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

US4727052A Catalyst compositions and methods of making the same 失效
标题翻译：催化剂组合物及其制备方法
公开(公告)号：US4727052A
公开(公告)日：1988-02-23
申请号：US879684
申请日：1986-06-27
申请人： Chung-Zong Wan , Joseph C. Dettling
发明人： Chung-Zong Wan , Joseph C. Dettling
IPC分类号： B01D53/94 , B01J21/04 , B01J23/40 , B01J23/42 , B01J23/44 , B01J23/46 , B01J23/56 , B01J23/58 , B01J23/63 , B01J23/64 , B01J23/652 , B01J23/89 , B01J37/02 , B01J37/18 , F02B1/04
CPC分类号： B01D53/945 , B01J21/04 , B01J23/40 , B01J23/63 , B01J37/0242 , F02B1/04 , Y02T10/22
摘要： A method of making a catalyst composition comprising an activated alumina coating stabilized against thermal degradation includes applying a coating of alumina having one or more platinum group metal catalytic components dispersed thereon onto a carrier substrate and calcining the coating. The calcined coating is then impregnated with a solution of a thermal stabilizer-precursor and calcined again to provide a thermal stabilizer in the alumina. Bulk ceria, optionally an aluminum-stabilized bulk ceria, may also be added to the composition, preferably at specified minimum levels, including a high purity bulk ceria on which one or more non-rhodium platinum group metal catalytic components, e.g., platinum, optionally, are dispersed. A separate aspect of the invention provides for a method of making a catalyst composition including dispersing one or more platinum group metal catalytic components on an activated alumina and calcining the combined alumina and platinum group metal catalytic components. The steps are carried out under limited acidification conditions whereby at least minimum dispersions of the platinum group metal catalytic components are attained. The invention also provides for catalyst compositions resulting from either or both the foregoing methods.
摘要翻译：制备包含稳定防止热降解的活性氧化铝涂层的催化剂组合物的方法包括将分散在其上的一种或多种铂族金属催化组分的氧化铝涂层施加到载体基材上并煅烧该涂层。然后将煅烧的涂层用热稳定剂 - 前体的溶液浸渍并再次煅烧，以在氧化铝中提供热稳定剂。也可以将块状二氧化铈，任选的铝稳定体二氧化铈，优选以规定的最低水平添加到组合物中，包括高纯度本体二氧化铈，其中一种或多种非铑铂族金属催化组分，例如铂，任选地，分散。本发明的另一方面提供了制备催化剂组合物的方法，包括将一种或多种铂族金属催化组分分散在活性氧化铝上并煅烧组合的氧化铝和铂族金属催化组分。该步骤在有限的酸化条件下进行，由此达到铂族金属催化组分的至少最小分散体。本发明还提供了由上述方法中的一种或两种产生的催化剂组合物。

2. 发明授权

US4714694A Aluminum-stabilized ceria catalyst compositions, and methods of making the same 失效
标题翻译：铝稳定二氧化铈催化剂组合物及其制备方法
公开(公告)号：US4714694A
公开(公告)日：1987-12-22
申请号：US880270
申请日：1986-06-30
申请人： Chung-Zong Wan , Joseph C. Dettling
发明人： Chung-Zong Wan , Joseph C. Dettling
IPC分类号： B01D53/94 , B01J23/10 , B01J23/56 , B01J23/63 , B01J23/64 , B01J23/89
CPC分类号： B01D53/945 , B01J23/10 , B01J23/63 , Y02T10/22
摘要： A catalyst material comprises an aluminum-stabilized ceria which optionally may be combined with an activated alumina and may also comprise one or more platinum group metal catalytic components. A method of making the material includes impregnating bulk ceria or a bulk ceria precursor with an aluminum compound and calcining the impregnated ceria to provide an aluminum-stabilized ceria. The bulk ceria advantageously comprises a high purity (at least 90 weight percent CeO.sub.2) ceria and may be admixed with activated aluminia having one or more platinum group metal catalytic components dispersed thereon. The catalyst material may be coated onto a suitable carrier substrate and then calcined. Specified minimum levels of the aluminum-stabilized bulk ceria are advantageously employed in the catalyst materials of the invention. The bulk ceria may have one or more preferably non-rhodium platinum group metal catalytic components dispersed thereon, e.g., a platinum catalytic component, and one or more platinum group metal catalytic components dispersed on the activated alumina.

