公开(公告)号：US07576032B2

公开(公告)日：2009-08-18

申请号：US10583153

申请日：2004-12-15

申请人： Hirohisa Tanaka ,  Isao Tan ,  Mari Uenishi ,  Masashi Taniguchi

发明人： Hirohisa Tanaka ,  Isao Tan ,  Mari Uenishi ,  Masashi Taniguchi

IPC分类号： B01J23/02 ,  B01J23/06 ,  B01J23/00 ,  B01J23/10 ,  B01J23/42 ,  B01J23/44

CPC分类号： B01D53/945 ,  B01D2255/402 ,  B01J23/002 ,  B01J23/58 ,  B01J23/63 ,  B01J23/8946 ,  B01J35/002 ,  B01J35/1009 ,  B01J35/1014 ,  B01J2523/00 ,  B82Y30/00 ,  C01G55/002 ,  C01P2002/34 ,  C01P2002/72 ,  C01P2004/03 ,  C01P2004/04 ,  C01P2004/64 ,  C01P2006/12 ,  Y02T10/22 ,  B01J2523/25 ,  B01J2523/47 ,  B01J2523/822 ,  B01J2523/24 ,  B01J2523/31 ,  B01J2523/828 ,  B01J2523/23 ,  B01J2523/48 ,  B01J2523/821 ,  B01J2523/842 ,  B01J2523/3706 ,  B01J2523/22

摘要： A catalyst composition which prevents deterioration due to grain growth of Rh and/or Pt, includes a perovskite-type composite oxide represented by the following general formula (1): A1−xA′xB1−(y+z)B′yNzO3  (1) wherein A represents at least one element selected from alkaline earth metals; A′ represents at least one element selected from rare earth elements; B represents at least one element selected from Ti, Zr, and Hf; B′ represents at least one element selected from transition elements (excluding rare earth elements, Ti, Zr, Hf, Rh, and Pt) and Al; N represents at least one element selected from Rh and Pt; x represents an atomic ratio satisfying the following condition: 0≦x≦0.4; y represents an atomic ratio satisfying the following condition: 0≦y

摘要翻译： 防止由Rh和/或Pt的晶粒生长引起的劣化的催化剂组合物包括由以下通式（1）表示的钙钛矿型复合氧化物：<？在线配方说明=“在线配方”末端 =“lead”→A1-xA'xB1-（y + z）B'yNzO3（1）<？在线公式描述=“在线公式”end =“tail”？>其中A表示至少 一种选自碱土金属的元素; A'表示选自稀土元素中的至少一种元素; B表示选自Ti，Zr和Hf中的至少一种元素; B'表示选自过渡元素（不包括稀土元素，Ti，Zr，Hf，Rh和Pt）和Al的至少一种元素; N表示选自Rh和Pt中的至少一种元素; x表示满足以下条件的原子比：0 <= x <= 0.4; y表示满足以下条件的原子比：0 <= y <0.5; z表示满足以下条件的原子比：0

公开(公告)号：US20070292329A1

公开(公告)日：2007-12-20

申请号：US11667083

申请日：2005-10-31

申请人： Hirohisa Tanaka ,  Isao Tan ,  Mari Uenishi ,  Masashi Taniguchi

发明人： Hirohisa Tanaka ,  Isao Tan ,  Mari Uenishi ,  Masashi Taniguchi

IPC分类号： C01G55/00 ,  B01D53/94 ,  B01J23/58 ,  B01J23/63 ,  B01J23/89 ,  B01J37/08

CPC分类号： B01J37/031 ,  B01D53/945 ,  B01D2255/102 ,  B01D2255/402 ,  B01J23/002 ,  B01J23/02 ,  B01J23/10 ,  B01J23/58 ,  B01J23/63 ,  B01J23/83 ,  B01J23/894 ,  B01J37/033 ,  B01J2523/00 ,  C01G23/002 ,  C01G25/006 ,  C01G49/0054 ,  C01G51/006 ,  C01G55/002 ,  C01P2002/34 ,  C01P2002/52 ,  C01P2002/54 ,  C01P2004/84 ,  Y02T10/22 ,  B01J2523/36 ,  B01J2523/3712 ,  B01J2523/48 ,  B01J2523/828 ,  B01J2523/3706 ,  B01J2523/824 ,  B01J2523/842 ,  B01J2523/845 ,  B01J2523/23 ,  B01J2523/47 ,  B01J2523/822 ,  B01J2523/3725

摘要： An object of the present invention is to provide a method for producing a noble metal-containing heat-resistant oxide having excellent durability under a high temperature atmosphere According to the method for producing a noble metal-containing heat-resistant oxide of the present invention, a coordination element material containing coordination elements is blended and the obtained first precursor composition is subjected to a first heat treatment to form a first heat-treated composition (crystal lattice) such as a perovskite-type composite oxide or a fluorite-type composite oxide. Then, a noble metal element material containing a noble metal element such as Pt, Rh or Pd is blended with the first heat-treated composition and the secondary precursor composition thus obtained is subjected to a second heat treatment (baking) at a temperature which is higher than that of the first heat treatment and is 600° C. or higher.

