专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

EP2805919B1 IRON OXIDE-ZIRCONIA COMPOSITE OXIDE AND METHOD FOR PRODUCING SAME, AND EXHAUST GAS PURIFICATION CATALYST 有权
公开(公告)号：EP2805919B1
公开(公告)日：2019-12-18
申请号：EP13781193.1
申请日：2013-04-26
申请人： Toyota Jidosha Kabushiki Kaisha
发明人： MIURA, Masahide , TANAKA, Atsushi , SUZUKI, Tadashi , TANABE, Toshitaka , TAKAHASHI, Naoki , SUZUKI, Takahiro
IPC分类号： B01J23/745 , C01G49/00 , B01J35/00 , B01J21/06 , B01J23/10 , B01J23/83 , B01J23/89 , C01G25/00

2. 发明公开

EP3275547A1 EXHAUST GAS PURIFYING CATALYST 审中-公开
标题翻译：排气净化催化剂
公开(公告)号：EP3275547A1
公开(公告)日：2018-01-31
申请号：EP16772541.5
申请日：2016-03-24
申请人： TOYOTA JIDOSHA KABUSHIKI KAISHA , Cataler Corporation
发明人： SUZUKI Hiromasa , MIURA Masahide , SAITO Yoshinori , KATOH, Satoru , TANABE, Toshitaka , HIRAO, Tetsuhiro , OHASHI, Tatsuya , NAITO, Hiroaki , ORI, Hirotaka , TAKEUCHI, Michihiko , NARITA, Keiichi
IPC分类号： B01J35/10 , B01D53/94 , B01J23/63 , B01J37/02 , F01N3/28 , F01N13/00 , F01N3/10
CPC分类号： B01D53/945 , B01D53/94 , B01D53/9477 , B01D2255/1023 , B01D2255/1025 , B01D2255/407 , B01D2255/9022 , B01D2255/9205 , B01J23/63 , B01J35/023 , B01J35/026 , B01J35/10 , B01J35/1076 , B01J35/108 , B01J37/0018 , B01J37/0036 , B01J37/0219 , B01J37/0234 , B01J37/08 , F01N3/101 , F01N3/28 , F01N3/281 , F01N3/2828 , F01N13/009 , F01N2510/06 , Y02T10/22
摘要： The present invention is directed to address the following problem: in an exhaust gas purification catalyst comprising a dual catalyst of a combination of a startup catalyst and an underfloor catalyst, reduction in the gas diffusivity of the startup catalyst results in reduction in the use efficiency of a catalytic active site, resulting in reduction in purification performance. The present invention relates to an exhaust gas purification catalyst comprising a dual catalyst of a combination of a startup catalyst having a catalyst coating where a large number of voids are included and an underfloor catalyst, wherein high-aspect-ratio pores having an aspect ratio of 5 or more account for a certain rate or more of the whole volume of the voids, to thereby enhance the purification performance of the catalyst.
摘要翻译：本发明旨在解决以下问题：在包括启动催化剂和地板下催化剂的组合的双催化剂的排气净化催化剂中，启动催化剂的气体扩散率的降低导致使用效率降低催化活性位点，导致净化性能降低。本发明涉及一种废气净化催化剂，其包括具有包含大量空隙的催化剂涂层的起动催化剂和地板下催化剂的组合的双重催化剂，其中高纵横比孔隙的纵横比 5以上占空隙总体积的一定比例以上，由此提高催化剂的净化性能。

3. 发明授权

EP3260189B1 EXHAUST GAS PURIFYING CATALYST 有权
公开(公告)号：EP3260189B1
公开(公告)日：2019-11-06
申请号：EP17184322.0
申请日：2010-12-23
申请人： TOYOTA JIDOSHA KABUSHIKI KAISHA , Cataler Corporation
发明人： AOKI, Yuki , YOSHIDA, Takeru , SAKAGAMI, Shingo , KAWAI, Masaaki , HATANAKA, Miho , TANABE, Toshitaka , TAKAHASHI, Naoki
IPC分类号： B01D53/94 , B01J23/63 , B01J37/02 , B01J23/44 , B01J21/06 , B01J27/24