3. 发明授权

US4678770A Three-way catalyst for lean exhaust systems 失效
标题翻译：贫气排气系统的三元催化剂
公开(公告)号：US4678770A
公开(公告)日：1987-07-07
申请号：US842746
申请日：1986-03-17
申请人： Chung-Zong Wan , Joseph C. Dettling , Kenneth I. Jagel
发明人： Chung-Zong Wan , Joseph C. Dettling , Kenneth I. Jagel
IPC分类号： B01D53/94 , B01J23/63 , B01J35/00 , B01J37/04 , B01J23/10 , B01J23/42 , B01J23/44 , B01J23/46
CPC分类号： B01D53/945 , B01J23/63 , B01J37/04 , B01J35/0013 , B01J35/006 , Y02T10/22
摘要： Three-way catalysts containing rhodium, rare earth oxide and platinum and/or palladium of improved durability, when subjected to exhaust gases containing excess oxygen, are formed, when the rhodium is segregated from the rare earth oxide, thereby preventing undesirable interactions between the rhodium and are earth oxide. The efficiency of the catalyst is optimized when the rhodium has an initial average particle size ranging from about 35 to about 80 .ANG. in diameter.
摘要翻译：当铑与稀土氧化物分离时，当经受含有过量氧气的废气时，形成含有铑，稀土氧化物和铂和/或钯的三元催化剂，从而防止铑并且是地球氧化物。当铑的初始平均粒径为约35至约80安瓿直径时，催化剂的效率被优化。

4. 发明授权

US5597771A Layered catalyst composite 失效
标题翻译：层状催化剂复合材料
公开(公告)号：US5597771A
公开(公告)日：1997-01-28
申请号：US265076
申请日：1994-06-24
申请人： Zhicheng Hu , Chung-Zong Wan , Yiu-Kwan Lui , Joseph C. Dettling
发明人： Zhicheng Hu , Chung-Zong Wan , Yiu-Kwan Lui , Joseph C. Dettling
IPC分类号： B01D53/86 , B01D53/94 , B01J23/44 , B01J23/46 , B01J23/63 , B01J23/89 , B01J35/00 , B01J37/02 , F01N3/10 , F01N3/28 , B01J21/04 , B01J23/02
CPC分类号： B01D53/945 , B01J23/63 , B01J35/0006 , B01J37/0244 , B01D2255/902 , F01N2570/16 , Y02T10/22
摘要： The present invention relates to a layered catalyst composite of the type generally referred to as a three-way conversion catalyst having the capability of substantially simultaneously catalyzing the oxidation of hydrocarbons and carbon monoxide and the reduction of nitrogen oxides. The structure of the layered catalyst composite of the present invention is designed wherein there is a first layer and a second layer. The first layer comprises a first support; at least one first palladium component and an oxygen storage component in intimate contact with the palladium component; optionally another first platinum group metal component; a zirconium component; at least one first alkaline earth metal components and at least one first rare earth metal component selected from the group consisting of lanthanum metal components and neodymium metal components. The second layer comprises a second support; at least one second palladium component; optionally another second platinum group metal component; at least one second alkaline earth metal component; at least one second rare earth component selected from the group consisting of lanthanum metal components and neodymium metal components and a zirconium component.
摘要翻译：本发明涉及一种通常称为三元转化催化剂的层状催化剂复合物，其具有基本上同时催化烃和一氧化碳的氧化和还原氮氧化物的能力。设计本发明的层状催化剂复合材料的结构，其中存在第一层和第二层。第一层包括第一载体; 至少一种第一钯组分和与钯组分紧密接触的储氧组分; 另外的第一铂族金属组分; 锆组分; 至少一种第一碱土金属组分和至少一种选自镧金属组分和钕金属组分的第一稀土金属组分。第二层包括第二支撑件; 至少一个第二钯组分; 另一种第二铂族金属组分; 至少一种第二碱土金属组分; 选自由镧金属成分和钕金属成分组成的组中的至少一种稀土类成分和锆成分。

