DD283950A5 - Katalysator und verfahren zur herstellung eines silbentraegerkatalysators - Google Patents

Katalysator und verfahren zur herstellung eines silbentraegerkatalysators Download PDF

Info

Publication number: DD283950A5
Authority: DD; German Democratic Republic
Prior art keywords: catalyst; solution; silver; temperature; cesium
Prior art date: 1988-06-27

Application number

DD89329872A

Other languages

German (de)

English (en)

Inventor

Kindtoken H Liu

Original Assignee

��@��@��k��Kk��

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.)

1988-06-27

Filing date

1989-06-22

Publication date

1990-10-31

1989-06-22 Application filed by ��@��@��k��Kk�� filed Critical ��@��@��k��Kk��

1990-10-31 Publication of DD283950A5 publication Critical patent/DD283950A5/de

Links

239000003054 catalyst Substances 0.000 title claims abstract description 121
BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 title claims description 28
229910052709 silver Inorganic materials 0.000 title claims description 28
239000004332 silver Substances 0.000 title claims description 28
238000004519 manufacturing process Methods 0.000 title abstract description 4
238000010438 heat treatment Methods 0.000 claims abstract description 48
238000000034 method Methods 0.000 claims abstract description 33
229910052783 alkali metal Inorganic materials 0.000 claims abstract description 29
150000001340 alkali metals Chemical class 0.000 claims abstract description 27
239000002253 acid Substances 0.000 claims abstract description 17
GGCZERPQGJTIQP-UHFFFAOYSA-N sodium;9,10-dioxoanthracene-2-sulfonic acid Chemical compound [Na+].C1=CC=C2C(=O)C3=CC(S(=O)(=O)O)=CC=C3C(=O)C2=C1 GGCZERPQGJTIQP-UHFFFAOYSA-N 0.000 claims abstract description 17
230000000694 effects Effects 0.000 claims abstract description 10
239000011261 inert gas Substances 0.000 claims abstract description 10
239000012876 carrier material Substances 0.000 claims abstract description 9
239000004215 Carbon black (E152) Substances 0.000 claims abstract description 8
229930195733 hydrocarbon Natural products 0.000 claims abstract description 8
150000002430 hydrocarbons Chemical class 0.000 claims abstract description 8
125000004432 carbon atom Chemical group C* 0.000 claims abstract description 5
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 5
229910052792 caesium Inorganic materials 0.000 claims description 34
TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 claims description 30
239000000463 material Substances 0.000 claims description 22
239000012018 catalyst precursor Substances 0.000 claims description 21
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 18
IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 claims description 15
239000011148 porous material Substances 0.000 claims description 12
HUCVOHYBFXVBRW-UHFFFAOYSA-M caesium hydroxide Inorganic materials [OH-].[Cs+] HUCVOHYBFXVBRW-UHFFFAOYSA-M 0.000 claims description 11
238000010926 purge Methods 0.000 claims description 11
VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 10
239000005977 Ethylene Substances 0.000 claims description 10
229910052757 nitrogen Inorganic materials 0.000 claims description 10
238000007254 oxidation reaction Methods 0.000 claims description 9
238000001816 cooling Methods 0.000 claims description 8
230000003647 oxidation Effects 0.000 claims description 8
239000011734 sodium Substances 0.000 claims description 8
-1 alkali metal salt Chemical class 0.000 claims description 7
229910052708 sodium Inorganic materials 0.000 claims description 7
229910052700 potassium Inorganic materials 0.000 claims description 5
229910052701 rubidium Inorganic materials 0.000 claims description 5
DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 4
ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 4
239000011591 potassium Substances 0.000 claims description 4
239000012808 vapor phase Substances 0.000 claims description 4
MFGOFGRYDNHJTA-UHFFFAOYSA-N 2-amino-1-(2-fluorophenyl)ethanol Chemical compound NCC(O)C1=CC=CC=C1F MFGOFGRYDNHJTA-UHFFFAOYSA-N 0.000 claims description 3
IDGUHHHQCWSQLU-UHFFFAOYSA-N ethanol;hydrate Chemical compound O.CCO IDGUHHHQCWSQLU-UHFFFAOYSA-N 0.000 claims description 3
238000011010 flushing procedure Methods 0.000 claims description 3
238000002360 preparation method Methods 0.000 claims description 3
IGLNJRXAVVLDKE-UHFFFAOYSA-N rubidium atom Chemical compound [Rb] IGLNJRXAVVLDKE-UHFFFAOYSA-N 0.000 claims description 3
150000001339 alkali metal compounds Chemical class 0.000 claims description 2
229940100890 silver compound Drugs 0.000 claims 2
150000003379 silver compounds Chemical class 0.000 claims 2
239000002243 precursor Substances 0.000 claims 1
239000012190 activator Substances 0.000 abstract description 5
230000002349 favourable effect Effects 0.000 abstract description 3
239000000243 solution Substances 0.000 description 33
RWGFKTVRMDUZSP-UHFFFAOYSA-N cumene Chemical compound CC(C)C1=CC=CC=C1 RWGFKTVRMDUZSP-UHFFFAOYSA-N 0.000 description 17
239000003513 alkali Substances 0.000 description 9
LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 8
238000012360 testing method Methods 0.000 description 8
238000011282 treatment Methods 0.000 description 8
