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31. 发明授权

US08158552B2 Exhaust gas purifying catalyst 有权
标题翻译：废气净化催化剂
公开(公告)号：US08158552B2
公开(公告)日：2012-04-17
申请号：US12306861
申请日：2007-07-04
申请人： Asuka Hori , Akimasa Hirai , Keiichi Narita
发明人： Asuka Hori , Akimasa Hirai , Keiichi Narita
IPC分类号： B01J23/10 , B01D53/94
CPC分类号： B01J37/0244 , B01D53/945 , B01D2255/1021 , B01D2255/1023 , B01D2255/1025 , B01D2255/407 , B01D2255/9022 , B01J23/002 , B01J23/63 , B01J37/0234 , B01J2523/23 , B01J2523/24 , B01J2523/25 , B01J2523/36 , B01J2523/37 , B01J2523/3706 , B01J2523/3712 , B01J2523/48 , Y02T10/22
摘要： An exhaust gas purifying catalyst exhibiting high purification performance in the Hot range is provided. The exhaust gas purifying catalyst has a catalyst substrate and a catalyst coating layer formed on the catalyst substrate. The catalyst coating layer has a layered structure including an inside layer a containing the component (a-1) and the component (a-2) described below, and an outside layer b containing the component (b-1) and the component (b-2) described below. Component (a-1) and component (b-1): noble metals. Component (a-2): a compound oxide of (i) Ce, (ii) Zr and (iii) an element selected from the group consisting of rare earth elements, alkaline earth elements and Y, having a ratio of (ii) to (i) within the range of more than 40/100 but not more than 100/2 in terms of the weight ratio between CeO2 and ZrO2. Component (b-2): a compound oxide of elements including at least (v) and (vi) selected among (iv) Ce, (v) Zr and (vi) an element selected from the group consisting of rare earth elements, alkaline earth elements and Y, having a ratio of (v) to (iv) of not more than 40/100 in terms of the weight ratio between CeO2 and ZrO2.
摘要翻译：提供了在热范围内表现出高净化性能的废气净化催化剂。废气净化催化剂具有形成在催化剂基板上的催化剂基板和催化剂被覆层。催化剂涂层具有包含含有成分（a-1）和下述成分（a-2）的内层a和含有成分（b-1）和成分（b）的外层b的层叠结构 -2）。组分（a-1）和组分（b-1）：贵金属。成分（a-2）：（i）Ce，（ii）Zr的复合氧化物和（iii）选自稀土元素，碱土金属元素和Y的元素，其比例为（ⅱ）〜（i）以CeO 2和ZrO 2之间的重量比计，在大于40/100但不大于100/2的范围内。组分（b-2）：选自（iv）Ce，（v）Zr中的至少（v）和（vi）的元素的复合氧化物，和（vi）选自稀土元素，碱（v）〜（iv）的比例以CeO 2与ZrO 2的重量比计为40/100以下的土元素和Y。

32. 发明申请

US20140038812A1 EXHAUST GAS-PURIFYING CATALYST 审中-公开
标题翻译：排气净化催化剂
公开(公告)号：US20140038812A1
公开(公告)日：2014-02-06
申请号：US14046435
申请日：2013-10-04
申请人： Asuka Hori , Akimasa Hirai , Keiichi Narita
发明人： Asuka Hori , Akimasa Hirai , Keiichi Narita
IPC分类号： B01J23/63
CPC分类号： B01J23/63 , B01D53/9413 , B01D2255/1021 , B01D2255/1023 , B01D2255/1025 , B01D2255/2042 , B01D2255/2065 , B01D2255/20715 , B01D2255/2092 , B01D2255/407 , B01D2255/9022 , B01D2258/014 , B01J23/002 , B01J35/04 , B01J37/0234 , B01J37/0244 , B01J2523/00 , F01N3/2828 , F01N2510/06 , F01N2510/0684 , B01J2523/25 , B01J2523/3706 , B01J2523/3712 , B01J2523/3718 , B01J2523/3725 , B01J2523/48 , B01J2523/822 , B01J2523/824 , B01J2523/828 , B01J2523/36
摘要： A high NOx-purifying performance at high temperature conditions is achieved with a small amount of precious metal used. An exhaust gas-purifying catalyst includes a substrate, a lower layer formed on the substrate and including a first composite oxide, palladium and platinum, and an upper layer formed on the lower layer and including a second composite oxide and rhodium. The first composite oxide includes cerium, zirconium, and an element selected from the group consisting of rare-earth elements other than cerium and alkaline-earth elements. A mass ratio of platinum with respect to palladium falls within a range of 1/50 to 1/20. The second composite oxide includes zirconium and an element selected from the group consisting of rare-earth elements other than cerium and alkaline-earth elements and has an atomic ratio of cerium with respect to zirconium smaller than that of the first composite oxide.
摘要翻译：使用少量的贵金属可实现高温条件下的高NOx净化性能。废气净化催化剂包括基材，形成在基材上的下层，并且包含第一复合氧化物，钯和铂，以及形成在下层上的上层，并且包含第二复合氧化物和铑。第一复合氧化物包括铈，锆和选自除了铈和碱土金属元素之外的稀土元素的元素。铂相对于钯的质量比落在1/50〜1/20的范围内。第二复合氧化物包括锆和选自由铈和碱土金属元素以外的稀土元素组成的组中的元素，并且铈相对于锆的原子比小于第一复合氧化物的原子比。

