JP4699232B2 - 排ガス浄化酸化触媒 - Google Patents
排ガス浄化酸化触媒 Download PDFInfo
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- JP4699232B2 JP4699232B2 JP2006036796A JP2006036796A JP4699232B2 JP 4699232 B2 JP4699232 B2 JP 4699232B2 JP 2006036796 A JP2006036796 A JP 2006036796A JP 2006036796 A JP2006036796 A JP 2006036796A JP 4699232 B2 JP4699232 B2 JP 4699232B2
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- Prior art keywords
- composite oxide
- exhaust gas
- carbon black
- ionic radius
- metal element
- 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
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- 238000007254 oxidation reaction Methods 0.000 title claims description 35
- 230000003647 oxidation Effects 0.000 title claims description 33
- 239000003054 catalyst Substances 0.000 title claims description 24
- 238000000746 purification Methods 0.000 title description 13
- 239000002131 composite material Substances 0.000 claims description 78
- 229910052751 metal Inorganic materials 0.000 claims description 44
- 239000002184 metal Substances 0.000 claims description 30
- 239000013078 crystal Substances 0.000 claims description 27
- 229910052691 Erbium Inorganic materials 0.000 claims description 6
- 229910052689 Holmium Inorganic materials 0.000 claims description 6
- 229910052765 Lutetium Inorganic materials 0.000 claims description 6
- 229910052775 Thulium Inorganic materials 0.000 claims description 6
- 229910052769 Ytterbium Inorganic materials 0.000 claims description 6
- 229910052706 scandium Inorganic materials 0.000 claims description 6
- 229910052727 yttrium Inorganic materials 0.000 claims description 6
- 239000006229 carbon black Substances 0.000 description 34
- 239000011572 manganese Substances 0.000 description 26
- 239000007789 gas Substances 0.000 description 24
- 238000002441 X-ray diffraction Methods 0.000 description 20
- 238000002485 combustion reaction Methods 0.000 description 18
- 239000000203 mixture Substances 0.000 description 17
- 230000000052 comparative effect Effects 0.000 description 15
- 150000002500 ions Chemical class 0.000 description 14
- 229910002651 NO3 Inorganic materials 0.000 description 13
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 13
- 238000002076 thermal analysis method Methods 0.000 description 11
- VQCBHWLJZDBHOS-UHFFFAOYSA-N erbium(iii) oxide Chemical compound O=[Er]O[Er]=O VQCBHWLJZDBHOS-UHFFFAOYSA-N 0.000 description 10
- 229910052748 manganese Inorganic materials 0.000 description 9
- 230000001590 oxidative effect Effects 0.000 description 7
- 238000009835 boiling Methods 0.000 description 5
- 125000005575 polycyclic aromatic hydrocarbon group Chemical group 0.000 description 5
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 4
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 4
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 239000004202 carbamide Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 229910021472 group 8 element Inorganic materials 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
- DBTMQFKUVICLQN-UHFFFAOYSA-K scandium(3+);triacetate Chemical compound [Sc+3].CC([O-])=O.CC([O-])=O.CC([O-])=O DBTMQFKUVICLQN-UHFFFAOYSA-K 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 125000004430 oxygen atom Chemical group O* 0.000 description 3
- -1 polycyclic aromatic compounds Chemical class 0.000 description 3
- 238000010298 pulverizing process Methods 0.000 description 3
- 239000012855 volatile organic compound Substances 0.000 description 3
- 229910052684 Cerium Inorganic materials 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical group [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 125000004429 atom Chemical group 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- RCFVMJKOEJFGTM-UHFFFAOYSA-N cerium zirconium Chemical compound [Zr].[Ce] RCFVMJKOEJFGTM-UHFFFAOYSA-N 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 229910052746 lanthanum Inorganic materials 0.000 description 2
- 229940071125 manganese acetate Drugs 0.000 description 2