239000007789 gas Substances 0.000 description 7
230000008021 deposition Effects 0.000 description 6
150000001875 compounds Chemical class 0.000 description 5
239000000203 mixture Substances 0.000 description 5
XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
238000006243 chemical reaction Methods 0.000 description 4
150000003839 salts Chemical class 0.000 description 4
NDVLTYZPCACLMA-UHFFFAOYSA-N silver oxide Chemical compound [O-2].[Ag+].[Ag+] NDVLTYZPCACLMA-UHFFFAOYSA-N 0.000 description 4
LMEWRZSPCQHBOB-UHFFFAOYSA-M silver;2-hydroxypropanoate Chemical compound [Ag+].CC(O)C([O-])=O LMEWRZSPCQHBOB-UHFFFAOYSA-M 0.000 description 4
PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
229910052760 oxygen Inorganic materials 0.000 description 3
150000003378 silver Chemical class 0.000 description 3
WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical compound ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 description 2
230000003213 activating effect Effects 0.000 description 2
229910052784 alkaline earth metal Inorganic materials 0.000 description 2
229910052786 argon Inorganic materials 0.000 description 2
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
229910052799 carbon Inorganic materials 0.000 description 2
239000001569 carbon dioxide Substances 0.000 description 2
229910002092 carbon dioxide Inorganic materials 0.000 description 2
XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 2
VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
238000013508 migration Methods 0.000 description 2
230000005012 migration Effects 0.000 description 2
239000001301 oxygen Substances 0.000 description 2
239000002245 particle Substances 0.000 description 2
238000000926 separation method Methods 0.000 description 2
239000000377 silicon dioxide Substances 0.000 description 2
229910001923 silver oxide Inorganic materials 0.000 description 2
239000000126 substance Substances 0.000 description 2
QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 1
WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical class [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 1
239000004115 Sodium Silicate Substances 0.000 description 1
BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
238000002441 X-ray diffraction Methods 0.000 description 1
238000010521 absorption reaction Methods 0.000 description 1
239000003377 acid catalyst Substances 0.000 description 1
150000001342 alkaline earth metals Chemical class 0.000 description 1
238000004458 analytical method Methods 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
229910002091 carbon monoxide Inorganic materials 0.000 description 1
238000002485 combustion reaction Methods 0.000 description 1
238000007865 diluting Methods 0.000 description 1
229910001882 dioxygen Inorganic materials 0.000 description 1
238000006073 displacement reaction Methods 0.000 description 1
238000002474 experimental method Methods 0.000 description 1
239000010946 fine silver Substances 0.000 description 1
229910052736 halogen Inorganic materials 0.000 description 1
150000002367 halogens Chemical class 0.000 description 1
229910052734 helium Inorganic materials 0.000 description 1
239000001307 helium Substances 0.000 description 1
SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
230000003100 immobilizing effect Effects 0.000 description 1
229910052751 metal Inorganic materials 0.000 description 1
239000002184 metal Substances 0.000 description 1
150000002739 metals Chemical class 0.000 description 1
238000002156 mixing Methods 0.000 description 1
238000012986 modification Methods 0.000 description 1
230000004048 modification Effects 0.000 description 1
230000001590 oxidative effect Effects 0.000 description 1
239000002574 poison Substances 0.000 description 1
231100000614 poison Toxicity 0.000 description 1
239000000376 reactant Substances 0.000 description 1
230000007420 reactivation Effects 0.000 description 1
238000012552 review Methods 0.000 description 1
239000012266 salt solution Substances 0.000 description 1
229920006395 saturated elastomer Polymers 0.000 description 1
HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
229910010271 silicon carbide Inorganic materials 0.000 description 1
229910001220 stainless steel Inorganic materials 0.000 description 1
239000010935 stainless steel Substances 0.000 description 1
239000007858 starting material Substances 0.000 description 1
239000000758 substrate Substances 0.000 description 1
230000002195 synergetic effect Effects 0.000 description 1
238000004876 x-ray fluorescence Methods 0.000 description 1

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
- B01J23/54—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
- B01J23/56—Platinum group metals
- B01J23/58—Platinum group metals with alkali- or alkaline earth metals
- 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
- 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
- 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
- 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
- Y02P20/584—Recycling of catalysts

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Catalysts (AREA)
Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

