公开(公告)号：US11691133B2

公开(公告)日：2023-07-04

申请号：US17312049

申请日：2019-11-11

Applicant: UMICORE SHOKUBAI JAPAN CO., LTD.

Inventor： Tatsuya Kumon ,  Yosuke Goto ,  Franz Dornhaus

IPC: F01N3/28 ,  B01J37/03 ,  B01J35/00 ,  B01J29/74 ,  B01J21/14 ,  B01D53/94

CPC classification number: B01J29/7415 ,  B01D53/944 ,  B01D53/9468 ,  B01J21/14 ,  B01J35/0006 ,  B01J37/038 ,  F01N3/2803 ,  B01D2255/1021 ,  B01D2255/1023 ,  B01D2255/9022 ,  B01D2255/9202 ,  F01N2370/04

Abstract: Described are a catalyst capable of effectively oxidizing an exhaust gas, a method for preparing the catalyst, and a method for oxidizing an exhaust gas using the catalyst. The exhaust gas oxidation catalyst includes at least two layers, a lower catalyst layer and an upper catalyst layer, laminated on a three-dimensional structure, wherein the lower catalyst layer and the upper catalyst layer independently contain precious metal and alumina and/or zeolite, and at least a part of the upper catalyst layer contains pores derived from a pore connecting agent with a combustion decomposition temperature of 300° C. or more to less than 450° C.

公开(公告)号：US20210354110A1

公开(公告)日：2021-11-18

申请号：US17284977

申请日：2019-11-11

Applicant: UMICORE SHOKUBAI JAPAN CO., LTD.

Inventor： Yuji OGINO ,  Masanori IKEDA ,  Hideki GOTO

IPC: B01J21/04 ,  B01J35/10 ,  B01J35/04 ,  F01N3/08 ,  B01J23/42 ,  B01J23/44 ,  B01J23/46 ,  B01J37/02 ,  B01J37/08

Abstract: A gasoline engine exhaust gas purification catalyst for purifying exhaust gas emitted from a gasoline engine includes a precious metal, alumina, and a ceria/zirconia composite oxide supported on a three-dimensional structure, and has pores having a peak 1 at a pore size of not less than 0.001 μm and not greater than 0.05 μm, pores having a peak 2 at a pore size of not less than 2.5 μm and not greater than 5.0 μm, and pores having a peak 3 at a different pore size than the above pore sizes in a pore size distribution measured by mercury intrusion method, wherein the pore volume of the pores having the peak 3 is greater than 1.4% of the total pore volume. A production method for the catalyst, and an exhaust gas purification method using the catalyst are also described.

公开(公告)号：US10376839B2

公开(公告)日：2019-08-13

申请号：US15111643

申请日：2015-01-19

Applicant: UMICORE SHOKUBAI JAPAN CO., LTD.

Inventor： Takahiro Umeno ,  Masaya Hanzawa ,  Yoshiyuki Hayashi

IPC: B01D53/94 ,  B01J23/63 ,  B01J37/02 ,  B01J35/04 ,  F01N3/28 ,  B01J37/16 ,  B01J35/02 ,  B01J35/10

Abstract: It is an object to provide an exhaust gas purification catalyst for a lean burn engine having sufficient NOx purification performance.The exhaust gas purification catalyst for a lean burn engine according to the present invention has a catalyst component including noble metal and ceria supported on a three-dimensional structure. In the whole catalyst, the supported amount of ceria per 1 L of catalyst is 140 to 300 g/L, and in the whole catalyst, is 50 to 98% by mass with respect to the whole coated amount. Furthermore, it is characterized that 50% by mass or more of ceria is included in the same catalyst layer in which noble metal is included, and the amount of noble metal included in the catalyst layer is 0.1% by mass or more with respect to the amount of ceria included in the catalyst layer.

公开(公告)号：US20160346731A1

公开(公告)日：2016-12-01

申请号：US15111643

申请日：2015-01-19

Applicant: UMICORE SHOKUBAI JAPAN CO., LTD.