4. 发明公开

EP3260189A1 EXHAUST GAS PURIFYING CATALYST 审中-公开
标题翻译：排气净化催化剂
公开(公告)号：EP3260189A1
公开(公告)日：2017-12-27
申请号：EP17184322.0
申请日：2010-12-23
申请人： TOYOTA JIDOSHA KABUSHIKI KAISHA , Cataler Corporation
发明人： AOKI, Yuki , YOSHIDA, Takeru , SAKAGAMI, Shingo , KAWAI, Masaaki , HATANAKA, Miho , TANABE, Toshitaka , TAKAHASHI, Naoki
IPC分类号： B01D53/94 , B01J23/63 , B01J37/02 , B01J23/44 , B01J21/06 , B01J27/24
摘要： An exhaust gas purifying catalyst includes a substrate (1) that defines an exhaust gas passage; a lower catalyst layer (2) formed over the substrate, and an upper catalyst layer (3) formed over the lower catalyst layer (2). The lower catalyst layer (2) has a lower catalytic precious metal that contains at least one of Pt and Pd, and a lower-layer carrier that supports the lower catalytic precious metal. The upper catalyst layer (3) has an upper catalytic precious metal that contains Rh, and an upper-layer carrier that supports the upper catalytic precious metal. The upper-layer carrier comprises an inorganic mixed oxide that contains Ce, Zr, Al, Nd, and at least one element selected from the group consisting of rare earth elements other than Ce. The inorganic mixed oxide has interior regions containing a mixed aggregate composed of first particles comprising Ce and Zr in a form of a composite oxide, and second particles comprising Al in a form of alumina, and has cover layers containing Nd that cover surfaces of the respective interior regions. The Nd is unevenly present in the cover layers or the Nd is concentrated in the cover layers.
摘要翻译：一种废气净化催化剂，包括限定废气通道的基板（1）形成在基底上的下催化剂层（2），和形成在下催化剂层（2）上的上催化剂层（3）。下催化剂层（2）具有包含Pt和Pd中的至少一种的较低催化贵金属和负载较低催化贵金属的下层载体。上催化剂层（3）具有含Rh的上催化贵金属和负载上催化贵金属的上层载体。上层载体包含含有Ce，Zr，Al，Nd和选自Ce以外的稀土元素中的至少一种元素的无机混合氧化物。所述无机混合氧化物具有内部区域，所述内部区域包含由复合氧化物形式的包含Ce和Zr的第一颗粒和包含Al的氧化铝形式的第二颗粒构成的混合聚集体，并且具有包含Nd的覆盖层，所述覆盖层覆盖各自的表面内部区域。 Nd不均匀地存在于覆盖层中或Nd集中在覆盖层中。

5. 发明授权

EP2029261B1 CATALYST FOR PURIFICATION OF EXHAUST GAS 有权
标题翻译：催化剂的清洁尾气
公开(公告)号：EP2029261B1
公开(公告)日：2010-05-26
申请号：EP07767125.3
申请日：2007-06-12
申请人： Toyota Jidosha Kabushiki Kaisha
发明人： TANABE, Toshitaka , NAGAI, Yasutaka , HATANAKA, Miho , DOHMAE, Kazuhiko , YAMAMOTO, Toshio , TAKAGI, Nobuyuki , IKEDA, Yasuo
IPC分类号： B01D53/94 , B01J23/00 , B01J23/63
CPC分类号： B01D53/945 , B01J23/002 , B01J23/10 , B01J23/58 , B01J23/63 , B01J35/0006 , B01J37/0018 , B01J37/03 , B01J37/04 , B01J2523/00 , Y02T10/22 , B01J2523/25 , B01J2523/48 , B01J2523/828 , B01J2523/3712 , B01J2523/3706

