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WO2008133168A1 - 高耐熱性触媒及びその製造方法 - Google Patents

高耐熱性触媒及びその製造方法 Download PDF

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Publication number
WO2008133168A1
WO2008133168A1 PCT/JP2008/057489 JP2008057489W WO2008133168A1 WO 2008133168 A1 WO2008133168 A1 WO 2008133168A1 JP 2008057489 W JP2008057489 W JP 2008057489W WO 2008133168 A1 WO2008133168 A1 WO 2008133168A1
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WIPO (PCT)
Prior art keywords
compound
noble metal
metal particle
highly heat
resistant catalyst
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Ceased
Application number
PCT/JP2008/057489
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English (en)
French (fr)
Inventor
Hironori Wakamatsu
Masanori Nakamura
Masahiro Takaya
Katsuo Suga
Hiroto Kikuchi
Jun Ikezawa
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Renault SA
Nissan Motor Co Ltd
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Renault SA
Nissan Motor Co Ltd
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Application filed by Renault SA, Nissan Motor Co Ltd filed Critical Renault SA
Priority to CN2008800127857A priority Critical patent/CN101663093B/zh
Priority to EP08740559.3A priority patent/EP2140937B1/en
Priority to US12/596,578 priority patent/US8158554B2/en
Publication of WO2008133168A1 publication Critical patent/WO2008133168A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Abstract

　高耐熱性用触媒は、貴金属粒子と、貴金属粒子と接触しかつ貴金属粒子の移動を抑制する第１の化合物と、貴金属粒子と第１の化合物を内包し、貴金属粒子の移動を抑制すると共に第１の化合物同士の接触に伴う第１の化合物の凝集を抑制する第２の化合物とからなる。第１の化合物は、貴金属粒子を担持し、かつ、貴金属粒子を担持した第１の化合物の単体又は集合体を、第２の化合物により隔てられた区画内に含む。この第２の化合物の線熱膨張率が1.2×10-5 [K-1]以下である。
PCT/JP2008/057489 2007-04-20 2008-04-17 高耐熱性触媒及びその製造方法 Ceased WO2008133168A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN2008800127857A CN101663093B (zh) 2007-04-20 2008-04-17 高耐热性催化剂及其制造方法
EP08740559.3A EP2140937B1 (en) 2007-04-20 2008-04-17 Highly heat-resistant catalyst, and method for production thereof
US12/596,578 US8158554B2 (en) 2007-04-20 2008-04-17 High heat-resistant catalyst and manufacturing method thereof

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2007112311 2007-04-20
JP2007-112311 2007-04-20
JP2008-048166 2008-02-28
JP2008048166A JP5661989B2 (ja) 2007-04-20 2008-02-28 高耐熱性触媒及びその製造方法

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WO2008133168A1 true WO2008133168A1 (ja) 2008-11-06

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PCT/JP2008/057489 Ceased WO2008133168A1 (ja) 2007-04-20 2008-04-17 高耐熱性触媒及びその製造方法

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US (1) US8158554B2 (ja)
EP (1) EP2140937B1 (ja)
JP (1) JP5661989B2 (ja)
CN (1) CN101663093B (ja)
WO (1) WO2008133168A1 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102470348A (zh) * 2009-11-17 2012-05-23 日产自动车株式会社 废气净化用催化剂及其制造方法
JP2014000516A (ja) * 2012-06-18 2014-01-09 Cataler Corp 触媒担持用担体、排気ガス浄化用担持触媒、及び排気ガス浄化用フィルター

Families Citing this family (11)

* Cited by examiner, † Cited by third party
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ITPD20060141A1 (it) 2006-04-18 2007-10-19 Univ Padova Elettrocatalizzatori a base di carbo-nitruri mono/pluri-metallici per celle a combustibile polimeriche tipo pefc e dmfc e per elettrogeneratori di h2
JP2013043138A (ja) * 2011-08-25 2013-03-04 Denso Corp 触媒担持体及びその製造方法
JP5831083B2 (ja) * 2011-09-20 2015-12-09 日産自動車株式会社 排ガス浄化用触媒及びその製造方法
WO2014002667A1 (ja) * 2012-06-28 2014-01-03 エヌ・イーケムキャット株式会社 排気ガス浄化用触媒組成物および自動車用排気ガス浄化用触媒
JP5942894B2 (ja) * 2013-02-21 2016-06-29 マツダ株式会社 排気ガス浄化用触媒の製造方法
US9421528B2 (en) * 2013-02-25 2016-08-23 Umicore Shokubai Japan Co., Ltd. Exhaust gas purifying catalyst and exhaust gas purification method using same
JP6212065B2 (ja) * 2015-03-02 2017-10-11 株式会社ノリタケカンパニーリミテド セリアジルコニア複合酸化物粒子とその製造方法
JP6504096B2 (ja) * 2015-06-19 2019-04-24 マツダ株式会社 排気ガス浄化用触媒
JP6442574B2 (ja) * 2017-03-16 2018-12-19 太平洋セメント株式会社 ナノ粒子集合体、ナノ粒子焼成物、及びこれらの製造方法
CN114364459A (zh) * 2019-10-18 2022-04-15 优美科触媒日本有限公司 废气净化用催化剂、废气的净化方法和废气净化用催化剂的制造方法
CN111744367A (zh) * 2020-05-29 2020-10-09 北京交通大学 一种纳米材料和mof共同改性有机膜的制备方法及应用