DD89329872A 1988-06-27 1989-06-22 Katalysator und verfahren zur herstellung eines silbentraegerkatalysators DD283950A5 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US07/212,304 US4897376A (en)	1988-06-27	1988-06-27	Process for preparing a catalyst for oxidation of ethylene to ethylene oxide

Publications (1)

Publication Number	Publication Date
DD283950A5 true DD283950A5 (de)	1990-10-31

Family

ID=22790460

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DD89329872A DD283950A5 (de)	1988-06-27	1989-06-22	Katalysator und verfahren zur herstellung eines silbentraegerkatalysators

Country Status (20)

Country	Link
US (1)	US4897376A (fr)
EP (1)	EP0349229B1 (fr)
JP (1)	JPH0747124B2 (fr)
KR (1)	KR900000116A (fr)
CN (1)	CN1023076C (fr)
AR (1)	AR245897A1 (fr)
AU (1)	AU614371B2 (fr)
BG (1)	BG50151A3 (fr)
BR (1)	BR8903122A (fr)
CA (1)	CA1333591C (fr)
DD (1)	DD283950A5 (fr)
DE (1)	DE68918349T2 (fr)
ES (1)	ES2060771T3 (fr)
MX (1)	MX170946B (fr)
MY (1)	MY105209A (fr)
NZ (1)	NZ229116A (fr)
RO (1)	RO105660B1 (fr)
RU (1)	RU2012397C1 (fr)
SA (1)	SA89100023B1 (fr)
YU (1)	YU47178B (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2720124B2 (ja)	1990-10-12	1998-02-25	ユニオン・カーバイド、ケミカルズ、アンド、プラスチックス、テクノロジー、コーポレーション	向上された活性度及び／又は安定度を有するアルキレンオキシド触媒
US6184175B1 (en) *	1993-03-01	2001-02-06	Scientic Design Company, Inc.	Process for preparing silver catalyst
US5525740A (en) *	1993-03-01	1996-06-11	Scientific Design Company, Inc.	Process for preparing silver catalyst and process of using same to produce ethylene oxide
US5602070A (en) *	1995-01-09	1997-02-11	Scientific Design Company, Inc.	Process for preparing silver catalyst
EP1386664B1 (fr) *	2002-07-31	2016-05-11	Ineos Technologies (Vinyls) Limited	Parallélépipède creux, approprié comme support catalytique pour des réactions exothermiques selectives
US7521393B2 (en) *	2004-07-27	2009-04-21	Süd-Chemie Inc	Selective hydrogenation catalyst designed for raw gas feed streams
WO2007129649A1 (fr) *	2006-05-02	2007-11-15	Nippon Shokubai Co., Ltd.	Catalyseur pour l'oxydation partielle d'oléfine, sa méthode de production et méthode pour produire de l'oxyde d'alcénylène
US20070280877A1 (en) *	2006-05-19	2007-12-06	Sawyer Technical Materials Llc	Alpha alumina supports for ethylene oxide catalysts and method of preparing thereof
US11439986B2 (en) *	2017-12-13	2022-09-13	Scientific Design Company, Inc.	Silver impregnation solution containing high-boiling oxygenated additive and its use in ethylene oxide catalyst preparation

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4207210A (en) *	1973-10-26	1980-06-10	Shell Oil Company	Process for preparing an ethylene oxide catalyst
JPS57107240A (en) *	1980-12-26	1982-07-03	Nippon Shokubai Kagaku Kogyo Co Ltd	Production of silver catalyst for producing ethylene oxide
US4760042A (en) *	1982-03-24	1988-07-26	Scientific Design Company, Inc.	Process for preparing an alkali metal-promoted silver catalyst
US4774222A (en) *	1982-06-16	1988-09-27	Scientific Design Company, Inc.	Catalyst for oxidation of ethylene to ethylene oxide and process for preparing the catalyst
US4555501A (en) *	1984-05-14	1985-11-26	The Halcon Sd Group, Inc.	Process for preparing silver catalysts
US4663303A (en) *	1986-02-24	1987-05-05	The Halcon Sd Group, Inc.	Process for preparing silver catalysts
DE3643248A1 (de) *	1986-12-18	1988-06-30	Basf Ag	Silberkatalysator, seine herstellung und verwendung

