CN1114487C - 一种具有高热稳定性的储氧材料及一种制备该材料的方法 - Google Patents
一种具有高热稳定性的储氧材料及一种制备该材料的方法 Download PDFInfo
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- CN1114487C CN1114487C CN98108256A CN98108256A CN1114487C CN 1114487 C CN1114487 C CN 1114487C CN 98108256 A CN98108256 A CN 98108256A CN 98108256 A CN98108256 A CN 98108256A CN 1114487 C CN1114487 C CN 1114487C
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- Prior art keywords
- oxide
- hydrogen
- storing material
- cerium oxide
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- 238000000034 method Methods 0.000 title claims description 40
- 239000011232 storage material Substances 0.000 title 1
- 229910000420 cerium oxide Inorganic materials 0.000 claims abstract description 68
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 claims abstract description 68
- 239000000463 material Substances 0.000 claims abstract description 64
- 239000003381 stabilizer Substances 0.000 claims abstract description 38
- 238000001354 calcination Methods 0.000 claims abstract description 25
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000001301 oxygen Substances 0.000 claims abstract description 23
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 23
- MMKQUGHLEMYQSG-UHFFFAOYSA-N oxygen(2-);praseodymium(3+) Chemical compound [O-2].[O-2].[O-2].[Pr+3].[Pr+3] MMKQUGHLEMYQSG-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910003447 praseodymium oxide Inorganic materials 0.000 claims abstract description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 6
- MRELNEQAGSRDBK-UHFFFAOYSA-N lanthanum(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[La+3].[La+3] MRELNEQAGSRDBK-UHFFFAOYSA-N 0.000 claims abstract description 6
- PLDDOISOJJCEMH-UHFFFAOYSA-N neodymium(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Nd+3].[Nd+3] PLDDOISOJJCEMH-UHFFFAOYSA-N 0.000 claims abstract description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 3
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 3
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims abstract description 3
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 52
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 33
- 239000003054 catalyst Substances 0.000 claims description 25
- 239000002243 precursor Substances 0.000 claims description 22
- 229910052684 Cerium Inorganic materials 0.000 claims description 19
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 claims description 19
- 239000006185 dispersion Substances 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 238000003860 storage Methods 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 15
- 229910001868 water Inorganic materials 0.000 claims description 15
- 239000013078 crystal Substances 0.000 claims description 11
- 239000007789 gas Substances 0.000 claims description 9
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 239000003513 alkali Substances 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 238000012545 processing Methods 0.000 claims description 2
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 abstract description 2
- 229910001928 zirconium oxide Inorganic materials 0.000 abstract description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 abstract 1
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 abstract 1
- 235000012239 silicon dioxide Nutrition 0.000 abstract 1
- 239000000843 powder Substances 0.000 description 51
- 238000001556 precipitation Methods 0.000 description 25
- 239000000243 solution Substances 0.000 description 21
- 150000001875 compounds Chemical group 0.000 description 19
- 238000007598 dipping method Methods 0.000 description 19
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 18
- 239000011148 porous material Substances 0.000 description 15
- 230000008569 process Effects 0.000 description 15
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 14
- 238000000576 coating method Methods 0.000 description 12
- 239000000446 fuel Substances 0.000 description 12
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- 238000002347 injection Methods 0.000 description 11
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- 239000000126 substance Substances 0.000 description 10
- 239000002912 waste gas Substances 0.000 description 10
- HSJPMRKMPBAUAU-UHFFFAOYSA-N cerium(3+);trinitrate Chemical compound [Ce+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O HSJPMRKMPBAUAU-UHFFFAOYSA-N 0.000 description 9
- 230000032683 aging Effects 0.000 description 8
- 229910002091 carbon monoxide Inorganic materials 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 8
- YWECOPREQNXXBZ-UHFFFAOYSA-N praseodymium(3+);trinitrate Chemical compound [Pr+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O YWECOPREQNXXBZ-UHFFFAOYSA-N 0.000 description 8