33. 发明申请

US20100004122A1 Exhaust Gas-Purifying Catalyst 审中-公开
标题翻译：废气净化催化剂
公开(公告)号：US20100004122A1
公开(公告)日：2010-01-07
申请号：US12560550
申请日：2009-09-16
申请人： Asuka HORI , Akimasa Hirai , Keiichi Narita
发明人： Asuka HORI , Akimasa Hirai , Keiichi Narita
IPC分类号： B01J23/10
CPC分类号： B01J23/63 , B01D53/9413 , B01D2255/1021 , B01D2255/1023 , B01D2255/1025 , B01D2255/2042 , B01D2255/2065 , B01D2255/20715 , B01D2255/2092 , B01D2255/407 , B01D2255/9022 , B01D2258/014 , B01J23/002 , B01J35/04 , B01J37/0234 , B01J37/0244 , B01J2523/00 , F01N3/2828 , F01N2510/06 , F01N2510/0684 , B01J2523/25 , B01J2523/3706 , B01J2523/3712 , B01J2523/3718 , B01J2523/3725 , B01J2523/48 , B01J2523/822 , B01J2523/824 , B01J2523/828 , B01J2523/36
摘要： A high NOx-purifying performance at high temperature conditions is achieved with a small amount of precious metal used. An exhaust gas-purifying catalyst includes a substrate, a lower layer formed on the substrate and including a first composite oxide, palladium and platinum, and an upper layer formed on the lower layer and including a second composite oxide and rhodium. The first composite oxide includes cerium, zirconium, and an element selected from the group consisting of rare-earth elements other than cerium and alkaline-earth elements. A mass ratio of platinum with respect to palladium falls within a range of 1/50 to 1/20. The second composite oxide includes zirconium and an element selected from the group consisting of rare-earth elements other than cerium and alkaline-earth elements and has an atomic ratio of cerium with respect to zirconium smaller than that of the first composite oxide.
摘要翻译：使用少量的贵金属可实现高温条件下的高NOx净化性能。废气净化催化剂包括基材，形成在基材上的下层，并且包含第一复合氧化物，钯和铂，以及形成在下层上的上层，并且包含第二复合氧化物和铑。第一复合氧化物包括铈，锆和选自除了铈和碱土金属元素之外的稀土元素的元素。铂相对于钯的质量比落在1/50〜1/20的范围内。第二复合氧化物包括锆和选自由铈和碱土金属元素以外的稀土元素组成的组中的元素，并且铈相对于锆的原子比小于第一复合氧化物的原子比。

