CN1329119C - 环氧乙烷催化剂 - Google Patents

环氧乙烷催化剂 Download PDF

Info

Publication number
CN1329119C
CN1329119C CNB038095629A CN03809562A CN1329119C CN 1329119 C CN1329119 C CN 1329119C CN B038095629 A CNB038095629 A CN B038095629A CN 03809562 A CN03809562 A CN 03809562A CN 1329119 C CN1329119 C CN 1329119C
Authority
CN
China
Prior art keywords
support
catalyst
solution
silver
sodium
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CNB038095629A
Other languages
English (en)
Chinese (zh)
Other versions
CN1649671A (zh
Inventor
N·里兹卡拉
E·博恩
C·W·朱洛夫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Scientific Design Co Inc
Original Assignee
Scientific Design Co Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=28674376&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CN1329119(C) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Scientific Design Co Inc filed Critical Scientific Design Co Inc
Publication of CN1649671A publication Critical patent/CN1649671A/zh
Application granted granted Critical
Publication of CN1329119C publication Critical patent/CN1329119C/zh
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/48—Silver or gold
    • B01J23/50—Silver
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/0201—Impregnation
    • B01J37/0207—Pretreatment of the support
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/02—Boron or aluminium; Oxides or hydroxides thereof
    • B01J21/04—Alumina
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/66—Silver or gold
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D301/00—Preparation of oxiranes
    • C07D301/02—Synthesis of the oxirane ring
    • C07D301/03—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds
    • C07D301/04—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds with air or molecular oxygen
    • C07D301/08—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds with air or molecular oxygen in the gaseous phase
    • C07D301/10—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds with air or molecular oxygen in the gaseous phase with catalysts containing silver or gold
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/0201—Impregnation
    • B01J37/0205—Impregnation in several steps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/06—Washing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Catalysts (AREA)
  • Epoxy Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CNB038095629A 2002-04-08 2003-04-01 环氧乙烷催化剂 Expired - Lifetime CN1329119C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/118,192 2002-04-08
US10/118,192 US6750173B2 (en) 2002-04-08 2002-04-08 Ethylene oxide catalyst

Publications (2)

Publication Number Publication Date
CN1649671A CN1649671A (zh) 2005-08-03
CN1329119C true CN1329119C (zh) 2007-08-01

Family

ID=28674376

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB038095629A Expired - Lifetime CN1329119C (zh) 2002-04-08 2003-04-01 环氧乙烷催化剂

Country Status (15)

Country Link
US (1) US6750173B2 (enExample)
EP (1) EP1492619B2 (enExample)
JP (1) JP5089013B2 (enExample)
KR (1) KR100826146B1 (enExample)
CN (1) CN1329119C (enExample)
AT (1) ATE496692T1 (enExample)
AU (1) AU2003222129B2 (enExample)
BR (1) BR0309052B1 (enExample)
CA (1) CA2479237C (enExample)
DE (1) DE60335866D1 (enExample)
ES (1) ES2358322T5 (enExample)
MX (1) MXPA04009854A (enExample)
RU (1) RU2311958C2 (enExample)
TW (1) TWI323259B (enExample)
WO (1) WO2003086624A1 (enExample)

