公开(公告)号：US08580706B2

公开(公告)日：2013-11-12

申请号：US13301859

申请日：2011-11-22

Applicant: Satoshi Matsueda ,  Akimasa Hirai ,  Kenichi Taki ,  Yuji Yabuzaki

Inventor： Satoshi Matsueda ,  Akimasa Hirai ,  Kenichi Taki ,  Yuji Yabuzaki

IPC: B01J23/00 ,  B01J21/00

CPC classification number: B01J37/0244 ,  B01D53/945 ,  B01D2255/1021 ,  B01D2255/1023 ,  B01D2255/1025 ,  B01D2255/2042 ,  B01D2255/2065 ,  B01D2255/20715 ,  B01D2255/407 ,  B01D2255/9022 ,  B01J23/58 ,  B01J37/0219 ,  F01N2370/02 ,  F01N2510/06 ,  F01N2510/0684 ,  Y02T10/22

Abstract: An exhaust gas-purifying catalyst according to the present invention includes a substrate, a first catalytic layer facing the substrate and includes at least one precious metal selected from the group consisting of palladium and platinum, and alumina doped with an alkaline-earth metal element, and a second catalytic layer facing the substrate with the first catalytic layer interposed therebetween or intervening between the substrate and the first catalytic layer, the second catalytic layer includes rhodium and alumina doped with the alkaline-earth metal element.

Abstract translation: 根据本发明的废气净化催化剂包括基材，面向基材的第一催化剂层，并且包括选自钯和铂中的至少一种贵金属和掺杂有碱土金属元素的氧化铝， 以及第二催化剂层，其中所述第一催化剂层位于所述基板之间或介于所述基板和所述第一催化剂层之间，所述第二催化剂层包括掺杂有所述碱土金属元素的铑和氧化铝。

公开(公告)号：US08318632B2

公开(公告)日：2012-11-27

申请号：US13163341

申请日：2011-06-17

Applicant: Satoshi Matsueda ,  Akimasa Hirai ,  Kenichi Taki ,  Keiichi Narita ,  Yuji Yabuzaki ,  Daisuke Ochiai

Inventor： Satoshi Matsueda ,  Akimasa Hirai ,  Kenichi Taki ,  Keiichi Narita ,  Yuji Yabuzaki ,  Daisuke Ochiai

IPC: B01J23/00 ,  B01J21/00 ,  B01J20/00 ,  B01J29/00 ,  B01J35/00 ,  B01J37/00

CPC classification number: F01N3/10 ,  B01D53/945 ,  B01D2255/1021 ,  B01D2255/1023 ,  B01D2255/1025 ,  B01D2255/2042 ,  B01D2255/407 ,  B01D2255/9022 ,  B01J23/02 ,  B01J23/58 ,  B01J23/63 ,  B01J35/002 ,  B01J37/0234 ,  B01J37/0244 ,  B01J37/031 ,  F01N3/0814 ,  F01N3/0864 ,  F01N2370/02 ,  F01N2510/06 ,  F01N2510/0684 ,  F01N2570/14 ,  Y02T10/22

Abstract: An exhaust gas purification catalyst includes a substrate, and a first catalyst layer formed on the substrate, the first catalyst layer containing palladium and/or platinum and alumina doped with an alkaline-earth metal element. The exhaust gas purification catalyst has a correlation coefficient ρAl,AE given by the following formula of 0.75 or more: ρ Al , AE = C Al , AE σ Al ⁢ σ AE . ( 1 )

Abstract translation: 废气净化催化剂包括基板和形成在基板上的第一催化剂层，含有钯和/或铂的第一催化剂层和掺杂有碱土金属元素的氧化铝。 废气净化催化剂具有以下公式为0.75以上的相关系数α：Al，AE：＆rgr; Al，AE = C A1，AE＆sgr; Al＆sgr; AE。 （1）

公开(公告)号：US20120122672A1

公开(公告)日：2012-05-17

申请号：US13356203

申请日：2012-01-23

Applicant: Satoshi Matsueda ,  Akimasa Hirai ,  Kenichi Taki ,  Keiichi Narita ,  Asuka Hori ,  Masahiro Kusaka

Inventor： Satoshi Matsueda ,  Akimasa Hirai ,  Kenichi Taki ,  Keiichi Narita ,  Asuka Hori ,  Masahiro Kusaka