5. 发明授权

US07476417B2 Method of manufacturing monolithic catalysts 失效
标题翻译：整体式催化剂的制造方法
公开(公告)号：US07476417B2
公开(公告)日：2009-01-13
申请号：US11626658
申请日：2007-01-24
申请人： Joseph C. Dettling , Victor Rosynsky , Chung-Zong Wan
发明人： Joseph C. Dettling , Victor Rosynsky , Chung-Zong Wan
IPC分类号： B05D7/22 , B05D1/36 , B05D1/38 , B05D3/04 , B05D3/12 , F26B3/04
CPC分类号： B01J23/63 , B01J35/0006 , B01J35/04 , B01J37/0215 , B05D3/0493 , B05D7/22 , C04B41/009 , C04B41/4535 , C04B41/5105 , C04B41/81 , C04B41/88 , C04B2111/0081 , C23C2/006 , C23C2/28 , C23C10/04 , C23C10/18 , C23C10/26 , C23C26/00 , Y02T50/67 , C04B41/457 , C04B35/00 , C04B38/0006
摘要： The present invention is directed to a method of coating a substrate, such as a honeycomb having a plurality of parallel channels defined by the honeycomb walls. The honeycomb has different zones along the length of the channels. The zones are defined by their coating (or lack of coating) and extend for a length of the channel in which there is the same coating and architecture. Soluble components in coating compositions are fixed in their respective zones by forcing a heated gas stream through the channels.
摘要翻译：本发明涉及一种涂覆基材的方法，例如具有由蜂窝壁限定的多个平行通道的蜂窝体。蜂窝沿着通道的长度具有不同的区域。这些区域由它们的涂层（或不含涂层）限定，并延伸一段具有相同涂层和结构的通道的长度。涂料组合物中的可溶性组分通过迫使加热的气流通过通道而固定在它们各自的区域中。

6. 发明授权

US4624940A High temperature catalyst compositions for internal combustion engine 失效
标题翻译：用于内燃机的高温催化剂组合物
公开(公告)号：US4624940A
公开(公告)日：1986-11-25
申请号：US722905
申请日：1985-04-12
申请人： Chung-Zong Wan , Joseph C. Dettling
发明人： Chung-Zong Wan , Joseph C. Dettling
IPC分类号： B01D53/94 , B01J21/16 , B01J23/44 , B01J23/56 , B01J23/58 , B01J23/63 , B01J37/02 , B01J37/04 , B01J21/04 , B01J23/10
CPC分类号： B01D53/945 , B01J23/58 , B01J37/0248 , B01J37/04 , Y02T10/22
摘要： Catalysts having three types of particles dispersed on a monolith have surprising oxidation and three-way activity even after exposure to temperatures above 1000.degree. C. The particle types are: (1) palladium dispersed on stabilized alumina; (2) ceria-containing promoter particles and (3) washcoat stabilization particles.
摘要翻译：具有分散在整体上的三种类型的颗粒的催化剂即使在暴露于高于1000℃的温度下也具有惊人的氧化和三向活性。颗粒类型是：（1）分散在稳定的氧化铝上的钯; （2）含二氧化铈的促进剂颗粒和（3）修补基面涂层稳定化颗粒。