摘要翻译： 本发明的目的是提供一种在高温气氛下具有优异的耐久性的含贵金属的耐热氧化物的制造方法。根据本发明的含贵金属的耐热氧化物的制造方法， 混合含有配位元素的配位元素材料，对所得到的第一前体组合物进行第一次热处理，形成第一热处理组合物（晶格），例如钙钛矿型复合氧化物或萤石型复合氧化物。 然后，将含有贵金属元素如Pt，Rh或Pd的贵金属元素材料与第一热处理组合物共混，并将得到的二次前体组合物在如下温度下进行第二次热处理（烘烤） 高于第一热处理，为600℃以上。

公开(公告)号：US20050233897A1

公开(公告)日：2005-10-20

申请号：US10519980

申请日：2003-07-03

申请人： Hirohisa Tanaka ,  Isao Tan ,  Mari Uenishi ,  Nobuhiko Kajita ,  Masashi Taniguchi

发明人： Hirohisa Tanaka ,  Isao Tan ,  Mari Uenishi ,  Nobuhiko Kajita ,  Masashi Taniguchi

IPC分类号： B01D53/86 ,  B01D53/94 ,  B01J21/04 ,  B01J21/06 ,  B01J23/00 ,  B01J23/63 ,  B01J23/656 ,  B01J23/68 ,  B01J23/89 ,  B01J35/00 ,  B01J37/02 ,  B01J37/03 ,  B01J37/08 ,  C01G55/00 ,  B01J23/10

CPC分类号： B01J37/033 ,  B01D53/945 ,  B01D2255/1025 ,  B01D2255/402 ,  B01J21/04 ,  B01J21/066 ,  B01J23/002 ,  B01J23/63 ,  B01J23/6562 ,  B01J23/688 ,  B01J23/894 ,  B01J23/8946 ,  B01J23/8986 ,  B01J35/002 ,  B01J37/0244 ,  B01J37/0248 ,  B01J37/08 ,  B01J2523/00 ,  C01G55/002 ,  C01P2002/34 ,  C01P2002/54 ,  C01P2004/80 ,  C01P2006/12 ,  C01P2006/80 ,  Y02T10/22 ,  B01J2523/3706 ,  B01J2523/3712 ,  B01J2523/3725 ,  B01J2523/72 ,  B01J2523/822 ,  B01J2523/842 ,  B01J2523/31 ,  B01J2523/3718 ,  B01J2523/36

摘要： To provide an exhaust gas purifying catalyst which can maintain the catalytic activity of Rh at a high level over a long time and can achieve satisfactory emission control performance, an exhaust gas purifying catalyst is prepared so as to contain a composite oxide having a perovskite structure represented by the general formula (1): ABRhO3  (1) wherein A represents at least one element selected from rare-earth elements essentially including one or more rare-earth elements each having a valence of 3 as the only valence and arbitrarily including Ce and/or Pr; and B represents at least one element selected from transition elements excluding Co, Rh and the rare-earth elements, and Al.

摘要翻译： 为了提供能够长时间保持Rh的高水平的催化活性并能够达到令人满意的排放控制性能的废气净化催化剂，制备废气净化催化剂，以含有代表性的钙钛矿结构的复合氧化物 通过通式（1）：<？in-line-formula description =“In-line Formulas”end =“lead”？> ABRhO 3 （1）<？in-line-formula description =“在线式”末端=“尾”→其中A表示选自稀土元素中的至少一种元素，其基本上包括一种或多种稀土元素，其各自的价数为3，并且任意包括Ce 和/或Pr; B表示选自Co，Rh和稀土类元素以外的过渡元素中的至少一种元素，Al表示。

公开(公告)号：US06620762B2

公开(公告)日：2003-09-16

申请号：US09902570

申请日：2001-07-12

申请人： Isao Tan ,  Mari Uenishi ,  Hirohisa Tanaka

发明人： Isao Tan ,  Mari Uenishi ,  Hirohisa Tanaka

IPC分类号： B01J2363

CPC分类号： B01D53/945 ,  B01D53/9454 ,  B01J23/10 ,  B01J23/63 ,  B01J37/0244 ,  Y02T10/22

摘要： To provide an exhaust gas purifying catalyst that can develop good catalytic activity even in high-temperature endurance and also produce excellent low-temperature property, a coating layer having an outside layer and an inside layer is formed on a catalyst carrier, the outside layer being made to contain a noble metal previously supported on a heat-resisting oxide and a cerium complex oxide, and the inside layer being made to contain a heat-resisting oxide on which no noble metal is supported.

