CZ6893A3 - Method of improving catalytic activity of partially deactivated dissolved complex hydroformylating catalyst - Google Patents
Method of improving catalytic activity of partially deactivated dissolved complex hydroformylating catalyst Download PDFInfo
- Publication number
- CZ6893A3 CZ6893A3 CZ9368A CZ6893A CZ6893A3 CZ 6893 A3 CZ6893 A3 CZ 6893A3 CZ 9368 A CZ9368 A CZ 9368A CZ 6893 A CZ6893 A CZ 6893A CZ 6893 A3 CZ6893 A3 CZ 6893A3
- Authority
- CZ
- Czechia
- Prior art keywords
- hydroformylation
- rhodium
- catalyst
- complex
- tertiary
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 256
- 239000003054 catalyst Substances 0.000 title claims abstract description 176
- 230000003197 catalytic effect Effects 0.000 title claims abstract description 37
- 238000007037 hydroformylation reaction Methods 0.000 claims abstract description 236
- 230000008569 process Effects 0.000 claims abstract description 223
- 239000010948 rhodium Substances 0.000 claims abstract description 127
- 229910052703 rhodium Inorganic materials 0.000 claims abstract description 123
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 claims abstract description 122
- TVDSBUOJIPERQY-UHFFFAOYSA-N prop-2-yn-1-ol Chemical compound OCC#C TVDSBUOJIPERQY-UHFFFAOYSA-N 0.000 claims abstract description 45
- 239000007788 liquid Substances 0.000 claims description 124
- 239000003446 ligand Substances 0.000 claims description 122
- 239000002609 medium Substances 0.000 claims description 122
- 239000007858 starting material Substances 0.000 claims description 79
- 150000001299 aldehydes Chemical class 0.000 claims description 60
- 239000000243 solution Substances 0.000 claims description 57
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 29
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 24
- 239000007864 aqueous solution Substances 0.000 claims description 21
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- RIOQSEWOXXDEQQ-UHFFFAOYSA-N triphenylphosphine Chemical group C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 RIOQSEWOXXDEQQ-UHFFFAOYSA-N 0.000 claims description 19
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- 239000007791 liquid phase Substances 0.000 claims description 7
- 125000003118 aryl group Chemical group 0.000 claims description 5
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 5
- AMIMRNSIRUDHCM-UHFFFAOYSA-N Isopropylaldehyde Chemical compound CC(C)C=O AMIMRNSIRUDHCM-UHFFFAOYSA-N 0.000 claims description 4
- 239000012736 aqueous medium Substances 0.000 claims description 4
- 239000011734 sodium Substances 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 2
- 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 1
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Classifications
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- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
- B01J31/24—Phosphines, i.e. phosphorus bonded to only carbon atoms, or to both carbon and hydrogen atoms, including e.g. sp2-hybridised phosphorus compounds such as phosphabenzene, phosphole or anionic phospholide ligands
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- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
- B01J20/16—Alumino-silicates
- B01J20/18—Synthetic zeolitic molecular sieves
- B01J20/183—Physical conditioning without chemical treatment, e.g. drying, granulating, coating, irradiation
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- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
- B01D53/0462—Temperature swing adsorption
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
- B01D53/047—Pressure swing adsorption
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- 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
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/06—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04