Inventor： Takahiro UMENO ,  Masaya HANZAWA ,  Yoshiyuki HAYASHI

IPC: B01D53/94 ,  B01J35/04 ,  B01J37/02 ,  B01J23/63

CPC classification number: B01D53/945 ,  B01D2251/208 ,  B01D2255/1021 ,  B01D2255/1023 ,  B01D2255/1025 ,  B01D2255/2022 ,  B01D2255/2027 ,  B01D2255/2042 ,  B01D2255/2047 ,  B01D2255/2063 ,  B01D2255/2065 ,  B01D2255/2092 ,  B01D2255/40 ,  B01D2255/9022 ,  B01D2258/012 ,  B01J23/63 ,  B01J35/023 ,  B01J35/04 ,  B01J35/1019 ,  B01J37/0225 ,  B01J37/0244 ,  B01J37/0248 ,  B01J37/16 ,  B01J2523/00 ,  F01N3/28 ,  Y02C20/20 ,  Y02T10/22 ,  B01J2523/25 ,  B01J2523/31 ,  B01J2523/3706 ,  B01J2523/3712 ,  B01J2523/822 ,  B01J2523/824 ,  B01J2523/828

Abstract: It is an object to provide an exhaust gas purification catalyst for a lean burn engine having sufficient NOx purification performance.The exhaust gas purification catalyst for a lean burn engine according to the present invention has a catalyst component including noble metal and ceria supported on a three-dimensional structure. In the whole catalyst, the supported amount of ceria per 1 L of catalyst is 140 to 300 g/L, and in the whole catalyst, is 50 to 98% by mass with respect to the whole coated amount. Furthermore, it is characterized that 50% by mass or more of ceria is included in the same catalyst layer in which noble metal is included, and the amount of noble metal included in the catalyst layer is 0.1% by mass or more with respect to the amount of ceria included in the catalyst layer.

Abstract translation: 根据本发明的稀燃燃烧发动机的废气净化催化剂具有负载在三维结构上的贵金属和二氧化铈的催化剂成分。 在整个催化剂中，每1L催化剂的二氧化铈的负载量为140〜300g / L，整个催化剂的总涂布量为50〜98质量％。 此外，其特征在于，在包含贵金属的同一催化剂层中包含50质量％以上的二氧化铈，并且包含在催化剂层中的贵金属的量相对于催化剂层为0.1质量％以上 包含在催化剂层中的二氧化铈的量。

公开(公告)号：US20160129430A1

公开(公告)日：2016-05-12

申请号：US14982817

申请日：2015-12-29

Applicant: UMICORE SHOKUBAI JAPAN CO., LTD. ,  UMICORE SHOKUBAI USA INC.

Inventor： Naohiro KATO ,  Yosuke GOTO ,  Yuta AKASAKA

IPC: B01J29/74 ,  B01J37/04 ,  B01D53/94 ,  B01J37/02

CPC classification number: B01J29/7415 ,  B01D53/94 ,  B01D53/944 ,  B01D2255/1021 ,  B01D2255/1023 ,  B01D2255/204 ,  B01D2255/502 ,  B01J23/58 ,  B01J29/7007 ,  B01J35/0006 ,  B01J35/04 ,  B01J37/0215 ,  B01J37/0246 ,  B01J37/04

Abstract: The purpose of the present invention is to provide an oxidation catalyst for exhaust gas purification having high durability and a method for producing the catalyst. The purpose is achieved by an oxidation catalyst for exhaust gas purification containing a refractory inorganic oxide, and a catalyst component and a metal component, which are supported on the refractory inorganic oxide, wherein the catalyst component is platinum, or platinum and palladium, and the metal component is one or more selected from the group consisting of magnesium, calcium, strontium and barium.

Abstract translation: 本发明的目的是提供一种具有高耐久性的废气净化用氧化催化剂及其制造方法。 其目的是通过含有耐火无机氧化物的废气净化用氧化催化剂和负载在耐火无机氧化物上的催化剂成分和金属成分来实现，其中催化剂成分为铂或铂和钯， 金属成分是选自镁，钙，锶和钡中的一种以上。

公开(公告)号：US20240011420A1

公开(公告)日：2024-01-11

申请号：US18255196

申请日：2021-12-01

Applicant: UMICORE SHOKUBAI JAPAN CO., LTD.

Inventor： Shota KAWASHIMA ,  Yuki SANO ,  Takuya ENOSAKA

IPC: F01N3/022 ,  F01N3/035 ,  B01D39/20

CPC classification number: F01N3/022 ,  F01N3/035 ,  B01D39/2072 ,  B01D2201/184

Abstract: A fine particle filter for removing a particulate matter from exhaust gas of an internal combustion engine includes a wall-flow type filter that has a porous wall, and a ceramic layer that is made of ceramic particles and that is applied in a flow channel of the wall-flow type filter, wherein the ceramic layer has a porosity of 20% or more and 41% or less. The ceramic particles may be formed of one selected from the group consisting of alumina, silica, zirconia, ceria, titania, and zeolite.

公开(公告)号：US11813590B2

公开(公告)日：2023-11-14

申请号：US17284977

申请日：2019-11-11

Applicant: UMICORE SHOKUBAI JAPAN CO., LTD.