6. 发明公开

EP2036607A1 INORGANIC OXIDE AND EXHAUST GAS PURIFICATION CATALYST MADE BY USING THE SAME 有权
标题翻译：天然气氧化物燃烧器燃烧器卡特彼勒ZUR ABGASREINIGUNG
公开(公告)号：EP2036607A1
公开(公告)日：2009-03-18
申请号：EP07767081.8
申请日：2007-06-08
申请人： Toyota Jidosha Kabushiki Kaisha
发明人： MORIKAWA, Akira , TANABE, Toshitaka , TAKAHASHI, Naoki , YAMAMURA, Kae , YOSHIDA, Takeru , SATO, Akemi
IPC分类号： B01J23/63 , B01D53/94 , C01F7/02 , C01G25/00
CPC分类号： C01B13/363 , B01D53/945 , B01D2255/204 , B01D2255/206 , B01D2255/40 , B01D2255/407 , B01J23/002 , B01J23/63 , B01J35/002 , B01J35/023 , B01J2523/00 , C01G25/02 , Y02T10/22 , B01J2523/31 , B01J2523/3706 , B01J2523/3725 , B01J2523/48 , B01J2523/822
摘要： A particulate inorganic oxide contains an aluminum oxide, a metal oxide forming no composite oxide with an aluminum oxide, and at least one additional element selected from the group consisting of rare earth elements and alkaline earth elements. In the inorganic oxide, a percentage content of the additional element to a total amount of aluminum in the aluminum oxide, a metal element in the metal oxide, and the additional element is in a range from 1.1 at% to 8.0 at% in terms of element content. At least 80% of primary particles in the inorganic oxide have a particle diameter of 100 nm or smaller. At least a part of the primary particles have a surface concentrated region where a percentage content of the additional element is locally increased in a surface layer part thereof. The content of the additional element in the surface concentrated region to a whole amount of the inorganic oxide is in a range from 0.06 % by mass to 0.98 % by mass in terms of oxide amount.
摘要翻译：颗粒状无机氧化物含有氧化铝，不与氧化铝形成复合氧化物的金属氧化物，以及至少一种选自稀土元素和碱土金属元素的附加元素。在无机氧化物中，相对于氧化铝中的铝的总量，金属氧化物中的金属元素和附加元素的添加元素的含量百分比在1.1at％至8.0at％的范围内，以元素内容。无机氧化物中的至少80％的一次粒子的粒径为100nm以下。至少一部分初级颗粒具有表面浓缩区域，其中附加元素的百分比含量在其表面层部分局部增加。表面浓缩区域中的附加元素与无机氧化物的总量的含量相对于氧化物量为0.06质量％〜0.98质量％。

7. 发明公开

EP2029261A1 CATALYST FOR PURIFICATION OF EXHAUST GAS 有权
标题翻译：催化剂的清洁尾气
公开(公告)号：EP2029261A1
公开(公告)日：2009-03-04
申请号：EP07767125.3
申请日：2007-06-12
申请人： Toyota Jidosha Kabushiki Kaisha
发明人： TANABE, Toshitaka , NAGAI, Yasutaka , HATANAKA, Miho , DOHMAE, Kazuhiko , YAMAMOTO, Toshio , TAKAGI, Nobuyuki , IKEDA, Yasuo
IPC分类号： B01D53/94 , B01J23/00 , B01J23/63
CPC分类号： B01D53/945 , B01J23/002 , B01J23/10 , B01J23/58 , B01J23/63 , B01J35/0006 , B01J37/0018 , B01J37/03 , B01J37/04 , B01J2523/00 , Y02T10/22 , B01J2523/25 , B01J2523/48 , B01J2523/828 , B01J2523/3712 , B01J2523/3706
摘要： A catalyst for purification of exhaust gas, comprising: a material (A) which can release a noble metal at a high temperature; and a material (B) which contains a composite oxide of zirconia and/or alumina and at least one element selected from the group consisting of alkaline earth metal elements, rare earth elements and group 3A elements, and which receives the noble metal released from the material (A) at the high temperature.

