FR2332803A1 - Procede de production de catalyseurs d'(amm)oxydation a base de molybdene et de bismuth et nouveaux produits ainsi obtenus - Google Patents
Procede de production de catalyseurs d'(amm)oxydation a base de molybdene et de bismuth et nouveaux produits ainsi obtenusInfo
- Publication number
- FR2332803A1 FR2332803A1 FR7635834A FR7635834A FR2332803A1 FR 2332803 A1 FR2332803 A1 FR 2332803A1 FR 7635834 A FR7635834 A FR 7635834A FR 7635834 A FR7635834 A FR 7635834A FR 2332803 A1 FR2332803 A1 FR 2332803A1
- Authority
- FR
- France
- Prior art keywords
- molybdene
- catalyzers
- bismuth
- production
- new products
- 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.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C253/00—Preparation of carboxylic acid nitriles
- C07C253/24—Preparation of carboxylic acid nitriles by ammoxidation of hydrocarbons or substituted hydrocarbons
- C07C253/26—Preparation of carboxylic acid nitriles by ammoxidation of hydrocarbons or substituted hydrocarbons containing carbon-to-carbon multiple bonds, e.g. unsaturated aldehydes
-
- 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
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/85—Chromium, molybdenum or tungsten
- B01J23/88—Molybdenum
- B01J23/887—Molybdenum containing in addition other metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/8876—Arsenic, antimony or bismuth
-
- 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
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/14—Phosphorus; Compounds thereof
- B01J27/186—Phosphorus; Compounds thereof with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J27/188—Phosphorus; Compounds thereof with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium with chromium, molybdenum, tungsten or polonium
- B01J27/19—Molybdenum
- B01J27/192—Molybdenum with bismuth
-
- C—CHEMISTRY; METALLURGY
- 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
- C07C45/27—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation
- C07C45/32—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen
- C07C45/33—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of CHx-moieties
- C07C45/34—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of CHx-moieties in unsaturated compounds
-
- C—CHEMISTRY; METALLURGY
- 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
- C07C45/27—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation
- C07C45/32—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen
- C07C45/33—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of CHx-moieties
- C07C45/34—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of CHx-moieties in unsaturated compounds
- C07C45/35—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of CHx-moieties in unsaturated compounds in propene or isobutene
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
- C07C51/21—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
- C07C51/25—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of unsaturated compounds containing no six-membered aromatic ring
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
- C07C51/21—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
- C07C51/25—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of unsaturated compounds containing no six-membered aromatic ring
- C07C51/252—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of unsaturated compounds containing no six-membered aromatic ring of propene, butenes, acrolein or methacrolein
-
- 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
- B01J2523/00—Constitutive chemical elements of heterogeneous 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
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/636,011 US4040978A (en) | 1975-11-28 | 1975-11-28 | Production of (amm)oxidation catalyst |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2332803A1 true FR2332803A1 (fr) | 1977-06-24 |