IPC: B01J23/10 ,  B01J23/63

CPC classification number: B01D53/945 ,  B01D2255/1021 ,  B01D2255/1023 ,  B01D2255/2061 ,  B01D2255/2063 ,  B01D2255/2065 ,  B01D2255/2068 ,  B01D2255/407 ,  B01D2255/908 ,  B01J23/002 ,  B01J23/63 ,  B01J35/002 ,  B01J37/0009 ,  B01J37/031 ,  B01J2523/00 ,  F01N3/0864 ,  F01N3/10 ,  F01N2370/02 ,  Y02T10/20 ,  Y02T10/22 ,  B01J2523/36 ,  B01J2523/3706 ,  B01J2523/3712 ,  B01J2523/48 ,  B01J2523/822 ,  B01J2523/47 ,  B01J2523/824 ,  B01J2523/828 ,  B01J2523/3725 ,  B01J2523/69 ,  B01J2523/41

Abstract: An exhaust gas-purifying catalyst includes first particles of oxygen storage material, second particles of one or more rare-earth elements other than cerium and/or compounds thereof interposed between the first particles, and third particles of one or more precious metal elements interposed between the first particles, wherein a spectrum of a characteristic X-ray intensity for one of the rare-earth element(s) and a spectrum of a characteristic X-ray intensity for one of the precious metal element(s) that are obtained by performing a line analysis using energy-dispersive X-ray spectrometry along a length of 500 nm have a correlation coefficient of 0.68 or more.

Abstract translation: 废气净化催化剂包括第一颗粒的储氧材料，一个或多个除铈之外的稀土元素的第二颗粒和/或介于第一颗粒之间的化合物，以及介于第一颗粒之间的一种或多种贵金属元素的第三颗粒 第一颗粒，其中稀土元素之一的特征X射线强度的光谱和贵金属元素之一的特征X射线强度的光谱是通过执行 使用沿着500nm长度的能量色散X射线光谱法的线分析具有0.68以上的相关系数。

公开(公告)号：US07956005B2

公开(公告)日：2011-06-07

申请号：US12058654

申请日：2008-03-28

Applicant: Satoshi Matsueda ,  Mareo Kimura ,  Keiichi Narita

Inventor： Satoshi Matsueda ,  Mareo Kimura ,  Keiichi Narita

IPC: B01J23/00 ,  B01J23/10 ,  B01J23/42 ,  B01J23/44 ,  B01J23/02 ,  B01J23/06 ,  B01D53/56 ,  B01D53/94 ,  B01J8/02 ,  C01B21/00 ,  C01B23/00 ,  C01B25/00 ,  C01B31/00 ,  C01B33/00 ,  C01B35/00 ,  C01G28/00 ,  C01G30/00

CPC classification number: B01J23/63 ,  B01D53/945 ,  B01D2255/204 ,  B01D2255/2047 ,  B01D2255/206 ,  B01D2255/402 ,  B01J21/005 ,  Y02T10/22

Abstract: An object of the present invention is to provide an exhaust gas-purifying catalyst containing a composite oxide catalyst and a refractory support and being less prone to cause a decrease in its activity even when used at high temperatures in an atmosphere with high oxygen concentration. An exhaust gas-purifying catalyst includes a composite oxide catalyst containing rare-earth element, alkaline-earth element and precious metal, a part of the rare-earth element and a part of the alkaline-earth element forming composite oxide, and the composite oxide and a part of the precious metal forming solid solution, and a refractory support supporting the composite oxide catalyst and including at least one of a first composite oxide represented by a general formula AB2O4, a second composite oxide having perovskite structure represented by a general formula LMO3, and a third composite oxide having pyrochlore structure represented by a general formula X2Y2O7.