Inventor： Yuji Ogino ,  Masanori Ikeda ,  Hideki Goto

IPC: B01J21/04 ,  B01J35/10 ,  B01J35/04 ,  B01J23/42 ,  B01J23/44 ,  B01J23/46 ,  B01J3/02 ,  B01J37/08 ,  F01N3/08 ,  B01J37/02

CPC classification number: B01J21/04 ,  B01J23/42 ,  B01J23/44 ,  B01J23/464 ,  B01J35/04 ,  B01J35/1019 ,  B01J35/1023 ,  B01J35/1057 ,  B01J35/1061 ,  B01J35/1076 ,  B01J37/0215 ,  B01J37/08 ,  F01N3/0835 ,  F01N3/0842 ,  F01N3/0857

Abstract: A gasoline engine exhaust gas purification catalyst for purifying exhaust gas emitted from a gasoline engine includes a precious metal, alumina, and a ceria/zirconia composite oxide supported on a three-dimensional structure, and has pores having a peak 1 at a pore size of not less than 0.001 μm and not greater than 0.05 μm, pores having a peak 2 at a pore size of not less than 2.5 μm and not greater than 5.0 μm, and pores having a peak 3 at a different pore size than the above pore sizes in a pore size distribution measured by mercury intrusion method, wherein the pore volume of the pores having the peak 3 is greater than 1.4% of the total pore volume. A production method for the catalyst, and an exhaust gas purification method using the catalyst are also described.

公开(公告)号：US20220341356A1

公开(公告)日：2022-10-27

申请号：US17641174

申请日：2020-10-06

Applicant: UMICORE SHOKUBAI JAPAN CO., LTD.

Inventor： Yasuyuki TAKEDA ,  Shigekazu MINAMI

IPC: F01N3/28 ,  B01D53/94 ,  B01J23/10 ,  B01J21/04 ,  B01J37/16 ,  B01J37/04

Abstract: In an exhaust gas purification catalyst, a catalytic component (100) containing a first oxide (21), a second oxide (22), and a precious metal (30) is supported on a three-dimensional structure (10); the ratio of the amount of precious metal (30) supported on the first oxide (21) to the total amount of precious metal (30) supported on the first oxide (21) and precious metal (30) supported on the second oxide (22), or the ratio of the amount of precious metal (30) supported on the second oxide (22) to the total amount of precious metal (30) supported on the first oxide (21) and precious metal (30) supported on the second oxide (22) is 70% or more to 100% or less, as measured by an electron probe microanalyzer (EPMA); and the amount of carbon monoxide that the precious metal (30) can adsorb per unit mass is 15 mL/g or more to 100 mL/g or less.

公开(公告)号：US11446639B2

公开(公告)日：2022-09-20

申请号：US17264916

申请日：2019-09-24

Applicant: UMICORE SHOKUBAI JAPAN CO., LTD.

Inventor： Yuji Ogino ,  Yusuke Haneda

IPC: B01D53/94 ,  B01J21/04 ,  B01J23/63 ,  B01J35/00 ,  B01J35/02 ,  B01J35/10 ,  B01J37/04 ,  B01J37/08 ,  C01B3/26 ,  F01N3/28

Abstract: An exhaust gas cleaning catalyst is provided with a fire-resistant three-dimensional structural body, a first catalyst layer provide on a first surface side of the fire-resistant three-dimensional structural body, and a second catalyst layer provided on a side of the first catalyst layer opposite to the fire-resistant three-dimensional structural body. The first catalyst layer contains: a complex oxide including cerium and zirconium; and elemental rhodium. The second catalyst layer contains: a complex oxide including cerium and zirconium; and elemental palladium. The amount of cerium included in the second catalyst layer, in terms of cerium dioxide, is 10-25 g per liter of the fire-resistant three-dimensional structural body.

公开(公告)号：US20220016614A1

公开(公告)日：2022-01-20

申请号：US17295558

申请日：2019-12-26

Applicant: UMICORE SHOKUBAI JAPAN CO., LTD.

Inventor： Ayana AKAMATSU ,  Jianjun LIN

IPC: B01J35/00 ,  B01J23/44 ,  B01J23/10 ,  B01J21/04 ,  B01J23/04 ,  B01J35/04 ,  B01J35/02 ,  B01D53/94

Abstract: An exhaust gas purification catalyst (C), including a three-dimensional structure (10) and a catalyst component layer (20) supported on the three-dimensional structure (10), where the average thickness of the catalyst component layer (20) is 15 μm or more to 200 μm or less, the average particle size of the catalyst component is 2 μm or more to 10 μm or less, and the catalyst component particle size variation coefficient is 10 or more and less than 50. The particle distribution of the catalyst component can be 90% or more to 99.9% or less.