157A (ja) | デイーゼル排気ガス中の粒子の量および/またはサイズを小さくする触媒の使用 | |
US20040067184A1 (en) | Use of a catalyst for reducing the quantity and/or size of particles in diesel exhaust | |
US20020028169A1 (en) | Use of a catalyst for reducing the quantity and/or size of particulates in diesel exhaust | |
US20020114751A1 (en) | Use of a catalyst for reducing the quantity and/or size of particulates in diesel exhaust | |
JPH078754A (ja) | 排ガス浄化方法 | |
JP3110921B2 (ja) | 排ガス浄化用触媒及びこれを使用した排ガスの浄化方法 | |
JP4105302B2 (ja) | 排気ガス浄化用触媒の製造方法 | |
JPH06126184A (ja) | 排ガス浄化用触媒及びこれを使用した排ガスの浄化方法 | |
JP3395220B2 (ja) | 窒素酸化物の除去方法 | |
JP3511637B2 (ja) | 排ガス浄化方法 | |
KR20240159854A (ko) | N2o 환원을 위한 구리 및 망간 함유 캐버자이트 scr 촉매 | |
JPH04244235A (ja) | 排ガス浄化用触媒及びこれを使用した排ガスの浄化方法 | |
JPH07251077A (ja) | NOx含有排ガス浄化用触媒の製造法 | |
JPH0780316A (ja) | 排ガス浄化触媒および窒素酸化物の浄化方法 | |
JPH0760064A (ja) | 窒素酸化物除去方法 | |
JPH04271843A (ja) | 排気ガス浄化用触媒の製造方法 | |
JPH06312139A (ja) | 排ガス浄化触媒および窒素酸化物の浄化方法 | |
JPH06170168A (ja) | 窒素酸化物の除去方法 | |
JPH06320007A (ja) | 排ガス浄化触媒および窒素酸化物の浄化方法 | |
JPH06269675A (ja) | 排ガス浄化用触媒および窒素酸化物の浄化方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19920221 |
|
PG1501 | Laying open of application | ||
A201 | Request for examination | ||
PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 19970219 Comment text: Request for Examination of Application Patent event code: PA02011R01I Patent event date: 19920221 Comment text: Patent Application |
|
N231 | Notification of change of applicant | ||
PN2301 | Change of applicant |
Patent event date: 19970912 Comment text: Notification of Change of Applicant Patent event code: PN23011R01D |
|
E902 | Notification of reason for refusal | ||
PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 19990128 Patent event code: PE09021S01D |
|
E701 | Decision to grant or registration of patent right | ||
PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 19990719 |
|
GRNT | Written decision to grant | ||
PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 19991007 Patent event code: PR07011E01D |
|
PR1002 | Payment of registration fee |
Payment date: 19991008 End annual number: 3 Start annual number: 1 |
|
PG1601 | Publication of registration | ||
PR1001 | Payment of annual fee |
Payment date: 20021002 Start annual number: 4 End annual number: 4 |
|
PR1001 | Payment of annual fee |
Payment date: 20030926 Start annual number: 5 End annual number: 5 |
|
PR1001 | Payment of annual fee |
Payment date: 20041005 Start annual number: 6 End annual number: 6 |
|
PR1001 | Payment of annual fee |
Payment date: 20050930 Start annual number: 7 End annual number: 7 |
|
PR1001 | Payment of annual fee |
Payment date: 20060929 Start annual number: 8 End annual number: 8 |
|
PR1001 | Payment of annual fee |
Payment date: 20071005 Start annual number: 9 End annual number: 9 |
|
PR1001 | Payment of annual fee |
Payment date: 20081002 Start annual number: 10 End annual number: 10 |
|
FPAY | Annual fee payment |
Payment date: 20090925 Year of fee payment: 11 |
|
PR1001 | Payment of annual fee |
Payment date: 20090925 Start annual number: 11 End annual number: 11 |
|
LAPS | Lapse due to unpaid annual fee | ||
PC1903 | Unpaid annual fee |
Termination category: Default of registration fee Termination date: 20110910 |