FR2332803B1 FR2332803B1 (fr) | 1982-01-15 |
Family
ID=24550038
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7635834A Granted FR2332803A1 (fr) | 1975-11-28 | 1976-11-26 | Procede de production de catalyseurs d'(amm)oxydation a base de molybdene et de bismuth et nouveaux produits ainsi obtenus |
Country Status (14)
Country | Link |
---|---|
US (1) | US4040978A (fr) |
JP (1) | JPS6029536B2 (fr) |
AU (1) | AU502608B2 (fr) |
BE (1) | BE848793A (fr) |
BR (1) | BR7607932A (fr) |
CA (1) | CA1082165A (fr) |
DE (1) | DE2653863A1 (fr) |
DK (1) | DK535276A (fr) |
ES (1) | ES453604A1 (fr) |
FR (1) | FR2332803A1 (fr) |
GB (1) | GB1564545A (fr) |
IL (1) | IL50998A (fr) |
IT (1) | IT1107704B (fr) |
NL (1) | NL7613086A (fr) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2436135A1 (fr) * | 1978-09-13 | 1980-04-11 | Ube Industries | Procede pour la preparation catalytique de l'acrylonitrile |
FR2441423A1 (fr) * | 1978-11-13 | 1980-06-13 | Celanese Corp | Procede de preparation d'un catalyseur pour l'oxydation des olefines, catalyseur ainsi obtenu et procede d'oxydation des olefines en l'utilisant |
FR2502977A1 (fr) * | 1981-04-06 | 1982-10-08 | Euteco Impianti Spa | Catalyseur pour la conversion d'hydrocarbures insatures en diolefines ou/et en aldehydes et nitriles insatures, et procede pour la preparation de ce catalyseur |
FR2670685A1 (fr) * | 1990-12-20 | 1992-06-26 | Rhone Poulenc Chimie | Procede de preparation de catalyseurs enrobes a base de molybdates de bismuth et de fer dopes par du phosphore et du potassium. |
Families Citing this family (40)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4168246A (en) * | 1975-11-28 | 1979-09-18 | Monsanto Company | Production of (amm)oxidation catalyst |
US4148757A (en) * | 1977-08-10 | 1979-04-10 | The Standard Oil Company | Process for forming multi-component oxide complex catalysts |
US4212766A (en) * | 1978-04-21 | 1980-07-15 | Standard Oil Company | Process for forming multi-component oxide complex catalysts |
DE2849715A1 (de) * | 1978-11-16 | 1980-05-29 | Hoechst Ag | Traegerkatalysator und verfahren zu seiner herstellung |
US4405498A (en) * | 1979-12-17 | 1983-09-20 | Monsanto Company | Oxidation and ammoxidation catalysts |
DE3260617D1 (en) * | 1981-02-17 | 1984-10-04 | Standard Oil Co Ohio | Preparation of composite oxidation catalyst and use thereof for the production of unsaturated aldehydes and acids from propylene and isobutylene |
US4415482A (en) * | 1981-11-12 | 1983-11-15 | Monsanto Company | Oxidation and ammoxidation catalyst |
JPH01131336U (fr) * | 1988-03-01 | 1989-09-06 | ||
JP2520279B2 (ja) * | 1988-03-03 | 1996-07-31 | 日東化学工業株式会社 | アクリロニトリルの製造方法 |
JP2520282B2 (ja) * | 1988-04-15 | 1996-07-31 | 日東化学工業株式会社 | アクリロニトリルの製造方法 |
FR2670686B1 (fr) * | 1990-12-20 | 1994-08-12 | Rhone Poulenc Chimie | Composition catalytique pour la preparation d'aldehydes alpha,beta-insatures par oxydation d'olefines en phase gazeuse et procede d'oxydation. |
DE19517106C2 (de) * | 1995-05-10 | 1997-11-06 | Doerfert Hans Joachim | Sicherheitssystem für mit gefährlichen Stoffen kontaminierte Luft für einen Arbeitsraum einer Abzugwerkbank |
US5840648A (en) * | 1997-09-02 | 1998-11-24 | The Standard Oil Company | Catalyst for the manufacture of acrylonitrile and hydrogen cyanide |
US6017846A (en) * | 1999-01-11 | 2000-01-25 | Saudi Basic Industries Corporation | Highly active and selective catalysts for the production of unsaturated nitriles, methods of making and using the same |
US6037304A (en) * | 1999-01-11 | 2000-03-14 | Saudi Basic Industries Corporation | Highly active and selective catalysts for the production of unsaturated nitriles, methods of making and using the same |
US6486091B1 (en) | 2000-03-14 | 2002-11-26 | Saudi Basic Industries Corporation | Process for making highly active and selective catalysts for the production of unsaturated nitriles |