- UOGMEBQRZBEZQT-UHFFFAOYSA-L manganese(2+);diacetate Chemical compound [Mn+2].CC([O-])=O.CC([O-])=O UOGMEBQRZBEZQT-UHFFFAOYSA-L 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229910052763 palladium Inorganic materials 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- ZIKATJAYWZUJPY-UHFFFAOYSA-N thulium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[Tm+3].[Tm+3] ZIKATJAYWZUJPY-UHFFFAOYSA-N 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910052692 Dysprosium Inorganic materials 0.000 description 1
- 229910012851 LiCoO 2 Inorganic materials 0.000 description 1
- 229910013290 LiNiO 2 Inorganic materials 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 description 1
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000003426 co-catalyst Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical group [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 229910052878 cordierite Inorganic materials 0.000 description 1
- JSKIRARMQDRGJZ-UHFFFAOYSA-N dimagnesium dioxido-bis[(1-oxido-3-oxo-2,4,6,8,9-pentaoxa-1,3-disila-5,7-dialuminabicyclo[3.3.1]nonan-7-yl)oxy]silane Chemical compound [Mg++].[Mg++].[O-][Si]([O-])(O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2)O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2 JSKIRARMQDRGJZ-UHFFFAOYSA-N 0.000 description 1
- 229910003440 dysprosium oxide Inorganic materials 0.000 description 1
- NLQFUUYNQFMIJW-UHFFFAOYSA-N dysprosium(iii) oxide Chemical compound O=[Dy]O[Dy]=O NLQFUUYNQFMIJW-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 1
- JLRJWBUSTKIQQH-UHFFFAOYSA-K lanthanum(3+);triacetate Chemical compound [La+3].CC([O-])=O.CC([O-])=O.CC([O-])=O JLRJWBUSTKIQQH-UHFFFAOYSA-K 0.000 description 1
- 229910003443 lutetium oxide Inorganic materials 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- BONORRGKLJBGRV-UHFFFAOYSA-N methapyrilene hydrochloride Chemical compound Cl.C=1C=CC=NC=1N(CCN(C)C)CC1=CC=CS1 BONORRGKLJBGRV-UHFFFAOYSA-N 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- NFSAPTWLWWYADB-UHFFFAOYSA-N n,n-dimethyl-1-phenylethane-1,2-diamine Chemical compound CN(C)C(CN)C1=CC=CC=C1 NFSAPTWLWWYADB-UHFFFAOYSA-N 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- MPARYNQUYZOBJM-UHFFFAOYSA-N oxo(oxolutetiooxy)lutetium Chemical compound O=[Lu]O[Lu]=O MPARYNQUYZOBJM-UHFFFAOYSA-N 0.000 description 1
- UZLYXNNZYFBAQO-UHFFFAOYSA-N oxygen(2-);ytterbium(3+) Chemical compound [O-2].[O-2].[O-2].[Yb+3].[Yb+3] UZLYXNNZYFBAQO-UHFFFAOYSA-N 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
- 229910003454 ytterbium oxide Inorganic materials 0.000 description 1
- 229940075624 ytterbium oxide Drugs 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Images
Classifications
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- 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/002—Mixed oxides other than spinels, e.g. perovskite
-
- 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
- B01D53/9445—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC]
- B01D53/945—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] characterised by a specific catalyst
-
- 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/10—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of rare earths
-
- 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/32—Manganese, technetium or rhenium
- B01J23/34—Manganese
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/206—Rare earth metals
-
- 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
- B01J2523/00—Constitutive chemical elements of heterogeneous catalysts
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Combustion & Propulsion (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Exhaust Gas After Treatment (AREA)
Description
〔比較例1〕
本比較例では、まず、スカンジウムの酢酸塩または硝酸塩に代えて、ランタンの酢酸塩または硝酸塩を用いた以外は、実施例1と全く同一にして複合酸化物を得た。
〔比較例2〕
本比較例では、まず、エルビウムの酸化物に代えて、ジスプロシウムの酸化物を用いた以外は、実施例4と全く同一にして複合酸化物を得た。
Claims (1)
- 2種類の金属元素を含む複合酸化物であって、
2種類の該金属元素をA,Bとするときに、前記金属元素Aは、Sc、Y、Ho、Er、Tm、Yb、Luからなる群から選択される1種の金属元素であり、前記金属元素BはMnであって、金属元素Aのイオン半径/金属元素Bのイオン半径の値が1.349〜1.580の範囲にあり、
