JP2010172873A - ハニカム構造体、及びハニカム触媒体 - Google Patents
ハニカム構造体、及びハニカム触媒体 Download PDFInfo
- Publication number
- JP2010172873A JP2010172873A JP2009021524A JP2009021524A JP2010172873A JP 2010172873 A JP2010172873 A JP 2010172873A JP 2009021524 A JP2009021524 A JP 2009021524A JP 2009021524 A JP2009021524 A JP 2009021524A JP 2010172873 A JP2010172873 A JP 2010172873A
- Authority
- JP
- Japan
- Prior art keywords
- partition wall
- honeycomb
- porosity
- less
- catalyst
- 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.)
- Granted
Links
- 239000003054 catalyst Substances 0.000 title claims abstract description 114
- 239000011148 porous material Substances 0.000 claims abstract description 49
- 230000035699 permeability Effects 0.000 claims abstract description 25
- 238000005192 partition Methods 0.000 claims description 104
- 238000005202 decontamination Methods 0.000 abstract 2
- 230000003588 decontaminative effect Effects 0.000 abstract 2
- 230000000149 penetrating effect Effects 0.000 abstract 2
- 239000007789 gas Substances 0.000 description 40
- 238000000746 purification Methods 0.000 description 34
- 239000010410 layer Substances 0.000 description 20
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 9
- 229910000510 noble metal Inorganic materials 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 6
- 229910052753 mercury Inorganic materials 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Substances [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 6
- 239000002002 slurry Substances 0.000 description 5
- 230000008093 supporting effect Effects 0.000 description 5
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 4
- 229910052878 cordierite Inorganic materials 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 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 4
- 238000005259 measurement Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 230000023402 cell communication Effects 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910052697 platinum Inorganic materials 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 229910052581 Si3N4 Inorganic materials 0.000 description 2
- 229910052783 alkali metal Inorganic materials 0.000 description 2
- 150000001340 alkali metals Chemical class 0.000 description 2
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 2
- 150000001342 alkaline earth metals Chemical class 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 description 2
- 239000002270 dispersing agent Substances 0.000 description 2
- 239000002612 dispersion medium Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910052863 mullite Inorganic materials 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 229910052763 palladium Inorganic materials 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229910052703 rhodium Inorganic materials 0.000 description 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 2
- 229910010271 silicon carbide Inorganic materials 0.000 description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 230000008646 thermal stress Effects 0.000 description 2
- 239000005995 Aluminium silicate Substances 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical class [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 description 1
- 229910000420 cerium oxide Inorganic materials 0.000 description 1
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical class O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- TXKMVPPZCYKFAC-UHFFFAOYSA-N disulfur monoxide Inorganic materials O=S=S TXKMVPPZCYKFAC-UHFFFAOYSA-N 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000001866 hydroxypropyl methyl cellulose Substances 0.000 description 1