Families Citing this family (53)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2005102097A (ru) 2002-06-28 2005-08-27 Шелл Интернэшнл Рисерч Маатсхаппий Б.В. (NL) Способ введения в действие способа эпоксидирования и способ эпоксидирования олефина
WO2004002954A2 (en) * 2002-06-28 2004-01-08 Shell Internationale Research Maatschappij B.V. A method for improving the selectivity of a catalyst and a process for the epoxidation of an olefin
US7348444B2 (en) * 2003-04-07 2008-03-25 Shell Oil Company Process for the production of an olefin oxide
US6846774B2 (en) * 2003-04-23 2005-01-25 Scientific Design Co., Inc. Ethylene oxide catalyst
US8148555B2 (en) * 2003-06-26 2012-04-03 Shell Oil Company Method for improving the selectivity of a catalyst and a process for the epoxidation of an olefin
US7250126B2 (en) * 2004-08-11 2007-07-31 Fleetguard, Inc. Acid-neutralizing filter media
US7759284B2 (en) * 2005-05-09 2010-07-20 Scientific Design Company, Inc. Calcination in an inert gas in the presence of a small concentration of an oxidizing component
US7507844B2 (en) * 2005-05-09 2009-03-24 Sd Lizenzverwertungsgesellschaft Mbh & Co. Kg Nanometer scale restructuring of alumina carrier surface and catalysts for the production of alkene oxides
CN101193702B (zh) 2005-06-07 2012-11-07 国际壳牌研究有限公司 催化剂、制备催化剂的方法和生产环氧烷烃、1,2-二醇、1,2-二醇醚或链烷醇胺的方法
MX2007015465A (es) * 2005-06-07 2008-02-25 Saint Gobain Ceramics Un portador catalizador y un procedimiento para preparar el portador catalizador.
WO2007092738A2 (en) * 2006-02-03 2007-08-16 Shell Oil Company A process for treating a catalyst, the catalyst, and use of the catalyst
RU2008145498A (ru) * 2006-04-18 2010-05-27 Дау Глобал Текнолоджиз Инк. (Us) Катализатор оксида алкилена и его применение
US7977274B2 (en) * 2006-09-29 2011-07-12 Sd Lizenzverwertungsgesellschaft Mbh & Co. Kg Catalyst with bimodal pore size distribution and the use thereof
MX2009004622A (es) * 2006-11-01 2009-05-15 Dow Global Technologies Inc Cuerpos porosos con forma de alfa-alumina y metodos para la preparacion de los mismos.
CN104857996A (zh) * 2006-11-20 2015-08-26 国际壳牌研究有限公司 处理载体的方法、制备催化剂的方法、催化剂及催化剂的用途
AR066468A1 (es) 2007-05-09 2009-08-19 Shell Int Research Un catalizador de epoxidacion, un proceso para preparar el mismo, y un proceso para producir un oxido de olefina , un 1,2- diol, un 1,2 - diol eter, un 1,2- carbonato, o una alcanolamina
BRPI0912381A2 (pt) * 2008-05-07 2017-07-04 Shell Int Research processo para a partida de um processo de epoxidação, processo para a produção de óxido de etileno, 1,2-diol, 1, 2-diol éter, 1, 2-carbonato, ou uma alcanolamina
KR101629038B1 (ko) * 2008-05-07 2016-06-09 셀 인터나쵸나아레 레사아치 마아츠샤피 비이부이 산화올레핀, 1,2-디올, 1,2-디올 에테르, 1,2-카보네이트 또는 알칸올아민의 생산방법
WO2010005971A2 (en) * 2008-07-09 2010-01-14 The Regents Of The University Of Michigan Epoxidation catalyst and process
US8629079B2 (en) 2011-04-14 2014-01-14 Basf Se Process for producing a catalyst for the oxidation of ethylene to ethylene oxide
JP5984593B2 (ja) * 2011-09-30 2016-09-06 株式会社日本触媒 エチレンオキシド製造用触媒およびそれを用いたエチレンオキシドの製造方法
CN109054745A (zh) 2011-12-30 2018-12-21 圣戈本陶瓷及塑料股份有限公司 成形磨粒及其形成方法
CA3056658C (en) 2012-01-10 2023-07-04 Doruk O. Yener Abrasive particles having complex shapes and methods of forming same
CN110013795A (zh) 2012-05-23 2019-07-16 圣戈本陶瓷及塑料股份有限公司 成形磨粒及其形成方法