前記複合酸化物は六方晶構造を備えることを特徴とする排ガス浄化酸化触媒。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006036796A JP4699232B2 (ja) | 2006-02-14 | 2006-02-14 | 排ガス浄化酸化触媒 |
US11/647,449 US20070191218A1 (en) | 2006-02-14 | 2006-12-29 | Oxidation catalyst for cleaning exhaust gas |
EP07000922A EP1820570B1 (en) | 2006-02-14 | 2007-01-17 | Use of a composite metal oxide as oxidation catalyst for cleaning exhaust gas |
DE602007000383T DE602007000383D1 (de) | 2006-02-14 | 2007-01-17 | Verwendung eines Metalloxides als Oxidationskatalysator zum Reinigen von Abgas |
US12/427,417 US7696126B2 (en) | 2006-02-14 | 2009-04-21 | Method of producing oxidation catalyst for cleaning exhaust gas |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006036796A JP4699232B2 (ja) | 2006-02-14 | 2006-02-14 | 排ガス浄化酸化触媒 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007216099A JP2007216099A (ja) | 2007-08-30 |
JP4699232B2 true JP4699232B2 (ja) | 2011-06-08 |
Family
ID=38017004
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006036796A Expired - Fee Related JP4699232B2 (ja) | 2006-02-14 | 2006-02-14 | 排ガス浄化酸化触媒 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20070191218A1 (ja) |
EP (1) | EP1820570B1 (ja) |
JP (1) | JP4699232B2 (ja) |
DE (1) | DE602007000383D1 (ja) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100680144B1 (ko) * | 2006-04-03 | 2007-02-08 | 재단법인서울대학교산학협력재단 | 다강체 막, 이를 포함하는 구조물, 및 상기 막 및 구조물의제조 방법 |
JP4689574B2 (ja) | 2006-10-20 | 2011-05-25 | 本田技研工業株式会社 | 排ガス浄化用酸化触媒 |
JP5558867B2 (ja) | 2010-03-05 | 2014-07-23 | 本田技研工業株式会社 | 排気浄化触媒 |
JP5864444B2 (ja) * | 2011-01-05 | 2016-02-17 | 本田技研工業株式会社 | 排気ガス浄化用触媒及び排気ガス浄化用触媒構成体 |
CN103429341B (zh) * | 2011-01-05 | 2017-12-05 | 本田技研工业株式会社 | 废气净化用催化剂 |
US8940447B2 (en) * | 2011-05-10 | 2015-01-27 | Honda Motor Co., Ltd. | Oxygen cell |
JP5204333B2 (ja) * | 2011-07-04 | 2013-06-05 | 本田技研工業株式会社 | 金属酸素電池 |
JP5202697B2 (ja) * | 2011-07-05 | 2013-06-05 | 本田技研工業株式会社 | 金属酸素電池 |
JP5204335B2 (ja) * | 2011-07-05 | 2013-06-05 | 本田技研工業株式会社 | 金属酸素電池 |
JP5398879B2 (ja) * | 2011-07-06 | 2014-01-29 | 本田技研工業株式会社 | 金属酸素電池 |
JP5204334B2 (ja) | 2011-07-06 | 2013-06-05 | 本田技研工業株式会社 | 金属酸素電池 |
JP2013051091A (ja) * | 2011-08-30 | 2013-03-14 | Honda Motor Co Ltd | 金属酸素電池 |
JP2014036949A (ja) * | 2012-07-18 | 2014-02-27 | Denso Corp | 大気浄化触媒及びその製造方法 |
CN103894176B (zh) * | 2014-04-01 | 2015-11-18 | 中国科学院生态环境研究中心 | 一种铈钛铝三元复合型微/纳米金属氧化物的制法和应用 |
WO2015159403A1 (ja) * | 2014-04-17 | 2015-10-22 | 三井金属鉱業株式会社 | 排気ガス浄化用触媒組成物及び排気ガス浄化触媒 |
WO2019194187A1 (ja) * | 2018-04-03 | 2019-10-10 | 三井金属鉱業株式会社 | 排ガス浄化触媒用材料及び排ガス浄化用触媒組成物並びに排ガス浄化触媒 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0199432U (ja) * | 1987-12-23 | 1989-07-04 | ||
JP2004262702A (ja) * | 2003-02-28 | 2004-09-24 | Toyota Motor Corp | 複合酸化物の製造方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4126580A (en) * | 1975-04-08 | 1978-11-21 | E. I. Du Pont De Nemours And Company | Stable perovskite catalysts |
TWI226377B (en) * | 2002-11-08 | 2005-01-11 | Ind Tech Res Inst | Dielectric material compositions |
JP2005066559A (ja) * | 2003-08-28 | 2005-03-17 | Mitsubishi Heavy Ind Ltd | 排ガス処理触媒および排ガス処理方法 |
US7250648B2 (en) * | 2003-09-04 | 2007-07-31 | Intematix Corporation | Ferroelectric rare-earth manganese-titanium oxides |
-
2006
- 2006-02-14 JP JP2006036796A patent/JP4699232B2/ja not_active Expired - Fee Related
- 2006-12-29 US US11/647,449 patent/US20070191218A1/en not_active Abandoned
-
2007
- 2007-01-17 EP EP07000922A patent/EP1820570B1/en not_active Not-in-force
- 2007-01-17 DE DE602007000383T patent/DE602007000383D1/de active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0199432U (ja) * | 1987-12-23 | 1989-07-04 | ||
JP2004262702A (ja) * | 2003-02-28 | 2004-09-24 | Toyota Motor Corp | 複合酸化物の製造方法 |
Also Published As
Publication number | Publication date |
---|---|
JP2007216099A (ja) | 2007-08-30 |
DE602007000383D1 (de) | 2009-02-05 |
US20070191218A1 (en) | 2007-08-16 |
EP1820570B1 (en) | 2008-12-24 |
EP1820570A1 (en) | 2007-08-22 |
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