- 229920003088 hydroxypropyl methyl cellulose Polymers 0.000 description 1
- UFVKGYZPFZQRLF-UHFFFAOYSA-N hydroxypropyl methyl cellulose Chemical compound OC1C(O)C(OC)OC(CO)C1OC1C(O)C(O)C(OC2C(C(O)C(OC3C(C(O)C(O)C(CO)O3)O)C(CO)O2)O)C(CO)O1 UFVKGYZPFZQRLF-UHFFFAOYSA-N 0.000 description 1
- 235000010979 hydroxypropyl methyl cellulose Nutrition 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- QGLKJKCYBOYXKC-UHFFFAOYSA-N nonaoxidotritungsten Chemical class O=[W]1(=O)O[W](=O)(=O)O[W](=O)(=O)O1 QGLKJKCYBOYXKC-UHFFFAOYSA-N 0.000 description 1
- 229910052574 oxide ceramic Inorganic materials 0.000 description 1
- 239000011224 oxide ceramic Substances 0.000 description 1
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- -1 sialon Chemical compound 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Chemical class 0.000 description 1
- 239000011232 storage material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical compound S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 229910001930 tungsten oxide Inorganic materials 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical class [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Images
Landscapes
- Exhaust Gas After Treatment (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Catalysts (AREA)
Abstract
【解決手段】入口から出口にかけてセル流路が貫通しているフロースルー型のハニカム構造体であって、セル流路を形成する隔壁は一方のセル側の面からその反対側のセル側の面に連通する細孔を有し、隔壁のパーミアビリティーが1.5×10−12[m2]以上であり、長手方向において端面の隔壁厚さが中央部の隔壁厚さの20%以上80%未満であるとともに、端面から、全長の1%以上10%未満の範囲の隔壁の気孔率が中央部の気孔率の80%未満であるハニカム構造体である。
【選択図】図4
Description
[ハニカム構造体の作製]コージェライト化原料として、アルミナ、水酸化アルミニウム、カオリン、タルク、及びシリカを使用し、コージェライト化原料100質量部に、造孔材を13質量部、分散媒を35質量部、有機バインダを6質量部、分散剤を0.5質量部、それぞれ添加し、混合、混練して坏土を調製した。分散媒として水を使用し、造孔材としては平均粒子径10μmのコークスを使用し、有機バインダとしてはヒドロキシプロピルメチルセルロースを使用し、分散剤としてはエチレングリコールを使用した。次いで、所定の金型を用いて坏土を押出成形し、セル形状が四角形で、全体形状が円柱形(円筒形)のハニカム成形体1aを得た。
比較例1〜7のハニカム構造体、ハニカム触媒体も同様に作製し、測定・評価した。
Claims (4)
- 入口から出口にかけてセル流路が貫通しているフロースルー型のハニカム構造体であって、
前記セル流路を形成する隔壁は一方のセル側の面からその反対側のセル側の面に連通する細孔を有し、前記隔壁のパーミアビリティーが1.5×10−12[m2]以上であり、長手方向における端面の隔壁厚さが中央部の隔壁厚さの20%以上80%未満であるとともに、端面から、全長の1%以上10%未満の範囲の隔壁の気孔率が前記中央部の気孔率の80%未満であるハニカム構造体。 - 長手方向における前記中央部は、隔壁厚さが200μm以上、前記隔壁の気孔率が45%以上、平均細孔径が10μm以上である請求項1に記載のハニカム構造体。
- 入口から出口にかけてセル流路が貫通しているフロースルー型のハニカム触媒体であって、
前記セル流路を形成する隔壁は一方のセル側の面からその反対側のセル側の面に連通する細孔を有し、前記隔壁の表面、および細孔の内表面の双方に触媒が担持されており、前記触媒が担持された状態での前記隔壁のパーミアビリティーが1×10−12[m2]以上であり、長手方向における端面の隔壁厚さが中央部の隔壁厚さの20%以上80%未満であるとともに、端面から、全長の1%以上10%未満の範囲の隔壁の気孔率が中央部の気孔率の80%未満であるハニカム触媒体。 - 長手方向における前記中央部は、隔壁厚さが200μm以上、前記隔壁の気孔率が45%以上、平均細孔径が10μm以上である請求項3に記載のハニカム触媒体。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009021524A JP5452943B2 (ja) | 2009-02-02 | 2009-02-02 | ハニカム構造体、及びハニカム触媒体 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009021524A JP5452943B2 (ja) | 2009-02-02 | 2009-02-02 | ハニカム構造体、及びハニカム触媒体 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010172873A true JP2010172873A (ja) | 2010-08-12 |
JP5452943B2 JP5452943B2 (ja) | 2014-03-26 |
Family
ID=42704328
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009021524A Active JP5452943B2 (ja) | 2009-02-02 | 2009-02-02 | ハニカム構造体、及びハニカム触媒体 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP5452943B2 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012206057A (ja) * | 2011-03-30 | 2012-10-25 | Ngk Insulators Ltd | ハニカム構造体及びその製造方法 |
JP2013198903A (ja) * | 2013-06-24 | 2013-10-03 | Ngk Insulators Ltd | ハニカム構造体 |
CN115138397A (zh) * | 2021-03-30 | 2022-10-04 | 日本碍子株式会社 | 蜂窝结构体 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000051710A (ja) * | 1998-06-03 | 2000-02-22 | Denso Corp | ハニカム構造体及びその製造方法 |