US9440332B2 (en) 2012-10-15 2016-09-13 Saint-Gobain Abrasives, Inc. Abrasive particles having particular shapes and methods of forming such particles
WO2014161001A1 (en) 2013-03-29 2014-10-02 Saint-Gobain Abrasives, Inc. Abrasive particles having particular shapes and methods of forming such particles
TWI632954B (zh) 2013-05-16 2018-08-21 科學設計股份有限公司 改善環氧乙烷觸媒的催化效能之載體處理
TWI632138B (zh) * 2013-05-16 2018-08-11 科學設計股份有限公司 具有降低鈉含量之建基於銀之環氧乙烷觸媒
CN104437664B (zh) * 2013-09-16 2016-09-21 中国石油化工股份有限公司 一种制备α-氧化铝载体的方法
CA3114978A1 (en) 2013-09-30 2015-04-02 Saint-Gobain Ceramics & Plastics, Inc. Shaped abrasive particles and methods of forming same
EP3089851B1 (en) 2013-12-31 2019-02-06 Saint-Gobain Abrasives, Inc. Abrasive article including shaped abrasive particles
US9771507B2 (en) 2014-01-31 2017-09-26 Saint-Gobain Ceramics & Plastics, Inc. Shaped abrasive particle including dopant material and method of forming same
US10557067B2 (en) 2014-04-14 2020-02-11 Saint-Gobain Ceramics & Plastics, Inc. Abrasive article including shaped abrasive particles
US9914864B2 (en) 2014-12-23 2018-03-13 Saint-Gobain Ceramics & Plastics, Inc. Shaped abrasive particles and method of forming same
TWI634200B (zh) 2015-03-31 2018-09-01 聖高拜磨料有限公司 固定磨料物品及其形成方法
EP3277459B1 (en) 2015-03-31 2023-08-16 Saint-Gobain Abrasives, Inc. Fixed abrasive articles and methods of forming same
CA3118262C (en) 2015-06-11 2023-09-19 Saint-Gobain Ceramics & Plastics, Inc. Abrasive article including shaped abrasive particles
CN118372187A (zh) 2016-05-10 2024-07-23 圣戈本陶瓷及塑料股份有限公司 磨料颗粒及其形成方法
KR102422875B1 (ko) 2016-05-10 2022-07-21 생-고뱅 세라믹스 앤드 플라스틱스, 인코포레이티드 연마 입자들 및 그 형성 방법
US11123712B2 (en) 2016-07-26 2021-09-21 Research Triangle Institute Catalysts utilizing carbon dioxide for the epoxidation of olefins
WO2018064642A1 (en) 2016-09-29 2018-04-05 Saint-Gobain Abrasives, Inc. Fixed abrasive articles and methods of forming same
PL3548471T3 (pl) 2016-12-02 2021-10-25 Shell Internationale Research Maatschappij B.V. Sposoby kondycjonowania katalizatora epoksydowania etylenu oraz powiązane sposoby wytwarzania tlenku etylenu
US10563105B2 (en) 2017-01-31 2020-02-18 Saint-Gobain Ceramics & Plastics, Inc. Abrasive article including shaped abrasive particles
WO2018236989A1 (en) 2017-06-21 2018-12-27 Saint-Gobain Ceramics & Plastics, Inc. Particulate materials and methods of forming same
CN114867582B (zh) 2019-12-27 2024-10-18 圣戈本陶瓷及塑料股份有限公司 磨料制品及其形成方法
WO2021133888A1 (en) 2019-12-27 2021-07-01 Saint-Gobain Ceramics & Plastics, Inc. Abrasive articles and methods of forming same
CN114846112A (zh) 2019-12-27 2022-08-02 圣戈本陶瓷及塑料股份有限公司 磨料制品及其形成方法
US20230256420A1 (en) 2020-06-26 2023-08-17 Basf Se Shaped catalyst body for the production of ethylene oxide
US20230256415A1 (en) 2020-06-26 2023-08-17 Basf Se Production of porous alpha-alumina supports from boehmitic derived aluminas
WO2021260182A1 (en) 2020-06-26 2021-12-30 Basf Se Process for producing a porous alpha-alumina catalyst support
WO2022268348A1 (en) 2021-06-25 2022-12-29 Basf Se High purity tableted alpha-alumina catalyst support
EP4457054A1 (en) 2021-12-30 2024-11-06 Saint-Gobain Abrasives, Inc. Abrasive articles and methods of forming same
AU2022426850B2 (en) 2021-12-30 2025-09-18 Saint-Gobain Abrasives, Inc. Abrasive articles and methods of forming same