公开(公告)号：US07081430B2

公开(公告)日：2006-07-25

申请号：US10481572

申请日：2002-06-18

申请人： Mari Uenishi ,  Isao Tan ,  Hirohisa Tanaka

发明人： Mari Uenishi ,  Isao Tan ,  Hirohisa Tanaka

IPC分类号： B01J23/00 ,  B01J23/42 ,  B01J23/56 ,  B01J20/00 ,  B01J21/00

CPC分类号： B01J21/066 ,  B01D53/945 ,  B01J21/04 ,  B01J23/10 ,  B01J23/63 ,  B01J23/6484 ,  B01J35/04 ,  B01J37/0228 ,  B01J37/0244 ,  B01J37/0248 ,  B01J37/033 ,  Y02T10/22

摘要： An exhaust gas purifying catalyst that provides the excellent low-temperature activity and also develops the good catalytic activity of rhodium to produce a good purifying performance economically. The exhaust gas purifying catalyst comprises an alumina on which rhodium and platinum are previously supported; a zirconium complex oxide on which rhodium and platinum are previously supported; and a cerium complex oxide on which platinum is previously supported.

摘要翻译： 一种提供优异的低温活性并且还具有良好的铑催化活性的废气净化催化剂，经济地产生良好的净化性能。 废气净化催化剂包括其上预先负载有铑和铂的氧化铝; 预先负载有铑和铂的锆复合氧化物; 和其中预先支持铂的铈复合氧化物。

公开(公告)号：US06808687B1

公开(公告)日：2004-10-26

申请号：US09577080

申请日：2000-05-23

申请人： Mari Uenishi ,  Isao Tan ,  Hirohisa Tanaka

发明人： Mari Uenishi ,  Isao Tan ,  Hirohisa Tanaka

IPC分类号： B01J2104

CPC分类号： B01J37/0244 ,  B01D53/945 ,  B01J21/04 ,  B01J21/06 ,  B01J23/002 ,  B01J23/10 ,  B01J23/40 ,  Y02T10/22

摘要： A catalytic converter for cleaning exhaust gas includes a first coating layer formed on a heat-resistant support, and a second coating layer formed on the first coating layer. The first coating layer contains alumina which supports palladium. The second coating layer contains Ce—Zr complex oxide which coexistently carries platinum and rhodium, and Zr—Ce complex oxide which differs in composition from the Ce—Zr complex oxide and which coexistently carries platinum and rhodium.

摘要翻译： 一种用于净化废气的催化转化器包括形成在耐热载体上的第一涂层和形成在第一涂层上的第二涂层。 第一涂层含有负载钯的氧化铝。 第二涂层含有共同携带铂和铑的Ce-Zr复合氧化物，以及组成与Ce-Zr复合氧化物不同的共同携带铂和铑的Zr-Ce复合氧化物。

公开(公告)号：US07297654B2

公开(公告)日：2007-11-20

申请号：US11517852

申请日：2006-09-07

申请人： Mareo Kimura ,  Naoto Miyoshi ,  Hirohisa Tanaka ,  Isao Tan

发明人： Mareo Kimura ,  Naoto Miyoshi ,  Hirohisa Tanaka ,  Isao Tan

IPC分类号： B01J23/00 ,  B01J21/00 ,  B01J20/00

CPC分类号： B01D53/945 ,  B01J23/002 ,  B01J23/58 ,  B01J23/63 ,  B01J37/0244 ,  B01J2523/00 ,  Y02T10/22 ,  B01J2523/3706 ,  B01J2523/3712 ,  B01J2523/48

摘要： An exhaust gas-purifying catalyst includes a carrier, and an active component formed of a noble metal, carried by the carrier. The carrier has a core portion comprising a cubic or tetragonal stabilized zirconia-based composite oxide containing at least one stabilizing element, and a surface layer portion including a heat resistant zirconia-based composite oxide formed on a surface of the core portion. The surface layer has a specific surface area which is larger than a specific surface area of the core portion. A part of the noble metal is solid-solutioned into the zirconia-based composite oxide of the surface layer portion, and the balance of the noble metal is carried on a surface of the surface layer portion.