- B01J20/08—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04 comprising aluminium oxide or hydroxide; comprising bauxite
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- 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
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
- B01J31/24—Phosphines, i.e. phosphorus bonded to only carbon atoms, or to both carbon and hydrogen atoms, including e.g. sp2-hybridised phosphorus compounds such as phosphabenzene, phosphole or anionic phospholide ligands
- B01J31/2404—Cyclic ligands, including e.g. non-condensed polycyclic ligands, the phosphine-P atom being a ring member or a substituent on the ring
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- B01J31/4038—Regeneration or reactivation of catalysts containing metals containing iron group metals, noble metals or copper containing noble metals
- B01J31/4046—Regeneration or reactivation of catalysts containing metals containing iron group metals, noble metals or copper containing noble metals containing rhodium
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- B01J38/00—Regeneration or reactivation of catalysts, in general
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- B01J38/60—Liquid treating or treating in liquid phase, e.g. dissolved or suspended using acids
- B01J38/62—Liquid treating or treating in liquid phase, e.g. dissolved or suspended using acids organic
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- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/49—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reaction with carbon monoxide
- C07C45/50—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reaction with carbon monoxide by oxo-reactions
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
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- B01J2231/00—Catalytic reactions performed with catalysts classified in B01J31/00
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- B01J2231/32—Addition reactions to C=C or C-C triple bonds
- B01J2231/321—Hydroformylation, metalformylation, carbonylation or hydroaminomethylation
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
- B01J2531/80—Complexes comprising metals of Group VIII as the central metal
- B01J2531/82—Metals of the platinum group
- B01J2531/822—Rhodium
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- 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
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
- B01J31/0201—Oxygen-containing compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
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- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
- B01J31/0234—Nitrogen-, phosphorus-, arsenic- or antimony-containing compounds
- B01J31/0235—Nitrogen containing compounds
-
- 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
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
- B01J31/04—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing carboxylic acids or their salts
-
- 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
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S95/00—Gas separation: processes
- Y10S95/90—Solid sorbent
- Y10S95/902—Molecular sieve
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
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Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/825,083 US5237106A (en) | 1992-01-24 | 1992-01-24 | Reactivation of hydroformylation catalysts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CZ6893A3 true CZ6893A3 (en) | 1993-10-13 |
Family
ID=25243072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CZ9368A CZ6893A3 (en) | 1992-01-24 | 1993-01-22 | Method of improving catalytic activity of partially deactivated dissolved complex hydroformylating catalyst |
Country Status (22)
| Country | Link |
|---|---|
| US (1) | US5237106A (OSRAM) |