34. 发明申请

US20080096759A1 Exhaust-Gas-Purifying Catalyst 有权
标题翻译：废气净化催化剂
公开(公告)号：US20080096759A1
公开(公告)日：2008-04-24
申请号：US11665973
申请日：2004-10-28
申请人： Asuka Hori , Keiichi Narita , Akimasa Hirai
发明人： Asuka Hori , Keiichi Narita , Akimasa Hirai
IPC分类号： B01J23/10
CPC分类号： B01D53/945 , B01D2255/206 , B01D2255/407 , B01D2255/902 , B01J23/63 , B01J37/0244 , F01N2510/06 , F01N2510/0684 , Y02T10/22
摘要： The present invention relates to a catalyst for purifying exhaust gases emitted from the internal combustion engines. The exhaust-gas-purifying catalyst in this invention, comprising: a catalyst support substrate and a plurality of catalyst layers formed on a surface of the catalyst support substrate and having an exterior-surface layer for forming a surface of the plural catalyst layers, and the exterior-surface layer including a loading layer formed by fireproof inorganic oxide; at least one catalytic metal selected from the group consisting of platinum, palladium and rhodium, and supported on the loading layer; stabilized zirconia loaded on the loading layer; and cerium-zirconium composite oxide loaded on the loading layer, and the stabilized zirconia including zirconia and oxide formed by at least one additive member selected from the group consisting of yttrium, neodymium, praseodymium and lanthanum. The durability of the exhaust-gas-purifying catalyst was improved by having the stabilized zirconia and cerium-zirconium composite oxide in the exterior-surface layer.
摘要翻译：本发明涉及一种用于净化从内燃机排出的废气的催化剂。本发明的废气净化催化剂，其特征在于，包括：催化剂载体基板和形成在所述催化剂载体基板的表面上并具有形成所述多个催化剂层的表面的外表面层的多个催化剂层，所述外表面层包括由耐火无机氧化物形成的加载层; 至少一种选自铂，钯和铑的催化剂金属，并负载在载体层上; 负载层上的稳定的氧化锆; 负载在负载层上的铈锆复合氧化物，以及由选自钇，钕，镨和镧的至少一种添加剂构成的包含氧化锆和氧化物的稳定化氧化锆。通过在外表面层中具有稳定的氧化锆和铈 - 锆复合氧化物，改善了废气净化催化剂的耐久性。

35. 发明申请

US20100004123A1 OXYGEN STORAGE MATERIAL 有权
标题翻译：氧气储存材料
公开(公告)号：US20100004123A1
公开(公告)日：2010-01-07
申请号：US12307571
申请日：2007-06-22
申请人： Mareo Kimura , Keiichi Narita , Akimasa Hirai , Akiya Chiba , Naoto Miyoshi , Kazunobu Ishibashi , Takaaki Kanazawa , Takeru Yoshida , Hirohisa Tanaka , Mari Uenishi , Isao Tan , Masashi Taniguchi
发明人： Mareo Kimura , Keiichi Narita , Akimasa Hirai , Akiya Chiba , Naoto Miyoshi , Kazunobu Ishibashi , Takaaki Kanazawa , Takeru Yoshida , Hirohisa Tanaka , Mari Uenishi , Isao Tan , Masashi Taniguchi
IPC分类号： B01J23/10
CPC分类号： C01G25/02 , B01D53/02 , B01D2253/112 , B01D2255/407 , B01D2256/12 , B01D2259/4525 , B01J23/002 , B01J23/63 , B01J2523/00 , C01P2002/72 , C01P2002/85 , C01P2004/82 , C01P2006/12 , Y10S502/526 , B01J2523/25 , B01J2523/3712 , B01J2523/48 , B01J2523/36
摘要： An excellent oxygen storage capacity is achieved even in the case used for a long period of time under high temperature conditions. An oxygen storage material contains a first particle made of a composite oxide of cerium and zirconium or a composite oxide of cerium, a rare-earth element other than cerium and zirconium, a second particle including a composite oxide of a rare-earth element, an alkaline-earth element and zirconium, and a precious metal. A part of the precious metal forms a solid solution with the composite oxide included in the second particle.
摘要翻译：即使在高温条件下长时间使用的情况下也能获得极好的储氧能力。储氧材料包含由铈和锆的复合氧化物制成的第一颗粒或铈，铈和锆以外的稀土元素的复合氧化物，包含稀土元素的复合氧化物的第二颗粒，碱土元素和锆，以及贵金属。贵金属的一部分与第二颗粒中包含的复合氧化物形成固溶体。