US7851397B2 (en) | 2005-07-25 | 2010-12-14 | Saudi Basic Industries Corporation | Catalyst for methacrolein oxidation and method for making and using same |
US7732367B2 (en) | 2005-07-25 | 2010-06-08 | Saudi Basic Industries Corporation | Catalyst for methacrolein oxidation and method for making and using same |
US7649112B2 (en) | 2005-07-25 | 2010-01-19 | Saudi Basic Industries Corporation | Integrated plant for producing 2-ethyl-hexanol and methacrylic acid and a method based thereon |
US7649111B2 (en) | 2005-07-25 | 2010-01-19 | Saudi Basic Industries Corporation | Catalyst for the oxidation of a mixed aldehyde feedstock to methacrylic acid and methods for making and using same |
KR101086731B1 (ko) * | 2008-10-17 | 2011-11-25 | 금호석유화학 주식회사 | 1-부텐의 산화/탈수소화 반응에서 1,3-부타디엔 제조용 비스무스 몰리브덴 철 복합 산화물 촉매 및 제조방법 |
US8153546B2 (en) | 2010-03-23 | 2012-04-10 | Ineos Usa Llc | Mixed metal oxide ammoxidation catalysts |
MX2012010925A (es) | 2010-03-23 | 2012-12-17 | Ineos Usa Llc | Proceso de amoxidacion de alta eficiencia y catalizadores de oxido de metal mezclados. |
US8455388B2 (en) | 2010-03-23 | 2013-06-04 | Ineos Usa Llc | Attrition resistant mixed metal oxide ammoxidation catalysts |
US8258073B2 (en) * | 2010-03-23 | 2012-09-04 | Ineos Usa Llc | Process for preparing improved mixed metal oxide ammoxidation catalysts |
US8420566B2 (en) * | 2010-03-23 | 2013-04-16 | Ineos Usa Llc | High efficiency ammoxidation process and mixed metal oxide catalysts |
US9433929B2 (en) | 2011-09-21 | 2016-09-06 | Ineos Europe Ag | Mixed metal oxide catalysts |
US8921257B2 (en) | 2011-12-02 | 2014-12-30 | Saudi Basic Industries Corporation | Dual function partial oxidation catalyst for propane to acrylic acid conversion |
DE102012010542A1 (de) | 2011-12-20 | 2013-06-20 | CCP Technology GmbH | Verfahren und anlage zur erzeugung von synthesegas |
US8722940B2 (en) | 2012-03-01 | 2014-05-13 | Saudi Basic Industries Corporation | High molybdenum mixed metal oxide catalysts for the production of unsaturated aldehydes from olefins |
US9211527B1 (en) | 2014-05-29 | 2015-12-15 | Ineos Europe Ag | Selective ammoxidation catalysts |
BR112016027658B1 (pt) | 2014-05-29 | 2021-09-28 | Ineos Europe Ag | Composições catalíticas |
US9844769B2 (en) | 2014-12-17 | 2017-12-19 | Ineos Europe Ag | Mixed metal oxide ammoxidation catalysts |
US9815045B2 (en) | 2015-03-23 | 2017-11-14 | Clariant Corporation | Metal oxide catalyst material and processes for making and using same |
KR20180100178A (ko) | 2016-01-09 | 2018-09-07 | 어센드 퍼포먼스 머티리얼즈 오퍼레이션즈 엘엘씨 | 아크릴로나이트릴 반응기 공급 스트림에서 사이안화 수소의 직접 제조를 위한 촉매 조성물 및 공정 |
US10626082B2 (en) | 2016-10-11 | 2020-04-21 | Ineos Europe Ag | Ammoxidation catalyst with selective co-product HCN production |
US10479759B2 (en) | 2017-02-08 | 2019-11-19 | Clariant Corporation | Synthetic methods for the preparation of propylene ammoxidation catalysts |
US10479760B2 (en) | 2017-02-08 | 2019-11-19 | Clariant Corporation | Synthetic methods for the preparation of propylene ammoxidation catalysts |
US11772080B2 (en) * | 2019-04-15 | 2023-10-03 | Asahi Kasei Kabushiki Kaisha | Catalyst, method for producing catalyst, and method for producing acrylonitrile |
EP4205844A4 (fr) * | 2020-11-17 | 2024-03-27 | Lg Chem, Ltd. | Catalyseur d'ammoxydation, son procédé de production, et procédé de production d'acrylonitrile à l'aide du catalyseur d'ammoxydation |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR79628E (fr) * | 1958-10-28 | 1962-12-28 | Montecatini Societa Gen Per L | Catalyseur pour la production de formaldéhyde à partir du méthanol |
FR1511572A (fr) * | 1965-08-25 | 1968-02-02 | Grace W R & Co | Oxydation des oléfines en acides carboxyliques à l'aide d'un catalyseur au molybdate de cobalt activé par du bismuth |
FR2233315A1 (fr) * | 1973-06-15 | 1975-01-10 | Standard Oil Co |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT674763A (fr) * | 1962-09-20 | |||