JP2002539929A (ja) * | 1999-03-22 | 2002-11-26 | エミテック ゲゼルシヤフト フユア エミツシオンス テクノロギー ミツト ベシユレンクテル ハフツング | 流入側の壁厚を低減した触媒体とその製造方法 |
JP2003040687A (ja) * | 2000-06-30 | 2003-02-13 | Ngk Insulators Ltd | ハニカムセラミックス構造体とその製造方法 |
JP2005220815A (ja) * | 2004-02-05 | 2005-08-18 | Nissan Motor Co Ltd | 内燃機関の排気浄化装置及びその製造方法 |
WO2007126710A1 (en) * | 2006-03-31 | 2007-11-08 | Corning Incorporated | Catalytic flow-through fast light off ceramic substrate and method of manufacture |
JP2007296514A (ja) * | 2006-04-07 | 2007-11-15 | Ngk Insulators Ltd | 触媒体とその製造方法 |
-
2009
- 2009-02-02 JP JP2009021524A patent/JP5452943B2/ja active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000051710A (ja) * | 1998-06-03 | 2000-02-22 | Denso Corp | ハニカム構造体及びその製造方法 |
JP2002539929A (ja) * | 1999-03-22 | 2002-11-26 | エミテック ゲゼルシヤフト フユア エミツシオンス テクノロギー ミツト ベシユレンクテル ハフツング | 流入側の壁厚を低減した触媒体とその製造方法 |
JP2003040687A (ja) * | 2000-06-30 | 2003-02-13 | Ngk Insulators Ltd | ハニカムセラミックス構造体とその製造方法 |
JP2005220815A (ja) * | 2004-02-05 | 2005-08-18 | Nissan Motor Co Ltd | 内燃機関の排気浄化装置及びその製造方法 |
WO2007126710A1 (en) * | 2006-03-31 | 2007-11-08 | Corning Incorporated | Catalytic flow-through fast light off ceramic substrate and method of manufacture |
JP2009532196A (ja) * | 2006-03-31 | 2009-09-10 | コーニング インコーポレイテッド | 着火が迅速な触媒付きガス貫流セラミック基体およびその製造方法 |
JP2007296514A (ja) * | 2006-04-07 | 2007-11-15 | Ngk Insulators Ltd | 触媒体とその製造方法 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012206057A (ja) * | 2011-03-30 | 2012-10-25 | Ngk Insulators Ltd | ハニカム構造体及びその製造方法 |
JP2013198903A (ja) * | 2013-06-24 | 2013-10-03 | Ngk Insulators Ltd | ハニカム構造体 |
CN115138397A (zh) * | 2021-03-30 | 2022-10-04 | 日本碍子株式会社 | 蜂窝结构体 |
CN115138397B (zh) * | 2021-03-30 | 2023-11-14 | 日本碍子株式会社 | 蜂窝结构体 |
Also Published As
Publication number | Publication date |
---|---|
JP5452943B2 (ja) | 2014-03-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4819814B2 (ja) | ハニカム構造体、及びハニカム触媒体 | |
JP4971166B2 (ja) | ハニカム触媒体、ハニカム触媒体製造用のプレコート担体及びハニカム触媒体の製造方法 | |
JP4814886B2 (ja) | ハニカム触媒体、及びハニカム触媒体の製造方法 | |
JP5368776B2 (ja) | ハニカム構造体 | |
JPWO2007026803A1 (ja) | ハニカム構造体及びハニカム触媒体 | |
US8192517B2 (en) | Ceramic honeycomb structural body | |
EP2070579B1 (en) | Honeycomb structure, honeycomb catalytic body and manufacturing method of the same | |
EP2339135B1 (en) | Substrate with surface-collection-layer and catalyst-carrying substrate with surface-collection-layer | |
JP5419505B2 (ja) | ハニカム構造体の製造方法及びハニカム触媒体の製造方法 | |
EP2103342B1 (en) | Catalyst-carrying filter | |
EP2174701B1 (en) | Honeycomb filter | |
EP2415510B1 (en) | Honeycomb filter and method of manufacturing same | |
EP2415509B1 (en) | Honeycomb filter and method of manufacturing same | |
JP2007289926A (ja) | ハニカム構造体及びハニカム触媒体 | |
JPWO2007097056A1 (ja) | ハニカム構造体および排ガス浄化装置 | |
JP2006255574A (ja) | ハニカム構造体 | |
JPWO2007052479A1 (ja) | ハニカム構造体及びハニカム触媒体 | |
JPWO2012046484A1 (ja) | 排ガス浄化装置 | |
CN113661311A (zh) | 排气净化过滤器 | |
JP5452943B2 (ja) | ハニカム構造体、及びハニカム触媒体 | |
JP5408865B2 (ja) | ハニカム触媒体 | |
JP5954994B2 (ja) | ハニカムフィルタ | |
JP6091282B2 (ja) | 触媒コートフィルタ及び触媒コートフィルタ用担体 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20111124 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20130116 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20130129 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20130326 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20131217 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20140106 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 5452943 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 Free format text: JAPANESE INTERMEDIATE CODE: R150 |