摘要翻译： 废气净化催化剂包括由载体承载的载体和由贵金属形成的活性成分。 载体具有芯部，其包含含有至少一种稳定化元素的立方晶或四方晶稳定的氧化锆类复合氧化物，以及包含在芯部表面上形成的耐热氧化锆类复合氧化物的表面层部分。 表面层的比表面积大于芯部的比表面积。 将贵金属的一部分固溶在表层部的氧化锆系复合氧化物中，余量由贵金属的载体承载在表层部的表面上。

公开(公告)号：US20070004589A1

公开(公告)日：2007-01-04

申请号：US11517852

申请日：2006-09-07

申请人： Mareo Kimura ,  Naoto Miyoshi ,  Hirohisa Tanaka ,  Isao Tan

发明人： Mareo Kimura ,  Naoto Miyoshi ,  Hirohisa Tanaka ,  Isao Tan

IPC分类号： B01J23/00

CPC分类号： B01D53/945 ,  B01J23/002 ,  B01J23/58 ,  B01J23/63 ,  B01J37/0244 ,  B01J2523/00 ,  Y02T10/22 ,  B01J2523/3706 ,  B01J2523/3712 ,  B01J2523/48

摘要： An exhaust gas-purifying catalyst includes a carrier, and an active component formed of a noble metal, carried by the carrier. The carrier has a core portion comprising a cubic or tetragonal stabilized zirconia-based composite oxide containing at least one stabilizing element, and a surface layer portion including a heat resistant zirconia-based composite oxide formed on a surface of the core portion. The surface layer has a specific surface area which is larger than a specific surface area of the core portion. A part of the noble metal is solid-solutioned into the zirconia-based composite oxide of the surface layer portion, and the balance of the noble metal is carried on a surface of the surface layer portion.

公开(公告)号：US06881384B1

公开(公告)日：2005-04-19

申请号：US09649070

申请日：2000-08-29

申请人： Mari Uenishi ,  Isao Tan ,  Hirohisa Tanaka

发明人： Mari Uenishi ,  Isao Tan ,  Hirohisa Tanaka

IPC分类号： B01D53/94 ,  B01J23/63 ,  B01J37/02 ,  B01J23/10 ,  B01J21/04 ,  B01J21/06 ,  B01J23/40

CPC分类号： B01D53/945 ,  B01J23/63 ,  B01J37/0244 ,  Y02T10/22

摘要： A catalytic converter for cleaning exhaust gas includes a heat-resistant support, and a catalytic coating formed on the heat-resistant support. The catalytic coating contains zirconium complex oxide on which Pt and Rh are coexistently carried, and cerium complex oxide on which Pt and Rh are coexistently carried. The Pt- and Rh-carrying zirconium complex oxide and the Pt- and Rh-carrying cerium complex oxide are contained in a same layer of the catalytic coating.

摘要翻译： 用于清洁废气的催化转化器包括耐热载体和形成在耐热载体上的催化涂层。 催化剂涂层含有共同承载Pt和Rh的锆复合氧化物和Pt和Rh共同承载的铈复合氧化物。 载有Pt和Rh的锆复合氧化物和负载Pt和Rh的铈复合氧化物被包含在催化涂层的同一层中。

公开(公告)号：US06864214B2

公开(公告)日：2005-03-08

申请号：US09960325

申请日：2001-09-24

申请人： Mari Uenishi ,  Isao Tan ,  Hirohisa Tanaka

发明人： Mari Uenishi ,  Isao Tan ,  Hirohisa Tanaka

IPC分类号： B01D53/94 ,  B01J23/58 ,  B01J23/63 ,  B01J23/00 ,  B01J8/02 ,  B01J23/42 ,  B01J23/44

CPC分类号： B01D53/945 ,  B01J23/58 ,  B01J23/63 ,  Y02T10/22

摘要： To provide an exhaust gas purifying catalyst that requires a smallest possible quantity of rhodium for developing the activity effectively, so as to produce an excellent purifying performance economically, a zirconium complex oxide on which rhodium and platinum are previously supported, and a cerium complex oxide on which platinum and/or palladium are previously supported are contained in an exhaust gas purifying catalyst.

摘要翻译： 为了提供一种排气净化催化剂，其需要尽可能少的铑以有效地发挥活性，从而经济地产生优异的纯化性能，预先负载有铑和铂的锆复合氧化物和铈复合氧化物 预先负载有铂和/或钯的废气净化催化剂。