8. 发明公开

EP3275545A1 EXHAUST GAS PURIFICATION CATALYST 审中-公开
标题翻译：排气净化催化剂
公开(公告)号：EP3275545A1
公开(公告)日：2018-01-31
申请号：EP16772525.8
申请日：2016-03-24
申请人： TOYOTA JIDOSHA KABUSHIKI KAISHA , Cataler Corporation
发明人： SUZUKI Hiromasa , MIURA Masahide , SAITO Yoshinori , KATOH, Satoru , TANABE, Toshitaka , HIRAO, Tetsuhio , OHASHI, Tatsuya , NAITO, Hiroaki , ORI, Hirotaka , TAKEUCHI, Michihiko , NARITA, Keiichi
IPC分类号： B01J35/10 , B01D53/94 , B01J23/63 , B01J35/04 , B01J37/08 , F01N3/28
CPC分类号： F01N3/101 , B01D53/94 , B01D53/945 , B01D2255/10 , B01D2255/9032 , B01D2255/9202 , B01D2255/9205 , B01J23/63 , B01J35/0006 , B01J35/023 , B01J35/026 , B01J35/10 , B01J35/1076 , B01J35/108 , B01J37/0018 , B01J37/0036 , B01J37/0219 , B01J37/0234 , B01J37/08 , F01N3/28 , Y02T10/22
摘要： An object of the present invention is to provide an exhaust gas purification catalyst which can exhibit high durability and warm-up performance. The present invention relates to an exhaust gas purification catalyst comprising a substrate and a catalyst coating layer formed on the substrate, wherein the catalyst coating layer comprises catalyst particles, the catalyst coating layer having an upstream region extending by 40 to 60% of the entire length of the substrate from an upstream end of the catalyst in the direction of an exhaust gas flow and a downstream region corresponding to the remainder portion of the catalyst coating layer, the composition of the catalyst particle of the upstream region being different from that of the downstream region. The upstream region in the direction of an exhaust gas flow has a structure where a void is included in a large number, and furthermore high-aspect-ratio pores having an aspect ratio of 5 or more account for a certain percentage or more of the whole volume of voids. Thus, the exhaust gas purification catalyst exhibits enhanced purification performance.
摘要翻译：本发明的目的是提供一种能够表现出高耐久性和预热性能的废气净化催化剂。本发明涉及一种废气净化催化剂，其包含基材和形成在该基材上的催化剂涂层，其中该催化剂涂层包含催化剂颗粒，该催化剂涂层具有延伸全长的40％至60％的上游区域从排气流方向上的催化剂的上游端和与该催化剂涂层的剩余部分相对应的下游区的基板的上游区域的催化剂颗粒的组成不同于下游地区。废气流方向上的上游区域具有大量含有空隙的结构，并且纵横比为5以上的高纵横比的孔占总体的一定比例以上空隙体积。因此，废气净化催化剂表现出提高的净化性能。