Abstract translation: 本发明的目的是提供一种含有复合氧化物催化剂和耐火载体的废气净化催化剂，即使在高氧浓度的气氛中在高温下使用也不易引起其活性降低。 废气净化催化剂包括含有稀土元素，碱土金属元素和贵金属的复合氧化物催化剂，稀土元素的一部分和形成碱土金属元素的复合氧化物的一部分，复合氧化物 和形成贵金属的固体溶液的一部分，以及负载该复合氧化物催化剂的耐火载体，并且包括由通式AB 2 O 4表示的第一复合氧化物中的至少一种，具有由通式LMO3表示的钙钛矿结构的第二复合氧化物 ，以及具有由通式X2Y2O7表示的烧绿石结构的第三复合氧化物。

公开(公告)号：US20100298132A1

公开(公告)日：2010-11-25

申请号：US12848796

申请日：2010-08-02

Applicant: Satoshi Matsueda ,  Mareo Kimura ,  Akiya Chiba ,  Hiroki Nagashima ,  Naoto Miyoshi ,  Kazunobu Ishibashi ,  Takaaki Kanazawa

Inventor： Satoshi Matsueda ,  Mareo Kimura ,  Akiya Chiba ,  Hiroki Nagashima ,  Naoto Miyoshi ,  Kazunobu Ishibashi ,  Takaaki Kanazawa

IPC: B01J23/10

CPC classification number: B01J23/63 ,  B01D53/9445 ,  B01D53/945 ,  B01D2255/10 ,  B01D2255/204 ,  B01D2255/206 ,  B01D2255/20715 ,  B01D2255/40 ,  B01J23/002 ,  B01J23/10 ,  B01J35/1014 ,  B01J37/0205 ,  B01J37/03 ,  B01J37/08 ,  B01J2523/00 ,  Y02T10/22 ,  B01J2523/25 ,  B01J2523/3712 ,  B01J2523/48 ,  B01J2523/828 ,  B01J2523/3706 ,  B01J2523/3718 ,  B01J2523/37

Abstract: An exhaust gas-purifying catalyst (1) contains a rare-earth element, an alkaline-earth element, zirconium and a precious metal, an atomic ratio of the alkaline-earth element with respect to the sum of the rare-earth element and the zirconium is equal to 0.1 atomic % or higher and lower than 10 atomic %, a part of the rare-earth element, a part of the zirconium and at least a part of the alkaline-earth element forming a composite oxide, and the composite oxide and a part of precious metal forming a solid solution.

Abstract translation: 废气净化催化剂（1）含有稀土元素，碱土金属元素，锆和贵金属，碱土元素的原子比相对于稀土元素和 锆等于0.1原子％以上且低于10原子％，一部分稀土元素，一部分锆和至少一部分形成复合氧化物的碱土金属的复合氧化物 和一部分贵金属形成固溶体。

公开(公告)号：US07795170B2

公开(公告)日：2010-09-14

申请号：US12227858

申请日：2007-04-23

Applicant: Hirohisa Tanaka ,  Isao Tan ,  Mari Uenishi ,  Masashi Taniguchi ,  Mareo Kimura ,  Satoshi Matsueda ,  Akimasa Hirai ,  Keiichi Narita

Inventor： Hirohisa Tanaka ,  Isao Tan ,  Mari Uenishi ,  Masashi Taniguchi ,  Mareo Kimura ,  Satoshi Matsueda ,  Akimasa Hirai ,  Keiichi Narita

IPC: B01J23/10

CPC classification number: B01J23/002 ,  B01D2255/402 ,  B01J23/10 ,  B01J23/63 ,  B01J23/894 ,  B01J37/0215 ,  B01J37/0242 ,  B01J37/0244 ,  B01J37/0248 ,  B01J37/033 ,  B01J2523/00 ,  B01J2523/3706 ,  B01J2523/824 ,  B01J2523/842 ,  B01J2523/3712 ,  B01J2523/3725 ,  B01J2523/48 ,  B01J2523/822 ,  B01J2523/36 ,  B01J2523/23 ,  B01J2523/828

Abstract: Provided is a catalyst with a noble metal efficiently supported on the surfacemost thereof. A composite oxide-containing layer is formed on a catalyst carrier so as to contain a perovskite-type composite oxide represented by the following general formula (1) and an other composite oxide, and a noble metal layer is further formed on the catalyst carrier so as to be supported on the surfacemost of the catalyst carrier by immersing the catalyst carrier formed with the composite oxide-containing layer in an aqueous noble metal salt solution to impregnate the catalyst carrier with the aqueous noble metal salt solution: AxByO3±δ  (1) (wherein A represents at least one element selected from rare earth elements and alkaline earth metals; B represents at least one element selected from transition elements (excluding rare earth elements); x represents an atomic ratio of less than 1; y represents an atomic ratio of 1.0; and δ represents an oxygen excess or an oxygen deficiency.)