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 7
- 229910021529 ammonia Inorganic materials 0.000 description 7
- 238000000975 co-precipitation Methods 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 238000001035 drying Methods 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 239000002904 solvent Substances 0.000 description 5
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 4
- 238000010790 dilution Methods 0.000 description 4
- 239000012895 dilution Substances 0.000 description 4
- 239000002244 precipitate Substances 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- OERNJTNJEZOPIA-UHFFFAOYSA-N zirconium nitrate Chemical compound [Zr+4].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O OERNJTNJEZOPIA-UHFFFAOYSA-N 0.000 description 4
- 206010013786 Dry skin Diseases 0.000 description 3
- 229910052777 Praseodymium Inorganic materials 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 230000014509 gene expression Effects 0.000 description 3
- 229930195733 hydrocarbon Natural products 0.000 description 3
- 150000002430 hydrocarbons Chemical class 0.000 description 3
- 238000001802 infusion Methods 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- PUDIUYLPXJFUGB-UHFFFAOYSA-N praseodymium atom Chemical compound [Pr] PUDIUYLPXJFUGB-UHFFFAOYSA-N 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 150000000703 Cerium Chemical class 0.000 description 2
- 238000007445 Chromatographic isolation Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000002441 X-ray diffraction Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000012876 carrier material Substances 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 description 2
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000009388 chemical precipitation Methods 0.000 description 2
- 239000008199 coating composition Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical compound [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 150000002927 oxygen compounds Chemical class 0.000 description 2
- 229910052763 palladium Inorganic materials 0.000 description 2
- 239000006104 solid solution Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 229910052727 yttrium Inorganic materials 0.000 description 2
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 2
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 238000006424 Flood reaction Methods 0.000 description 1
- 101001031591 Mus musculus Heart- and neural crest derivatives-expressed protein 2 Proteins 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- CAGZNTXUZUOERQ-UHFFFAOYSA-N [O-2].O.[Ce+3] Chemical compound [O-2].O.[Ce+3] CAGZNTXUZUOERQ-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 159000000007 calcium salts Chemical class 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- RCFVMJKOEJFGTM-UHFFFAOYSA-N cerium zirconium Chemical compound [Zr].[Ce] RCFVMJKOEJFGTM-UHFFFAOYSA-N 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 229940125898 compound 5 Drugs 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 229910052878 cordierite Inorganic materials 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000010586 diagram Methods 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
- 238000009826 distribution Methods 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000008676 import Effects 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
- 238000013507 mapping Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 description 1
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- GPNDARIEYHPYAY-UHFFFAOYSA-N palladium(ii) nitrate Chemical compound [Pd+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O GPNDARIEYHPYAY-UHFFFAOYSA-N 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000002572 peristaltic effect Effects 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical group [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 1
- KPXRPRLCONABEG-UHFFFAOYSA-K praseodymium acetate Chemical compound [Pr+3].CC([O-])=O.CC([O-])=O.CC([O-])=O KPXRPRLCONABEG-UHFFFAOYSA-K 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
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- 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)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Analytical Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Chemical & Material Sciences (AREA)
- Biomedical Technology (AREA)
- Health & Medical Sciences (AREA)
- Combustion & Propulsion (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
Abstract
Description
粉末 | 组成 | BET表面积(m2/g) | 颗粒大小d50(um) |
A | CeO2/ZrO2 70/30 | 60 | 30 |
E | ZrO2 | 100 | 10 |
粉末 | 组成 | 制备方法 |
A | CeO2/ZrO270/30 | 载体物质,纯的混合氧化物 |
B | CeO2/ZrO2/Pr6O1166.5/28.5/5 | 粉末A+用硝酸镨进行的孔容浸渍 |
C | CeO2/ZrO2/Pr6O1166.5/28.5/5 | 硝酸铈、硝酸锆和硝酸镨的共沉淀 |