7. 发明授权

US4738947A Three-way catalysts of improved efficiency 失效
标题翻译：提高效率的三元催化剂
公开(公告)号：US4738947A
公开(公告)日：1988-04-19
申请号：US772296
申请日：1985-09-04
申请人： Chung-Zong Wan , Joseph C. Dettling
发明人： Chung-Zong Wan , Joseph C. Dettling
IPC分类号： B01D53/94 , B01J23/63 , B01J23/652 , B01J23/656 , B01J23/89 , B01J37/04 , B01J21/04 , B01J23/10 , B01J23/42
CPC分类号： B01D53/945 , B01J23/63 , B01J23/6522 , B01J23/6562 , B01J23/894 , B01J37/04 , Y02T10/22
摘要： A three-way catalyst of improved efficiency suitable for simultaneously oxidizing both gaseous hydrocarbons and carbon monoxide, while reducing nitrogen oxides is disclosed. The three-way catalyst includes alumina, a platinum group metal and a rare earth metal oxide having deposited thereon in intimate contact therewith a p-type metal oxide.
摘要翻译：公开了一种提高效率的三元催化剂，适用于同时氧化气态烃和一氧化碳，同时还原氮氧化物。三元催化剂包括与p型金属氧化物紧密接触的氧化铝，铂族金属和沉积在其上的稀土金属氧化物。

8. 发明授权

US4677095A Stabilized alumina catalyst support coatings 失效
标题翻译：稳定的氧化铝催化剂载体涂料
公开(公告)号：US4677095A
公开(公告)日：1987-06-30
申请号：US696946
申请日：1985-01-31
申请人： Chung-Zong Wan , Joseph C. Dettling
发明人： Chung-Zong Wan , Joseph C. Dettling
IPC分类号： B01J21/04 , B01D53/94 , B01J21/12 , B01J23/40 , B01J23/44 , B01J31/02 , B01J31/28 , B01J37/08
CPC分类号： B01J37/086 , B01D53/945 , B01J21/12 , B01J23/40 , B01J37/082 , B01J21/04 , B01J23/44 , Y02T10/22
摘要： A method for stabilizing alumina supports for metal catalysts by impregnating the support with an aqueous dispersion of a high molecular weight, water dispersible polyorganosiloxane and calcining.
摘要翻译：通过用高分子量水分散性聚有机硅氧烷的水性分散体浸渍载体并煅烧来稳定金属催化剂的氧化铝载体的方法。

9. 发明申请

US20150174564A1 PT-PD Diesel Oxidation Catalyst With CO/HC Light-Off And HC Storage Function 有权
标题翻译： PT-PD柴油氧化催化剂具有CO / HC熄灭和HC储存功能
公开(公告)号：US20150174564A1
公开(公告)日：2015-06-25
申请号：US14384517
申请日：2012-04-05
申请人： Torsten W. Müller-Stach , Alfred H. Punke , Gerd Grubert , Marcus Hilgendorff , Helke Doering , Torsten Neubauer , Xiaolai Zheng , Chung-Zong Wan , Wen-Mei Xue , Patrick Burk
发明人： Torsten W. Müller-Stach , Alfred H. Punke , Gerd Grubert , Marcus Hilgendorff , Helke Doering , Torsten Neubauer , Xiaolai Zheng , Chung-Zong Wan , Wen-Mei Xue , Patrick Burk
IPC分类号： B01J29/76 , B01J23/44 , B01D53/94 , B01J29/44 , B01J21/04
CPC分类号： B01J29/7676 , B01D53/944 , B01D53/9477 , B01D2255/1021 , B01D2255/1023 , B01D2255/2042 , B01D2255/2047 , B01D2255/2063 , B01D2255/50 , B01D2255/502 , B01D2255/504 , B01D2255/9022 , B01D2255/9025 , B01D2255/912 , B01D2258/012 , B01J21/04 , B01J23/44 , B01J29/0354 , B01J29/44 , B01J29/7615 , B01J37/0244 , B01J37/0246 , B01J2229/64 , F01N3/035 , F01N3/0814 , F01N3/0842 , F01N3/103 , F01N3/2066 , F01N13/009 , F01N2370/04 , F01N2510/0684 , Y02A50/2341 , Y02T10/24
摘要： A diesel oxidation catalyst for the treatment of exhaust gas emissions, such as the oxidation of unburned hydrocarbons (HC), and carbon monoxide (CO) and the reduction of nitrogen oxides (NOx) is described. More particularly, the present invention is directed to a washcoat composition comprising high silica to alumina zeolite and platinum and palladium such that the zeolite minimizes negative interactions of these platinum group metals with the zeolite.
摘要翻译：描述了用于处理废气排放的柴油氧化催化剂，例如未燃烧的烃（HC）和一氧化碳（CO）的氧化和氮氧化物（NOx）的还原。更具体地说，本发明涉及包含高二氧化硅 - 氧化铝沸石和铂和钯的修补基面涂料组合物，使得沸石使这些铂族金属与沸石的负相互作用最小化。