9. 发明公开

EP3263214A1 EXHAUST GAS PURIFICATION CATALYST, MANUFACTURING METHOD THEREFOR, AND EXHAUST GAS PURIFICATION METHOD USING SAME 审中-公开
标题翻译：排气净化催化剂及其制造方法和使用该方法的排气净化方法
公开(公告)号：EP3263214A1
公开(公告)日：2018-01-03
申请号：EP16755307.2
申请日：2016-02-17
申请人： Kabushiki Kaisha Toyota Chuo Kenkyusho , TOYOTA JIDOSHA KABUSHIKI KAISHA , Cataler Corporation
发明人： KATOH, Satoru , TANABE, Toshitaka , MIURA, Masahide , SUZUKI, Hiromasa , NAITO, Hiroaki , ORI, Hirotaka , NARITA, Keiichi , TAKEUCHI, Michihiko , OHASHI, Tatsuya
IPC分类号： B01J35/10 , B01D53/94 , B01J23/63 , B01J37/02 , B01J37/08 , F01N3/28
CPC分类号： B01J23/63 , B01D53/94 , B01D2255/1021 , B01D2255/407 , B01D2255/9202 , B01J35/023 , B01J35/026 , B01J35/04 , B01J35/10 , B01J35/1076 , B01J35/108 , B01J37/0018 , B01J37/0036 , B01J37/0219 , B01J37/0234 , B01J37/08 , F01N3/28 , F01N2330/02 , F01N2330/06 , F01N2510/068
摘要： A catalyst for purification of exhaust gas, comprises:
a substrate; and
a catalyst coat layer which is formed on a surface of the substrate and which comprises catalyst particles, wherein
the catalyst coat layer has an average thickness in a range of 25 to 160 µm, and a void fraction in a range of 50 to 80% by volume as measured by a weight-in-water method,
0.5 to 50% by volume of all voids in the catalyst coat layer consist of high-aspect ratio pores which have equivalent circle diameters in a range of 2 to 50 µm in a cross-sectional image of a cross-section of the catalyst coat layer which the cross-section is perpendicular to a flow direction of exhaust gas in the substrate, and which have aspect ratios of 5 or higher, and
the high-aspect ratio pores have an average aspect ratio in a range of 10 to 50.
摘要翻译：一种用于净化废气的催化剂，包括：基底; 以及催化剂涂层，所述催化剂涂层形成在所述基材的表面上并且包含催化剂颗粒，其中所述催化剂涂层的平均厚度为25〜160μm，空隙率为50〜80％通过水中重量法测定时，催化剂涂层中的全部空隙的0.5〜50体积％由在圆周上具有2〜50μm的当量圆直径的高纵横比的孔构成所述催化剂涂层的横截面垂直于所述基板中的废气的流动方向并且纵横比为5或更高的横截面的横截面图像，并且所述高纵横比孔具有平均宽高比在10到50的范围内。

10. 发明公开

EP2827983A1 EXHAUST GAS PURIFICATION CATALYST 审中-公开
标题翻译：排气净化催化剂
公开(公告)号：EP2827983A1
公开(公告)日：2015-01-28
申请号：EP13714995.1
申请日：2013-02-27
申请人： TOYOTA JIDOSHA KABUSHIKI KAISHA
发明人： SAITO, Yoshinori , AOKI, Yuki , TANABE, Toshitaka , HATANAKA, Miho , TAKAHASHI, Naoki , MORIKAWA, Akira
IPC分类号： B01J23/46 , B01D53/94 , B01J23/00
CPC分类号： B01J23/10 , B01D53/945 , B01D2255/102 , B01D2255/1021 , B01D2255/1023 , B01D2255/1025 , B01D2255/204 , B01D2255/2042 , B01D2255/2045 , B01D2255/2047 , B01D2255/206 , B01D2255/2061 , B01D2255/2063 , B01D2255/2065 , B01D2255/2068 , B01D2255/20715 , B01D2255/2092 , B01D2255/908 , B01J21/066 , B01J23/63 , B01J37/0036 , B01J37/0201 , B01J37/031 , Y02T10/22
摘要： An exhaust gas purification catalyst includes a composite oxide support, and a precious metal catalyst supported on the composite oxide support. The composite oxide support includes alumina, zirconia, ceria, a first additive element oxide and a second additive element oxide. The first additive element oxide contains an additive element selected from the group consisting of rare earth elements excluding cerium and alkali earth elements. The second additive element oxide contains an additive element selected from the group consisting of rare earth elements excluding cerium and alkali earth elements. In the composite oxide support, alumina is contained in a range of 30 to 40% by mass and zirconia is contained in a range of 36 to 46% by mass.
摘要翻译：废气净化催化剂包括复合氧化物载体和负载在复合氧化物载体上的贵金属催化剂。复合氧化物载体包括氧化铝，氧化锆，二氧化铈，第一添加元素氧化物和第二添加元素氧化物。第一添加元素氧化物含有选自由除铈和碱土元素以外的稀土元素组成的组中的添加元素。第二添加元素氧化物含有选自除铈和碱土元素之外的稀土元素的添加元素。在复合氧化物载体中，氧化铝的含量为30〜40质量％，氧化锆的含量为36〜46质量％。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式