US3471556A (en) * | 1964-12-07 | 1969-10-07 | Nippon Kayaku Kk | Production of unsaturated aliphatic acids |
US3642930A (en) * | 1968-12-30 | 1972-02-15 | Standard Oil Co Ohio | Process for the manufacture of isoprene from isoamylenes and methyl butanols and catalyst therefor |
US3636066A (en) * | 1969-03-05 | 1972-01-18 | Ube Industries | Process for the manufacture of acrylonitrile by ammoxidation |
BE749305A (fr) * | 1969-05-02 | 1970-10-01 | Nippon Kayaku Kk | Catalyseur d'oxydation et son utilisation ( |
JPS4843096B1 (fr) * | 1970-01-31 | 1973-12-17 | ||
JPS529649B1 (fr) * | 1970-06-12 | 1977-03-17 | ||
US3746657A (en) * | 1971-06-28 | 1973-07-17 | Standard Oil Co | Catalyst manufacturing process |
-
1975
- 1975-11-28 US US05/636,011 patent/US4040978A/en not_active Expired - Lifetime
-
1976
- 1976-11-24 NL NL7613086A patent/NL7613086A/xx not_active Application Discontinuation
- 1976-11-24 ES ES453604A patent/ES453604A1/es not_active Expired
- 1976-11-26 DK DK535276A patent/DK535276A/da not_active Application Discontinuation
- 1976-11-26 IL IL50998A patent/IL50998A/xx unknown
- 1976-11-26 GB GB49423/76A patent/GB1564545A/en not_active Expired
- 1976-11-26 IT IT29851/76A patent/IT1107704B/it active
- 1976-11-26 AU AU20026/76A patent/AU502608B2/en not_active Expired
- 1976-11-26 BR BR7607932A patent/BR7607932A/pt unknown
- 1976-11-26 DE DE19762653863 patent/DE2653863A1/de active Granted
- 1976-11-26 CA CA266,654A patent/CA1082165A/fr not_active Expired
- 1976-11-26 BE BE172739A patent/BE848793A/fr not_active IP Right Cessation
- 1976-11-26 JP JP51142836A patent/JPS6029536B2/ja not_active Expired
- 1976-11-26 FR FR7635834A patent/FR2332803A1/fr active Granted
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR79628E (fr) * | 1958-10-28 | 1962-12-28 | Montecatini Societa Gen Per L | Catalyseur pour la production de formaldéhyde à partir du méthanol |
FR1511572A (fr) * | 1965-08-25 | 1968-02-02 | Grace W R & Co | Oxydation des oléfines en acides carboxyliques à l'aide d'un catalyseur au molybdate de cobalt activé par du bismuth |
FR2233315A1 (fr) * | 1973-06-15 | 1975-01-10 | Standard Oil Co |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2436135A1 (fr) * | 1978-09-13 | 1980-04-11 | Ube Industries | Procede pour la preparation catalytique de l'acrylonitrile |
FR2441423A1 (fr) * | 1978-11-13 | 1980-06-13 | Celanese Corp | Procede de preparation d'un catalyseur pour l'oxydation des olefines, catalyseur ainsi obtenu et procede d'oxydation des olefines en l'utilisant |
FR2502977A1 (fr) * | 1981-04-06 | 1982-10-08 | Euteco Impianti Spa | Catalyseur pour la conversion d'hydrocarbures insatures en diolefines ou/et en aldehydes et nitriles insatures, et procede pour la preparation de ce catalyseur |
FR2670685A1 (fr) * | 1990-12-20 | 1992-06-26 | Rhone Poulenc Chimie | Procede de preparation de catalyseurs enrobes a base de molybdates de bismuth et de fer dopes par du phosphore et du potassium. |
EP0493275A1 (fr) * | 1990-12-20 | 1992-07-01 | Rhone-Poulenc Chimie | Procédé de préparation de catalyseurs enrobés à base de molybdates de bismuth et de fer dopés par du phosphore et du potassium |
Also Published As
Publication number | Publication date |
---|---|
JPS5268094A (en) | 1977-06-06 |
DE2653863A1 (de) | 1977-06-08 |
ES453604A1 (es) | 1977-11-16 |
BE848793A (fr) | 1977-05-26 |
GB1564545A (en) | 1980-04-10 |
JPS6029536B2 (ja) | 1985-07-11 |
NL7613086A (nl) | 1977-06-01 |
CA1082165A (fr) | 1980-07-22 |
DE2653863C2 (fr) | 1988-10-20 |
AU2002676A (en) | 1978-06-01 |
BR7607932A (pt) | 1977-11-08 |
DK535276A (da) | 1977-05-29 |
FR2332803B1 (fr) | 1982-01-15 |
US4040978A (en) | 1977-08-09 |
IL50998A (en) | 1980-10-26 |
AU502608B2 (en) | 1979-08-02 |
IT1107704B (it) | 1985-11-25 |
IL50998A0 (en) | 1977-01-31 |
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