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1134674A (zh) * 1993-03-01 1996-10-30 科学设计公司 制备银催化剂的方法
US5801259A (en) * 1996-04-30 1998-09-01 Shell Oil Company Ethylene oxide catalyst and process

Family Cites Families (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2709173A (en) * 1950-01-09 1955-05-24 California Research Corp Oxidation of olefins and catalyst therefor
US2765283A (en) * 1951-10-01 1956-10-02 Jefferson Chem Co Inc Supported silver surface catalyst and process of producing same
GB1170663A (en) 1967-03-22 1969-11-12 Shell Int Research Process for preparing Silver Catalysts
US3563913A (en) 1967-10-30 1971-02-16 Shell Oil Co Silver catalyst production
US4012425A (en) 1972-01-07 1977-03-15 Shell Oil Company Ethylene oxide process
US4010115A (en) 1972-01-07 1977-03-01 Shell Oil Company Catalyst for the oxidation of ethylene to ethylene oxide
GB1491447A (en) 1973-12-05 1977-11-09 Ici Ltd Alkylene oxide production and catalysts therefor
US4212772A (en) 1976-05-19 1980-07-15 Basf Aktiengesellschaft Catalyst for the manufacture of ethylene oxide
EP0002045B1 (de) 1977-11-19 1981-09-02 BASF Aktiengesellschaft Verfahren zur Herstellung eines Äthylenoxydkatalysators
DE2844402A1 (de) 1978-10-12 1980-04-30 Basf Ag Silber enthaltende traegerkatalysatoren, verfahren zu ihrer herstellung und verfahren zur herstellung von aethylenoxid mittels dieser katalysatoren
DE2933950A1 (de) * 1979-08-22 1981-03-12 Basf Ag Traegerkatalysatoren fuer die herstellung von aethylenoxid.
US4368144A (en) 1980-12-22 1983-01-11 Nippon Shokubai Kagaku Kogyo Co., Ltd. Silver catalyst for production of ethylene oxide
JPS57180434A (en) 1981-04-30 1982-11-06 Mitsubishi Petrochem Co Ltd Silver catalyst for production of ethylene oxide
DE3528313A1 (de) 1985-08-07 1987-02-12 Basf Ag Silberkatalysator, seine herstellung und verwendung
JPH084745B2 (ja) 1986-05-09 1996-01-24 三菱化学株式会社 エチレンオキシド製造用銀触媒
IL84232A (en) 1986-10-31 1992-06-21 Shell Int Research Catalyst and process for the catalytic production of ethylene oxide
US4766105A (en) 1986-10-31 1988-08-23 Shell Oil Company Ethylene oxide catalyst and process for preparing the catalyst
US4908343A (en) 1987-02-20 1990-03-13 Union Carbide Chemicals And Plastics Company Inc. Catalyst composition for oxidation of ethylene to ethylene oxide
US5057481A (en) 1987-02-20 1991-10-15 Union Carbide Chemicals And Plastics Technology Corporation Catalyst composition for oxidation of ethylene to ethylene oxide
EP0357292A1 (en) 1988-08-30 1990-03-07 Imperial Chemical Industries Plc Production of ethylene oxide and catalysts therefor
CA1337722C (en) * 1989-04-18 1995-12-12 Madan Mohan Bhasin Alkylene oxide catalysts having enhanced activity and/or stability
US5051395A (en) 1989-09-25 1991-09-24 Union Carbide Chemicals And Plastics Technology Corporation Alkylene oxide catalysts having enhanced activity and/or efficiency
US5187140A (en) † 1989-10-18 1993-02-16 Union Carbide Chemicals & Plastics Technology Corporation Alkylene oxide catalysts containing high silver content
US5102848A (en) 1990-09-28 1992-04-07 Union Carbide Chemicals & Plastics Technology Corporation Catalyst composition for oxidation of ethylene to ethylene oxide
US5447897A (en) 1993-05-17 1995-09-05 Shell Oil Company Ethylene oxide catalyst and process
ES2155111T3 (es) 1994-12-15 2001-05-01 Shell Int Research Procedimiento para preparar catalizadores para la obtencion de oxido de etileno.
US5705661A (en) 1995-09-25 1998-01-06 Mitsubishi Chemical Corporation Catalyst for production of ethylene oxide
US5733842A (en) † 1996-04-30 1998-03-31 Norton Checmical Process Products Corporation Method of making porous catalyst carrier without the addition of pore forming agents
EP0937498B1 (en) 1998-02-20 2004-08-18 Nippon Shokubai Co., Ltd. Silver catalyst for production of ethylene Oxide, method for production thereof, and method for production of ethylene oxide
EP1115485A1 (en) 1998-09-14 2001-07-18 Shell Internationale Researchmaatschappij B.V. Process for removing ionizable species from catalyst surface to improve catalytic properties
AU757735B2 (en) 1998-09-14 2003-03-06 Shell Internationale Research Maatschappij B.V. Epoxidation catalyst carrier, preparation and use thereof
KR100572967B1 (ko) 1998-09-14 2006-04-24 셀 인터나쵸나아레 레사아치 마아츠샤피 비이부이 개선된 촉매 성질을 지닌 촉매의 제조방법