Abstract translation: 提供一种贵金属的催化剂，其有效地支撑在其表面的最表面上。 在催化剂载体上形成复合氧化物层，以含有由以下通式（1）表示的钙钛矿型复合氧化物和其它复合氧化物，并且在催化剂载体上进一步形成贵金属层 通过将形成有复合氧化物的层的催化剂载体浸渍在贵金属盐水溶液中以使贵金属盐水溶液浸渍催化剂载体：AxByO3±δ（1）来担载在催化剂载体的最表面上， （其中A表示选自稀土元素和碱土金属中的至少一种元素; B表示选自过渡元素（不包括稀土元素）中的至少一种元素; x表示小于1的原子比; y表示原子比 为1.0;δ表示氧过量或缺氧。）

公开(公告)号：US20080318770A1

公开(公告)日：2008-12-25

申请号：US11794794

申请日：2006-06-14

Applicant: Satoshi Matsueda ,  Mareo Kimura ,  Akiya Chiba ,  Hiroki Nagashima ,  Naoto Miyoshi ,  Kazunobu Ishibashi ,  Takaaki Kanazawa

Inventor： Satoshi Matsueda ,  Mareo Kimura ,  Akiya Chiba ,  Hiroki Nagashima ,  Naoto Miyoshi ,  Kazunobu Ishibashi ,  Takaaki Kanazawa

IPC: B01J23/10 ,  B01J23/02

CPC classification number: B01J23/63 ,  B01D53/9445 ,  B01D53/945 ,  B01D2255/10 ,  B01D2255/204 ,  B01D2255/206 ,  B01D2255/20715 ,  B01D2255/40 ,  B01J23/002 ,  B01J23/10 ,  B01J35/1014 ,  B01J37/0205 ,  B01J37/03 ,  B01J37/08 ,  B01J2523/00 ,  Y02T10/22 ,  B01J2523/25 ,  B01J2523/3712 ,  B01J2523/48 ,  B01J2523/828 ,  B01J2523/3706 ,  B01J2523/3718 ,  B01J2523/37

Abstract: An exhaust gas-purifying catalyst (1) contains a rare-earth element, an alkaline-earth element, zirconium and a precious metal, an atomic ratio of the alkaline-earth element with respect to the sum of the rare-earth element and the zirconium is equal to 0.1 atomic % or higher and lower than 10 atomic %, a part of the rare-earth element, a part of the zirconium and at least a part of the alkaline-earth element forming a composite oxide, and the composite oxide and a part of precious metal forming a solid solution.

Abstract translation: 废气净化催化剂（1）含有稀土元素，碱土金属元素，锆和贵金属，碱土元素的原子比相对于稀土元素和 锆等于0.1原子％以上且低于10原子％，一部分稀土元素，一部分锆和至少一部分形成复合氧化物的碱土金属的复合氧化物 和一部分贵金属形成固溶体。

公开(公告)号：US20060252638A1

公开(公告)日：2006-11-09

申请号：US11482685

申请日：2006-07-06

Applicant: Satoshi Matsueda ,  Mareo Kimura ,  Yoshinori Ishii ,  Naoto Miyoshi

Inventor： Satoshi Matsueda ,  Mareo Kimura ,  Yoshinori Ishii ,  Naoto Miyoshi

IPC: B01J23/00

CPC classification number: C01G55/00 ,  B01D53/9422 ,  B01D53/945 ,  B01D2255/1021 ,  B01D2255/2042 ,  B01D2255/2065 ,  B01J23/002 ,  B01J23/63 ,  B01J35/0006 ,  B01J2523/00 ,  C01G55/002 ,  Y02T10/22 ,  B01J2523/25 ,  B01J2523/3712 ,  B01J2523/828

Abstract: An exhaust gas-purifying catalyst includes a rare-earth element, an alkaline-earth element, and a precious metal. A part of the rare-earth element and a part of the alkaline-earth element form a composite oxide. The composite oxide and a part of the precious metal form a solid solution.