1988
- 1988-06-27 US US07/212,304 patent/US4897376A/en not_active Expired - Lifetime
1989
- 1989-05-15 NZ NZ229116A patent/NZ229116A/xx unknown
- 1989-05-17 MY MYPI89000657A patent/MY105209A/en unknown
- 1989-05-25 AU AU35211/89A patent/AU614371B2/en not_active Ceased
- 1989-06-12 CA CA000602437A patent/CA1333591C/fr not_active Expired - Fee Related
- 1989-06-20 BG BG088907A patent/BG50151A3/xx unknown
- 1989-06-21 RO RO140355A patent/RO105660B1/ro unknown
- 1989-06-22 DD DD89329872A patent/DD283950A5/de unknown
- 1989-06-22 YU YU128289A patent/YU47178B/sh unknown
- 1989-06-26 RU SU894614497A patent/RU2012397C1/ru active
- 1989-06-26 DE DE68918349T patent/DE68918349T2/de not_active Expired - Fee Related
- 1989-06-26 MX MX016609A patent/MX170946B/es unknown
- 1989-06-26 KR KR1019890008812A patent/KR900000116A/ko not_active Withdrawn
- 1989-06-26 ES ES89306432T patent/ES2060771T3/es not_active Expired - Lifetime
- 1989-06-26 BR BR898903122A patent/BR8903122A/pt not_active IP Right Cessation
- 1989-06-26 EP EP89306432A patent/EP0349229B1/fr not_active Expired - Lifetime
- 1989-06-27 JP JP1165129A patent/JPH0747124B2/ja not_active Expired - Fee Related
- 1989-06-28 AR AR89314245A patent/AR245897A1/es active
- 1989-07-03 CN CN89106410.9A patent/CN1023076C/zh not_active Expired - Fee Related
- 1989-10-02 SA SA89100023A patent/SA89100023B1/ar unknown

Also Published As

Publication number	Publication date
CA1333591C (fr)	1994-12-20
KR900000116A (ko)	1990-01-30
YU128289A (en)	1990-06-30
RU2012397C1 (ru)	1994-05-15
JPH0747124B2 (ja)	1995-05-24
NZ229116A (en)	1990-10-26
AU3521189A (en)	1990-01-04
ES2060771T3 (es)	1994-12-01
YU47178B (sh)	1995-01-31
MY105209A (en)	1994-08-30
BG50151A3 (en)	1992-05-15
AU614371B2 (en)	1991-08-29
RO105660B1 (ro)	1992-11-30
CN1023076C (zh)	1993-12-15
JPH0248040A (ja)	1990-02-16
CN1040157A (zh)	1990-03-07
SA89100023B1 (ar)	1999-05-30
EP0349229B1 (fr)	1994-09-21
EP0349229A1 (fr)	1990-01-03
DE68918349T2 (de)	1995-01-19
DE68918349D1 (de)	1994-10-27
US4897376A (en)	1990-01-30
BR8903122A (pt)	1990-02-06
AR245897A1 (es)	1994-03-30
MX170946B (es)	1993-09-22

Legal Events

Date	Code	Title	Description
2004-04-28	IF04	In force in the year 2004	Expiry date: 20090623

Publication	Publication Date	Title
DE2712785C2 (fr)	1987-07-30
DE3150205C2 (de)	1987-02-26	Verfahren zur Herstellung eines Silberkatalysators für die Produktion von Ethylenoxid
DE69729744T2 (de)	2005-07-14	Verbessertes verfahren für die herstellung von palladium - gold- trägerkatalysatoren
DE19713376B4 (de)	2011-09-15	Verfahren zur Herstellung eines Hydrierkatalysators zur Erzeugung von Wasserstoffperoxid
DE3321895C2 (fr)	1990-04-19
DE2755900A1 (de)	1978-06-22	Verfahren zur herstellung von aromatischen kohlenwasserstoffen
EP0208180B1 (fr)	1988-03-16	Procédé pour la préparation de 1,2-dichloroéthane par oxychloration d'éthylène sur des catalyseurs à support contenant du cuivre
DE1643152C3 (de)	1974-01-10	Verfahren zur katalytischen Dehydrierung eines gesättigten aliphatischen oder cycloaliphatischen Kohlenwasserstoffes
DE69826031T2 (de)	2005-09-08	Verfahren zur herstellung von vinylacetat unter verwendung eines katalysators enthaltend palladium, gold und andere drittmetalle
DE19803890A1 (de)	1999-08-05	Silberhaltige Trägerkatalysatoren und Katalysator-Zwischenprodukte, Verfahren zu ihrer Herstellung und ihre Verwendung
DD283950A5 (de)	1990-10-31	Katalysator und verfahren zur herstellung eines silbentraegerkatalysators
DD151878A5 (de)	1981-11-11	Traegerkatalysator aus silber
DE19546514B4 (de)	2004-02-05	Katalysator und dessen Verwendung
EP0271814B1 (fr)	1990-11-07	Catalyseur à l'argent, sa préparation et son utilisation
DD203827A5 (de)	1983-11-09	Verfahren zur herstellung eines silberkatalysators
EP0982070B1 (fr)	2003-10-29	Catalyseur de métathèse à base de rhénium, sa préparation et son utilisation
EP0029513A1 (fr)	1981-06-03	Procédé de séparation d'oléfines de gaz contenant des oléfines
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