| EP (1) | EP0552797B1 (OSRAM) |
| JP (1) | JP2742860B2 (OSRAM) |
| KR (1) | KR0131293B1 (OSRAM) |
| CN (1) | CN1074632A (OSRAM) |
| AT (1) | ATE136016T1 (OSRAM) |
| AU (1) | AU3196393A (OSRAM) |
| BR (1) | BR9300259A (OSRAM) |
| CA (1) | CA2087892A1 (OSRAM) |
| CZ (1) | CZ6893A3 (OSRAM) |
| DE (1) | DE69301930T2 (OSRAM) |
| ES (1) | ES2085060T3 (OSRAM) |
| FI (1) | FI930281A7 (OSRAM) |
| HU (1) | HUT66778A (OSRAM) |
| MX (1) | MX9300329A (OSRAM) |
| NO (1) | NO930219L (OSRAM) |
| PL (1) | PL170460B1 (OSRAM) |
| RO (1) | RO111739B1 (OSRAM) |
| SA (1) | SA93130348B1 (OSRAM) |
| SK (1) | SK2693A3 (OSRAM) |
| TW (1) | TW228480B (OSRAM) |
| ZA (1) | ZA93501B (OSRAM) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10005084C1 (de) * | 2000-02-04 | 2001-09-13 | Celanese Chem Europe Gmbh | Verfahren zur Wiedergewinnung von Rhodium aus Reaktionsprodukten der Oxosynthese |
| GB0113079D0 (en) * | 2001-05-30 | 2001-07-18 | Kvaerner Process Tech Ltd | Process |
| US7638039B2 (en) * | 2004-06-15 | 2009-12-29 | Cormetech, Inc. | In-situ catalyst replacement |
| CN100526279C (zh) * | 2006-04-11 | 2009-08-12 | 中国科学院兰州化学物理研究所 | 连续制备正戊醛的工艺过程 |
| US7962486B2 (en) * | 2008-01-10 | 2011-06-14 | International Business Machines Corporation | Method and system for discovery and modification of data cluster and synonyms |
| CN102950027B (zh) * | 2011-08-30 | 2015-03-25 | 中国石油化工股份有限公司 | 用于羰基化反应的失活铑配合物催化剂的再生方法 |
| CN102950028B (zh) * | 2011-08-31 | 2015-02-25 | 中国石油化工股份有限公司 | 用于羰基化反应的失活铑膦配合物催化剂的再生方法 |
| WO2013183796A1 (en) * | 2012-06-04 | 2013-12-12 | Lg Chem, Ltd. | Hydroformylation method having improved catalyst stability in reaction |
| CN103506167B (zh) * | 2012-06-27 | 2015-08-19 | 中国石油化工股份有限公司 | 一种失活铑膦催化剂的处理方法 |
| CN103506166B (zh) * | 2012-06-27 | 2015-08-19 | 中国石油化工股份有限公司 | 失活铑膦催化剂的活化方法 |
| CN103769225B (zh) * | 2012-10-22 | 2016-03-02 | 中国石油化工股份有限公司 | 羰基化反应失活或部分失活铑膦催化剂的再生方法 |
| CN104045532B (zh) | 2013-03-15 | 2018-05-25 | 陶氏技术投资有限责任公司 | 加氢甲酰化方法 |
| CN104248994B (zh) * | 2013-06-25 | 2018-03-20 | 中国石油化工股份有限公司 | 羰基化铑膦催化剂的活性恢复方法 |
| CN104513143A (zh) | 2013-09-26 | 2015-04-15 | 陶氏技术投资有限责任公司 | 加氢甲酰化方法 |
| CN112055614A (zh) | 2018-05-30 | 2020-12-08 | 陶氏技术投资有限责任公司 | 包括单膦、四膦配位体的组合的催化剂组合物和使用其的加氢甲酰化过程 |
| EP3802476B1 (en) | 2018-05-30 | 2022-04-13 | Dow Technology Investments LLC | Methods of controlling hydroformylation processes |
| KR20250057144A (ko) | 2018-05-30 | 2025-04-28 | 다우 테크놀로지 인베스트먼츠 엘엘씨. | 하이드로포밀화 공정에서 촉매의 탈활성화를 느리게 하고/하거나 테트라포스핀 리간드 사용을 느리게 하는 방법 |
| EP3990176B1 (en) | 2019-06-27 | 2024-11-06 | Dow Technology Investments LLC | Process to prepare solution from hydroformylation process for precious metal recovery |
| TWI874467B (zh) * | 2019-11-05 | 2025-03-01 | 美商陶氏科技投資有限公司 | 用於自c6或更高碳數烯烴氫甲醯化製程之催化劑淨化流回收銠之方法 |
| WO2022066596A1 (en) * | 2020-09-25 | 2022-03-31 | Lyondell Chemical Technology, L.P. | Co-feeding ethylene with allyl alcohol in hydroformylation to make 1,4-butanediol and n-propanol |
| WO2022211930A1 (en) | 2021-03-31 | 2022-10-06 | Dow Technology Investments Llc | Hydroformylation processes |
| CN120282943A (zh) | 2022-12-13 | 2025-07-08 | 陶氏技术投资有限责任公司 | 通过利用降解产物使多膦使用最小化的方法 |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1219763A (en) * | 1967-02-02 | 1971-01-20 | Johnson Matthey & Company | Improvements in catalytic hydrogenation or hydroformylation |
| US3555098A (en) * | 1967-12-13 | 1971-01-12 | Union Oil Co | Hydroformylation |
| JPS5114482A (ja) * | 1974-07-26 | 1976-02-04 | Atsugi Kinzoku Kogyo Kk | Kanguchiseizohoho |
| US4277627A (en) * | 1977-01-25 | 1981-07-07 | Union Carbide Corporation | Hydroformylation process |
| EP0007768A3 (en) * | 1978-07-27 | 1980-02-20 | DAVY McKEE (LONDON) LIMITED | Hydroformylation of alpha-olefinic compounds |
| US4297239A (en) * | 1979-07-16 | 1981-10-27 | Union Carbide Corporation | Hydroformylation catalyst reactivation |