Abstract translation: 废气净化催化剂包括稀土元素，碱土金属元素和贵金属。 稀土元素的一部分和一部分碱土元素形成复合氧化物。 复合氧化物和贵金属的一部分形成固溶体。

公开(公告)号：US20050215428A1

公开(公告)日：2005-09-29

申请号：US11057902

申请日：2005-02-14

Applicant: Satoshi Matsueda ,  Mareo Kimura ,  Naoto Miyoshi

Inventor： Satoshi Matsueda ,  Mareo Kimura ,  Naoto Miyoshi

IPC: F01N3/10 ,  B01D53/94 ,  B01J23/00 ,  B01J23/46 ,  B01J23/58 ,  B01J23/63 ,  B01J37/00 ,  B01J37/02 ,  B01J37/08

CPC classification number: B01D53/945 ,  B01J23/002 ,  B01J23/464 ,  B01J23/58 ,  B01J23/63 ,  B01J37/0009 ,  B01J37/0205 ,  B01J37/0207 ,  B01J37/0248 ,  B01J37/08 ,  B01J2523/00 ,  Y02T10/22 ,  B01J2523/3706 ,  B01J2523/48 ,  B01J2523/822 ,  B01J2523/828 ,  B01J2523/824 ,  B01J2523/31 ,  B01J2523/3712

Abstract: An exhaust gas-purifying catalyst includes a support and a catalyst active component including at least one noble metal supported by at least a portion of the support. The support includes a stabilized zirconia containing at least one stabilizing element selected from rare earth elements and alkaline earth elements. 20 to 80% by weight of a total amount of the active component is supported in the support in a form of solid solution with the stabilized zirconia, and 80 to 20% by weight of a total amount of the active component is supported on a surface of at least a portion of the support.

Abstract translation: 废气净化催化剂包括载体和包含至少一种由至少一部分载体负载的贵金属的催化剂活性组分。 载体包括稳定的氧化锆，其含有至少一种选自稀土元素和碱土金属元素的稳定元素。 活性成分总量的20〜80重量％以稳定化的氧化锆的固溶体的形式负载在载体上，活性成分的总量的80〜20重量％负载在表面 的至少一部分支撑件。

公开(公告)号：US20140235431A1

公开(公告)日：2014-08-21

申请号：US14259933

申请日：2014-04-23

Applicant: Satoshi Matsueda ,  Akimasa Hirai ,  Kenichi Taki ,  Yuji Yabuzaki

Inventor： Satoshi Matsueda ,  Akimasa Hirai ,  Kenichi Taki ,  Yuji Yabuzaki

IPC: B01J27/053 ,  B01D53/94 ,  B01J31/26

CPC classification number: B01D53/944 ,  B01D53/945 ,  B01D2255/1021 ,  B01D2255/1023 ,  B01D2255/1025 ,  B01D2255/204 ,  B01D2255/2042 ,  B01D2255/2092 ,  B01D2255/407 ,  B01D2255/9022 ,  B01D2255/908 ,  B01D2255/9202 ,  B01J23/58 ,  B01J27/053 ,  B01J31/26 ,  B01J35/023 ,  B01J37/0215 ,  B01J37/0219 ,  B01J37/0244 ,  F01N2370/02 ,  F01N2510/06 ,  F01N2510/0684 ,  Y02T10/22

Abstract: An exhaust gas-purifying catalyst includes a substrate, and a catalytic layer facing the substrate and including a precious metal, alumina, an oxygen storage material, and a sulfate of an alkaline-earth metal having an average particle diameter falling within a range of 0.01 to 0.70 μm, the average particle diameter being obtained by observation using a scanning electron microscope. Another exhaust gas-purifying catalyst includes a substrate, and a catalytic layer formed on the substrate using slurry containing a precious metal, alumina, an oxygen storage material, and a sulfate of an alkaline-earth metal having an average particle diameter falling within a range of 0.01 to 0.70 μm, the average particle diameter being obtained by observation using a scanning electron microscope.

Abstract translation: 废气净化催化剂包括基材和面向基材的催化剂层，并且包含贵金属，氧化铝，储氧材料和平均粒径在0.01以下的碱土金属的硫酸盐 通过使用扫描型电子显微镜观察得到的平均粒径为0.70μm。 另一种废气净化催化剂包括基材和使用含有贵金属，氧化铝，储氧材料和平均粒径落在一定范围内的碱土金属硫酸盐的浆料在基材上形成的催化剂层 为0.01〜0.70μm，通过使用扫描型电子显微镜观察得到的平均粒径。