D | CeO2/ZrO2/Pr6O1166.5/28.5/5 | 粉末A+乙酸镨的均匀沉淀 |
E | ZrO2 | 载体物质,纯氧化锆 |
F | ZrO2/CeO2 | 粉末E+硝酸铈的孔容浸渍 |
G | ZrO2/CeO2 | 粉末E+硝酸铈的均匀沉淀 |
H | ZrO2/CeO2/Pr6O1179/19/2 | 粉末E+硝酸铈和硝酸镨的孔容浸渍 |
I | ZrO2/CeO2/Pr6O1179/19/2 | 粉末E+硝酸铈和硝酸镨均匀沉淀 |
粉末 | BET表面积(m2/g) | 方法 |
ABCDEFGHI | 344221461429343947 | 纯的混合氧化物孔容浸渍共沉淀均匀沉淀纯的氧化锆孔容浸渍均匀沉淀孔容浸渍均匀沉淀 |
粉末 | 新鲜状态中ZrO2晶体大小(nm) | 老化后ZrO2晶体大小(nm) |
FGHI | 35.119.423.823.1 | 40.240.829.325.1 |
催化剂 | COT50(℃) | CHT50(℃) | NOXT50(℃) | CO/NOX(%) |
A | 336 | 336 | 317 | 51.7 |
B | 310 | 310 | 287 | 58.8 |
C | 317 | 317 | 325 | 65.4 |
D | 288 | 284 | 293 | 79.1 |
废气成分 | 浓度(vol.%) |
CO2 | 14.00 |
CO | 0.0975 |
H2 | 0.0325 |
NO | 0.100 |
丙烯 | 0.033 |
丙烷 | 0.016 |
H2O | 10.0 |
O2 | - |
SO2 | 0.001 |
N2 | 其余部分 |
Claims (10)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19714707A DE19714707A1 (de) | 1997-04-09 | 1997-04-09 | Sauerstoff speicherndes Material mit hoher Temperaturstabilität sowie Verfahren zu seiner Herstellung |
DE19714707.0 | 1997-04-09 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1200954A CN1200954A (zh) | 1998-12-09 |
CN1114487C true CN1114487C (zh) | 2003-07-16 |
Family
ID=7825942
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN98108256A Expired - Lifetime CN1114487C (zh) | 1997-04-09 | 1998-04-08 | 一种具有高热稳定性的储氧材料及一种制备该材料的方法 |
Country Status (17)
Country | Link |
---|---|
US (1) | US6576207B1 (zh) |
EP (1) | EP0870543B1 (zh) |
JP (1) | JP4264142B2 (zh) |
KR (1) | KR100556046B1 (zh) |
CN (1) | CN1114487C (zh) |
AR (1) | AR012345A1 (zh) |
AT (1) | ATE247521T1 (zh) |
AU (1) | AU732362B2 (zh) |
BR (1) | BR9806463B1 (zh) |
CA (1) | CA2234348C (zh) |
CZ (1) | CZ106598A3 (zh) |
DE (2) | DE19714707A1 (zh) |
PL (1) | PL325736A1 (zh) |
RU (1) | RU2214861C2 (zh) |
TR (1) | TR199800612A3 (zh) |
TW (1) | TW376330B (zh) |
ZA (1) | ZA983001B (zh) |
Cited By (1)
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CN105214594A (zh) * | 2014-06-26 | 2016-01-06 | 丰田自动车株式会社 | 氧化铈-氧化锆复合氧化物材料及其制造方法 |
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-
1997
- 1997-04-09 DE DE19714707A patent/DE19714707A1/de not_active Ceased
-
1998
- 1998-03-24 EP EP98105335A patent/EP0870543B1/de not_active Expired - Lifetime
- 1998-03-24 DE DE59809313T patent/DE59809313D1/de not_active Expired - Lifetime
- 1998-03-24 AT AT98105335T patent/ATE247521T1/de not_active IP Right Cessation
- 1998-04-02 TR TR1998/00612A patent/TR199800612A3/tr unknown
- 1998-04-04 TW TW087105152A patent/TW376330B/zh not_active IP Right Cessation
- 1998-04-06 AR ARP980101565A patent/AR012345A1/es not_active Application Discontinuation
- 1998-04-07 BR BRPI9806463-0A patent/BR9806463B1/pt not_active IP Right Cessation
- 1998-04-07 PL PL98325736A patent/PL325736A1/xx unknown
- 1998-04-08 CZ CZ981065A patent/CZ106598A3/cs unknown
- 1998-04-08 AU AU60752/98A patent/AU732362B2/en not_active Ceased
- 1998-04-08 ZA ZA983001A patent/ZA983001B/xx unknown
- 1998-04-08 US US09/056,795 patent/US6576207B1/en not_active Expired - Lifetime
- 1998-04-08 CA CA002234348A patent/CA2234348C/en not_active Expired - Fee Related
- 1998-04-08 CN CN98108256A patent/CN1114487C/zh not_active Expired - Lifetime
- 1998-04-08 RU RU98106633/12A patent/RU2214861C2/ru not_active IP Right Cessation
- 1998-04-09 JP JP09702698A patent/JP4264142B2/ja not_active Expired - Fee Related
- 1998-04-09 KR KR1019980012512A patent/KR100556046B1/ko not_active IP Right Cessation
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105214594A (zh) * | 2014-06-26 | 2016-01-06 | 丰田自动车株式会社 | 氧化铈-氧化锆复合氧化物材料及其制造方法 |
US9751075B2 (en) | 2014-06-26 | 2017-09-05 | Toyota Jidosha Kabushiki Kaisha | Ceria-zirconia complex oxide material and method for producing same |
CN105214594B (zh) * | 2014-06-26 | 2018-04-20 | 丰田自动车株式会社 | 氧化铈-氧化锆复合氧化物材料及其制造方法 |
Also Published As
Publication number | Publication date |
---|---|
BR9806463A (pt) | 1999-12-14 |
EP0870543B1 (de) | 2003-08-20 |
PL325736A1 (en) | 1998-10-12 |
EP0870543A3 (de) | 1999-04-21 |
TR199800612A2 (xx) | 1999-07-21 |
BR9806463B1 (pt) | 2009-05-05 |
AU732362B2 (en) | 2001-04-26 |
MX9802753A (es) | 1998-12-31 |
US6576207B1 (en) | 2003-06-10 |
CA2234348A1 (en) | 1998-10-09 |
TR199800612A3 (tr) | 1999-07-21 |
AU6075298A (en) | 1998-10-15 |
DE59809313D1 (de) | 2003-09-25 |
JP4264142B2 (ja) | 2009-05-13 |
KR100556046B1 (ko) | 2006-07-06 |
CA2234348C (en) | 2006-12-05 |
CZ106598A3 (cs) | 1998-12-16 |
KR19980081215A (ko) | 1998-11-25 |
ZA983001B (en) | 1998-10-21 |
EP0870543A2 (de) | 1998-10-14 |
JPH1121171A (ja) | 1999-01-26 |
CN1200954A (zh) | 1998-12-09 |
TW376330B (en) | 1999-12-11 |
AR012345A1 (es) | 2000-10-18 |
ATE247521T1 (de) | 2003-09-15 |
RU2214861C2 (ru) | 2003-10-27 |
DE19714707A1 (de) | 1998-10-15 |
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