36. 发明申请

US20090280979A1 EXHAUST GAS PURIFYING CATALYST 有权
标题翻译：排气净化催化剂
公开(公告)号：US20090280979A1
公开(公告)日：2009-11-12
申请号：US12306861
申请日：2007-07-04
申请人： Asuka Hori , Akimasa Hirai , Keiichi Narita
发明人： Asuka Hori , Akimasa Hirai , Keiichi Narita
IPC分类号： B01J23/10
CPC分类号： B01J37/0244 , B01D53/945 , B01D2255/1021 , B01D2255/1023 , B01D2255/1025 , B01D2255/407 , B01D2255/9022 , B01J23/002 , B01J23/63 , B01J37/0234 , B01J2523/23 , B01J2523/24 , B01J2523/25 , B01J2523/36 , B01J2523/37 , B01J2523/3706 , B01J2523/3712 , B01J2523/48 , Y02T10/22
摘要： An exhaust gas purifying catalyst exhibiting high purification performance in the Hot range is provided. The exhaust gas purifying catalyst has a catalyst substrate and a catalyst coating layer formed on the catalyst substrate. The catalyst coating layer has a layered structure including an inside layer a containing the component (a-1) and the component (a-2) described below, and an outside layer b containing the component (b-1) and the component (b-2) described below. Component (a-1) and component (b-1): noble metals. Component (a-2): a compound oxide of (i) Ce, (ii) Zr and (iii) an element selected from the group consisting of rare earth elements, alkaline earth elements and Y, having a ratio of (ii) to (i) within the range of more than 40/100 but not more than 100/2 in terms of the weight ratio between CeO2 and ZrO2. Component (b-2): a compound oxide of elements including at least (v) and (vi) selected among (iv) Ce, (v) Zr and (vi) an element selected from the group consisting of rare earth elements, alkaline earth elements and Y, having a ratio of (v) to (iv) of not more than 40/100 in terms of the weight ratio between CeO2 and ZrO2.
摘要翻译：提供了在热范围内表现出高净化性能的废气净化催化剂。废气净化催化剂具有形成在催化剂基板上的催化剂基板和催化剂被覆层。催化剂涂层具有包含含有成分（a-1）和下述成分（a-2）的内层a和含有成分（b-1）和成分（b）的外层b的层叠结构 -2）。组分（a-1）和组分（b-1）：贵金属。成分（a-2）：（i）Ce，（ii）Zr的复合氧化物和（iii）选自稀土元素，碱土金属元素和Y的元素，其比例为（ⅱ）〜（i）以CeO 2和ZrO 2之间的重量比计，在大于40/100但不大于100/2的范围内。组分（b-2）：选自（iv）Ce，（v）Zr中的至少（v）和（vi）的元素的复合氧化物，和（vi）选自稀土元素，碱（v）〜（iv）的比例以CeO 2与ZrO 2的重量比计为40/100以下的土元素和Y。

37. 发明授权

US08680004B2 Exhaust gas-purifying catalyst 有权
标题翻译：废气净化催化剂
公开(公告)号：US08680004B2
公开(公告)日：2014-03-25
申请号：US13006352
申请日：2011-01-13
申请人： Ichiro Kitamura , Akimasa Hirai , Kenichi Taki
发明人： Ichiro Kitamura , Akimasa Hirai , Kenichi Taki
IPC分类号： B01J23/00 , B01J23/10
CPC分类号： B01J23/63 , B01D53/945 , B01D2255/1023 , B01D2255/1025 , B01D2255/2042 , B01D2255/2061 , B01D2255/2063 , B01D2255/2065 , B01D2255/2066 , B01D2255/2068 , B01D2255/20715 , B01D2255/2092 , B01D2255/407 , B01D2255/50 , B01D2255/9022 , B01J23/002 , B01J37/0234 , B01J37/0244 , B01J37/0246 , B01J2523/00 , F01N2510/063 , F01N2510/0682 , Y02T10/22 , B01J2523/3706 , B01J2523/3712 , B01J2523/48 , B01J2523/36 , B01J2523/3718 , B01J2523/3725
摘要： Provided is an exhaust gas-purifying catalyst excelling in an exhaust gas-purifying performance. The exhaust gas-purifying catalyst contains a substrate, and a catalyst layer formed on the substrate and containing a precious metal and praseodymium.
摘要翻译：提供了排气净化性能优异的废气净化用催化剂。废气净化催化剂含有基材和形成在基材上并含有贵金属和镨的催化剂层。

38. 发明授权

US07998896B2 Exhaust gas purifying catalyst 有权
标题翻译：废气净化催化剂
公开(公告)号：US07998896B2
公开(公告)日：2011-08-16
申请号：US11997430
申请日：2006-07-24
申请人： Ichiro Kitamura , Kenichi Taki , Akimasa Hirai
发明人： Ichiro Kitamura , Kenichi Taki , Akimasa Hirai
IPC分类号： B01J23/00 , B01J21/00 , B01J20/00 , B01D50/00 , B01D53/34
CPC分类号： B01D53/945 , B01D2255/102 , B01D2255/407 , B01J23/63 , B01J35/0006 , B01J37/0244 , F01N3/28 , F01N2510/065 , Y02T10/22
摘要： An exhaust gas purifying catalyst having a good ignition performance is provided. The exhaust gas purifying catalyst 1 includes a catalyst substrate 3 and a catalyst coating layer 5 which contains a noble metal and a refractory inorganic oxide and is formed on the catalyst substrate. The exhaust gas purifying catalyst is characterized in that the catalyst coating layer 5 includes an upstream portion 11 located upstream and a downstream portion 13 located downstream in a flow direction of an exhaust gas. The upstream portion 11 has a layered structure including an upstream portion inside layer 17 and an upstream portion outside layer 15. The upstream portion inside layer contains a cerium-zirconium composite oxide in which a relative proportion of CeO2 is 50 to 95 wt %, as the refractory inorganic oxide, and the upstream portion outside layer 15 and the downstream portion 13 contain a cerium-zirconium composite oxide in which a relative proportion of ZrO2 is 50 to 95 wt %, as the refractory inorganic oxide.
摘要翻译：提供具有良好点火性能的废气净化催化剂。废气净化催化剂1包括催化剂基板3和含有贵金属和耐火无机氧化物并形成在催化剂基板上的催化剂涂层5。废气净化催化剂的特征在于，催化剂涂层5包括位于上游的上游部分11和位于排气流动方向下游的下游部分13。上游部分11具有包括上游部分内层17和上游部分外侧层15的层状结构。上游部分内层含有CeO 2的相对比例为50〜95重量％的铈锆复合氧化物，如耐火无机氧化物，上游侧外层15和下游部13含有ZrO 2的相对比例为50〜95重量％的铈 - 锆复合氧化物作为耐火无机氧化物。