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08131830A (ja) 1994-11-07 1996-05-28 Toyota Motor Corp 排ガス浄化用触媒
JP2003117393A (ja) 2001-10-09 2003-04-22 Toyota Motor Corp 排ガス浄化用触媒
JP2005000830A (ja) 2003-06-12 2005-01-06 Toyota Motor Corp 排ガス浄化用触媒
JP2005000829A (ja) 2003-06-12 2005-01-06 Toyota Motor Corp 排ガス浄化用触媒とその製造方法
JP2005034683A (ja) * 2003-07-15 2005-02-10 Toyota Motor Corp 排ガス浄化用触媒
JP2005318370A (ja) 2004-04-30 2005-11-10 Nakayo Telecommun Inc メールアドレス通知プログラム
JP2006192357A (ja) * 2005-01-12 2006-07-27 Toyota Motor Corp 排ガス浄化用触媒
JP2007000795A (ja) * 2005-06-24 2007-01-11 Nissan Motor Co Ltd 排気ガス浄化触媒及びその製造方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5217072B2 (ja) * 2003-11-14 2013-06-19 トヨタ自動車株式会社 排ガス浄化用触媒およびその製法
JP4547930B2 (ja) * 2004-02-17 2010-09-22 日産自動車株式会社 触媒、触媒の調製方法及び排ガス浄化用触媒
JP4547935B2 (ja) * 2004-02-24 2010-09-22 日産自動車株式会社 排ガス浄化用触媒、排ガス浄化触媒、及び触媒の製造方法
JP4513372B2 (ja) * 2004-03-23 2010-07-28 日産自動車株式会社 排ガス浄化用触媒及び排ガス浄化触媒
JP4513384B2 (ja) * 2004-03-31 2010-07-28 日産自動車株式会社 高耐熱性排ガス浄化用触媒及びその製造方法
US7605108B2 (en) * 2004-07-08 2009-10-20 Nissan Motor Co., Ltd. Catalyst, exhaust gas purification catalyst, and method for manufacturing same
US7713908B2 (en) * 2004-08-30 2010-05-11 Kabushiki Kaisha Toyota Chuo Kenkyusho Porous composite metal oxide and method of producing the same
CN101400441B (zh) * 2005-11-01 2014-12-31 日产自动车株式会社 废气净化用催化剂及其制造方法

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08131830A (ja) 1994-11-07 1996-05-28 Toyota Motor Corp 排ガス浄化用触媒
JP2003117393A (ja) 2001-10-09 2003-04-22 Toyota Motor Corp 排ガス浄化用触媒
JP2005000830A (ja) 2003-06-12 2005-01-06 Toyota Motor Corp 排ガス浄化用触媒
JP2005000829A (ja) 2003-06-12 2005-01-06 Toyota Motor Corp 排ガス浄化用触媒とその製造方法
JP2005034683A (ja) * 2003-07-15 2005-02-10 Toyota Motor Corp 排ガス浄化用触媒
JP2005318370A (ja) 2004-04-30 2005-11-10 Nakayo Telecommun Inc メールアドレス通知プログラム
JP2006192357A (ja) * 2005-01-12 2006-07-27 Toyota Motor Corp 排ガス浄化用触媒
JP2007000795A (ja) * 2005-06-24 2007-01-11 Nissan Motor Co Ltd 排気ガス浄化触媒及びその製造方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2140937A4

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102470348A (zh) * 2009-11-17 2012-05-23 日产自动车株式会社 废气净化用催化剂及其制造方法
JP2014000516A (ja) * 2012-06-18 2014-01-09 Cataler Corp 触媒担持用担体、排気ガス浄化用担持触媒、及び排気ガス浄化用フィルター

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