10. 发明申请

US20110173950A1 Emissions Treatment System with Ammonia-Generating and SCR Catalysts 有权
标题翻译：氨发生和SCR催化剂排放处理系统
公开(公告)号：US20110173950A1
公开(公告)日：2011-07-21
申请号：US12750001
申请日：2010-03-30
申请人： Chung-Zong Wan , Xiaolai Zheng , Susanne Stiebels , Claudia Wendt , Torsten Neubauer , R. Samuel Boorse
发明人： Chung-Zong Wan , Xiaolai Zheng , Susanne Stiebels , Claudia Wendt , Torsten Neubauer , R. Samuel Boorse
IPC分类号： F01N3/20 , F01N3/18
CPC分类号： B01D53/9431 , B01D53/58 , B01D53/92 , B01D53/9418 , B01D53/9422 , B01D53/9472 , B01D53/9477 , B01D2251/2062 , B01D2255/102 , B01D2255/2042 , B01D2255/2045 , B01D2255/206 , B01D2255/2063 , B01D2255/2066 , B01D2255/2068 , B01D2255/20753 , B01D2255/20761 , B01D2255/2092 , B01D2255/50 , B01D2255/9022 , B01D2255/91 , B01D2255/9155 , B01D2255/9205 , B01D2258/012 , F01N3/02 , F01N3/021 , F01N3/035 , F01N3/0807 , F01N3/0814 , F01N3/0821 , F01N3/0842 , F01N3/10 , F01N3/103 , F01N3/206 , F01N3/2066 , F01N3/2073 , F01N13/02 , F01N2510/063 , F01N2510/0682 , Y02T10/24
摘要： Provided are emissions treatment systems for an exhaust stream having an ammonia-generating component, such as a NOx storage reduction (NSR) catalyst or a lean NOx trap (LNT) catalyst, and an SCR catalyst disposed downstream of the ammonia-generating catalyst. The SCR catalyst can be a molecular sieve having the CHA crystal structure, for example SSZ-13 or SAPO-34, which can be ion-exchanged with copper. The LNT can be layered, having an undercoat washcoat layer comprising a support material, at least one precious metal, and at least one NOx sorbent selected from the group consisting of alkaline earth elements, rare earth elements, and combinations thereof and a top washcoat layer comprising a support material, at least one precious metal, and ceria in particulate form, the top washcoat layer being substantially free of alkaline earth components. The emissions treatment system is advantageously used for the treatment of exhaust streams from diesel engines and lean burn gasoline engines.
摘要翻译：提供了具有氨生成成分的排气流的排放处理系统，例如NOx储存还原（NSR）催化剂或稀NOx捕集器（LNT）催化剂，以及设置在产氨催化剂下游的SCR催化剂。 SCR催化剂可以是具有CHA晶体结构的分子筛，例如可与铜进行离子交换的SSZ-13或SAPO-34。 LNT可以是层状的，具有包含载体材料的底涂层涂层，至少一种贵金属和至少一种选自碱土金属元素，稀土元素及其组合的NO x吸附剂，以及顶部洗涂层包括支撑材料，至少一种贵金属和颗粒形式的二氧化铈，所述顶部修补基面涂层基本上不含碱土金属组分。排放物处理系统有利地用于处理来自柴油发动机和贫燃汽油发动机的废气流。

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