39. 发明申请

US20090275468A1 EXHAUST GAS PURIFYING CATALYST 有权
标题翻译：排气净化催化剂
公开(公告)号：US20090275468A1
公开(公告)日：2009-11-05
申请号：US12067837
申请日：2006-10-04
申请人： Kenichi Taki , Akimasa Hirai , Ichiro Kitamura
发明人： Kenichi Taki , Akimasa Hirai , Ichiro Kitamura
IPC分类号： B01J23/10 , B01J23/44 , B01J23/42
CPC分类号： B01J37/0244 , B01D2255/1021 , B01D2255/1023 , B01D2255/1025 , B01D2255/206 , B01D2255/20715 , B01D2255/2092 , B01J23/40 , B01J23/464 , B01J23/63
摘要： An exhaust gas purifying catalyst is provided which includes a catalyst substrate and a catalyst coating layer. The catalyst coating layer is formed on the catalyst substrate and contains a noble metal and a refractory inorganic oxide. The catalyst coating layer has a layered structure including an A-layer and a B-layer. The A-layer contains Pd and Pt as the noble metal in a weight ratio of 3:1 to 20:1. The B-layer includes Rh as the noble metal.
摘要翻译：提供了一种废气净化催化剂，其包括催化剂基质和催化剂涂层。催化剂涂层形成在催化剂基材上并含有贵金属和耐火无机氧化物。催化剂涂层具有包括A层和B层的层状结构。 A层含有Pd和Pt作为贵金属，重量比为3：1至20：1。 B层包括Rh作为贵金属。

40. 发明申请

US20090209408A1 Exhaust Gas-Purifying Catalyst 审中-公开
标题翻译：废气净化催化剂
公开(公告)号：US20090209408A1
公开(公告)日：2009-08-20
申请号：US12426050
申请日：2009-04-17
申请人： Ichiro KITAMURA , Akimasa Hirai , Kenichi Taki
发明人： Ichiro KITAMURA , Akimasa Hirai , Kenichi Taki
IPC分类号： B01J29/068 , B01J23/44 , B01J23/58 , B01J23/63 , B01J23/10 , B01J23/46
CPC分类号： B01D53/945 , B01D2255/1023 , B01D2255/1025 , B01D2255/204 , B01D2255/2042 , B01D2255/206 , B01D2255/407 , B01D2255/50 , B01D2255/902 , B01D2255/9022 , B01D2255/908 , B01D2255/912 , B01J23/002 , B01J23/63 , B01J27/053 , B01J37/0244 , B01J37/0246 , B01J2523/00 , Y02T10/22 , B01J2523/25 , B01J2523/31 , B01J2523/3706 , B01J2523/3712 , B01J2523/48 , B01J2523/822 , B01J2523/824
摘要： A high exhaust gas-purifying efficiency is achieved. An exhaust gas-purifying catalyst includes a substrate, an oxygen storage layer covering the substrate and including an oxygen storage material, and a catalytic layer covering the oxygen storage layer and including palladium, rhodium and a carrier supporting them, the catalytic layer having a precious metal concentration higher than that of the oxygen storage layer.
摘要翻译：实现了高废气净化效率。一种废气净化用催化剂，具备：基材，覆盖该基材的氧储存层和含有储氧材料的催化剂层，以及覆盖该氧储存层的催化剂层，其包含钯，铑和负载有载体的催化剂层，金属浓度高于储氧层。

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