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1134674A (zh) * 1993-03-01 1996-10-30 科学设计公司 制备银催化剂的方法
US5801259A (en) * 1996-04-30 1998-09-01 Shell Oil Company Ethylene oxide catalyst and process

Also Published As

Publication number Publication date
EP1492619B1 (en) 2011-01-26
TWI323259B (en) 2010-04-11
BR0309052B1 (pt) 2013-05-07
AU2003222129A1 (en) 2003-10-27
TW200306309A (enExample) 2003-11-16
US6750173B2 (en) 2004-06-15
CN1649671A (zh) 2005-08-03
ES2358322T3 (es) 2011-05-09
MXPA04009854A (es) 2005-02-14
DE60335866D1 (de) 2011-03-10
RU2004130467A (ru) 2005-08-10
BR0309052A (pt) 2005-03-29
EP1492619B2 (en) 2018-02-14
ATE496692T1 (de) 2011-02-15
US20030191019A1 (en) 2003-10-09
WO2003086624A1 (en) 2003-10-23
EP1492619A1 (en) 2005-01-05
RU2311958C2 (ru) 2007-12-10
AU2003222129B2 (en) 2006-10-12
AU2003222129A2 (en) 2003-10-27
KR20040097306A (ko) 2004-11-17
ES2358322T5 (es) 2018-04-18
KR100826146B1 (ko) 2008-04-30
CA2479237C (en) 2012-01-24
EP1492619A4 (en) 2009-05-27
JP5089013B2 (ja) 2012-12-05
JP2005526600A (ja) 2005-09-08
CA2479237A1 (en) 2003-10-23

Similar Documents

Publication Publication Date Title
CN1329119C (zh) 环氧乙烷催化剂
CN1126750C (zh) 环氧乙烷催化剂
JP4866235B2 (ja) 酸化エチレン触媒
RU2278730C2 (ru) Катализатор для окисления этилена и способ получения оксида этилена
CN1219892A (zh) 铌或钽改进的银催化剂
CN100393412C (zh) 环氧乙烷催化剂
CN1102436C (zh) 促进的银催化剂
KR20160011204A (ko) 감소된 소듐 함량을 가지는 은-기반 에틸렌 옥사이드 촉매
CN117258786A (zh) 一种乙烯氧化生产环氧乙烷用银催化剂及其制备方法与应用
MXPA99009341A (en) Ethylene oxide catalyst

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20070801