| JPS5633040A (en) * | 1979-08-27 | 1981-04-03 | Mitsubishi Chem Ind Ltd | Activation of rhodium complex catalyst |
| US4292196A (en) * | 1979-12-10 | 1981-09-29 | Uop Inc. | Catalyst recovery |
| US4374278A (en) * | 1980-02-28 | 1983-02-15 | Union Carbide Corporation | Hydroformylation catalyst reactivation |
| US4605780A (en) * | 1980-09-24 | 1986-08-12 | Union Carbide Corporation | Reactivation of rhodium complex hydroformylation catalysts |
| JPS5923858B2 (ja) * | 1981-01-22 | 1984-06-05 | 三菱化学株式会社 | ロジウム錯体の取得方法 |
| DE3534314A1 (de) * | 1985-09-26 | 1987-04-02 | Ruhrchemie Ag | Verfahren zur herstellung von aldehyden |
| US4845306A (en) * | 1987-04-24 | 1989-07-04 | Eastman Kodak Company | Catalyst material recovery or concentration process |
| US4861918A (en) * | 1988-08-12 | 1989-08-29 | Union Carbide Corporation | Reactivation of hydroformylation catalysts |
| US4929767A (en) * | 1988-08-12 | 1990-05-29 | Union Carbide Chemicals And Plastics Company Inc. | Treatment of rhodium catalysts |
| US4950629A (en) * | 1988-12-27 | 1990-08-21 | Eli Lilly And Company | Process for catalyst recovery |
| US5183943A (en) * | 1991-03-18 | 1993-02-02 | Union Carbide Chemicals & Plastics Technology Corporation | Reactivation of hydroformylation catalysts |
-
1992
- 1992-01-24 US US07/825,083 patent/US5237106A/en not_active Expired - Lifetime
-
1993
- 1993-01-21 KR KR1019930000795A patent/KR0131293B1/ko not_active Expired - Lifetime
- 1993-01-22 MX MX9300329A patent/MX9300329A/es unknown
- 1993-01-22 CN CN93100631A patent/CN1074632A/zh active Pending
- 1993-01-22 ZA ZA93501A patent/ZA93501B/xx unknown
- 1993-01-22 SK SK26-93A patent/SK2693A3/sk unknown
- 1993-01-22 HU HU9300185A patent/HUT66778A/hu unknown
- 1993-01-22 AU AU31963/93A patent/AU3196393A/en not_active Abandoned
- 1993-01-22 ES ES93100965T patent/ES2085060T3/es not_active Expired - Lifetime
- 1993-01-22 RO RO93-00072A patent/RO111739B1/ro unknown
- 1993-01-22 BR BR9300259A patent/BR9300259A/pt not_active Application Discontinuation
- 1993-01-22 CZ CZ9368A patent/CZ6893A3/cs unknown
- 1993-01-22 DE DE69301930T patent/DE69301930T2/de not_active Expired - Lifetime
- 1993-01-22 AT AT93100965T patent/ATE136016T1/de not_active IP Right Cessation
- 1993-01-22 EP EP93100965A patent/EP0552797B1/en not_active Expired - Lifetime
- 1993-01-22 FI FI930281A patent/FI930281A7/fi not_active Application Discontinuation
- 1993-01-22 JP JP5026003A patent/JP2742860B2/ja not_active Expired - Lifetime
- 1993-01-22 PL PL93297519A patent/PL170460B1/pl not_active IP Right Cessation
- 1993-01-22 NO NO93930219A patent/NO930219L/no unknown
- 1993-01-22 CA CA002087892A patent/CA2087892A1/en not_active Abandoned
- 1993-01-24 SA SA93130348A patent/SA93130348B1/ar unknown
- 1993-02-19 TW TW082101176A patent/TW228480B/zh not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| HU9300185D0 (en) | 1993-04-28 |
| KR930016146A (ko) | 1993-08-26 |
| HUT66778A (en) | 1994-12-28 |
| TW228480B (OSRAM) | 1994-08-21 |
| ZA93501B (en) | 1993-08-25 |
| CN1074632A (zh) | 1993-07-28 |
| US5237106A (en) | 1993-08-17 |
| PL297519A1 (en) | 1993-08-23 |
| JP2742860B2 (ja) | 1998-04-22 |
| EP0552797B1 (en) | 1996-03-27 |
| NO930219D0 (no) | 1993-01-22 |
| RO111739B1 (ro) | 1997-01-30 |
| AU3196393A (en) | 1993-07-29 |
| KR0131293B1 (ko) | 1998-04-14 |
| FI930281A0 (fi) | 1993-01-22 |
| DE69301930D1 (de) | 1996-05-02 |
| EP0552797A1 (en) | 1993-07-28 |
| ATE136016T1 (de) | 1996-04-15 |
| FI930281L (fi) | 1993-07-25 |
| DE69301930T2 (de) | 1996-10-02 |
| SA93130348B1 (ar) | 2005-07-02 |
| BR9300259A (pt) | 1993-08-24 |
| JPH05261296A (ja) | 1993-10-12 |
| FI930281A7 (fi) | 1993-07-25 |
| MX9300329A (es) | 1994-06-30 |
| ES2085060T3 (es) | 1996-05-16 |
| PL170460B1 (pl) | 1996-12-31 |
| CA2087892A1 (en) | 1993-07-25 |
| NO930219L (no) | 1993-07-26 |
| SK2693A3 (en) | 1993-11-10 |
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