ATE28853T1 - Verfahren zur herstellung von 1,1,2,3tetrachloropropen. - Google Patents
Verfahren zur herstellung von 1,1,2,3tetrachloropropen.Info
- Publication number
- ATE28853T1 ATE28853T1 AT84870092T AT84870092T ATE28853T1 AT E28853 T1 ATE28853 T1 AT E28853T1 AT 84870092 T AT84870092 T AT 84870092T AT 84870092 T AT84870092 T AT 84870092T AT E28853 T1 ATE28853 T1 AT E28853T1
- Authority
- AT
- Austria
- Prior art keywords
- tetrachloropropene
- preparation
- disclosed
- ferric chloride
- chloride catalyst
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/26—Preparation of halogenated hydrocarbons by reactions involving an increase in the number of carbon atoms in the skeleton
- C07C17/272—Preparation of halogenated hydrocarbons by reactions involving an increase in the number of carbon atoms in the skeleton by addition reactions
- C07C17/275—Preparation of halogenated hydrocarbons by reactions involving an increase in the number of carbon atoms in the skeleton by addition reactions of hydrocarbons and halogenated hydrocarbons
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C21/00—Acyclic unsaturated compounds containing halogen atoms
- C07C21/02—Acyclic unsaturated compounds containing halogen atoms containing carbon-to-carbon double bonds
- C07C21/04—Chloro-alkenes
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/013—Preparation of halogenated hydrocarbons by addition of halogens
- C07C17/04—Preparation of halogenated hydrocarbons by addition of halogens to unsaturated halogenated hydrocarbons
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/25—Preparation of halogenated hydrocarbons by splitting-off hydrogen halides from halogenated hydrocarbons
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/35—Preparation of halogenated hydrocarbons by reactions not affecting the number of carbon or of halogen atoms in the reaction
- C07C17/358—Preparation of halogenated hydrocarbons by reactions not affecting the number of carbon or of halogen atoms in the reaction by isomerisation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/38—Separation; Purification; Stabilisation; Use of additives
- C07C17/383—Separation; Purification; Stabilisation; Use of additives by distillation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/38—Separation; Purification; Stabilisation; Use of additives
- C07C17/383—Separation; Purification; Stabilisation; Use of additives by distillation
- C07C17/386—Separation; Purification; Stabilisation; Use of additives by distillation with auxiliary compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/511,131 US4535194A (en) | 1983-07-06 | 1983-07-06 | Process for producing 1,1,2,3-tetrachloropropene |
EP84870092A EP0131560B1 (de) | 1983-07-06 | 1984-07-04 | Verfahren zur Herstellung von 1,1,2,3-Tetrachloropropen |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE28853T1 true ATE28853T1 (de) | 1987-08-15 |
Family
ID=24033582
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT84870092T ATE28853T1 (de) | 1983-07-06 | 1984-07-04 | Verfahren zur herstellung von 1,1,2,3tetrachloropropen. |
Country Status (13)
Country | Link |
---|---|
US (1) | US4535194A (de) |
EP (1) | EP0131560B1 (de) |
JP (1) | JPS6036429A (de) |
KR (1) | KR850001144A (de) |
AT (1) | ATE28853T1 (de) |
AU (1) | AU3031884A (de) |
CA (1) | CA1230132A (de) |
DE (1) | DE3465290D1 (de) |
DK (1) | DK329784A (de) |
HU (1) | HUT34422A (de) |
IL (1) | IL72305A0 (de) |
SU (2) | SU1452476A3 (de) |
ZA (1) | ZA845179B (de) |
Families Citing this family (85)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0247215A1 (de) * | 1986-05-26 | 1987-12-02 | Halocarbon Products Corporation | Verfahren zur Herstellung von 1,1,1,3-Tetrachlorpropan |
US4650914A (en) * | 1983-07-06 | 1987-03-17 | Monsanto Company | Process for producing 1,1,2,3-tetrachloropropene |
DE3511153A1 (de) * | 1985-03-27 | 1986-10-02 | Wacker-Chemie GmbH, 8000 München | Verfahren zur herstellung von verbindungen mit mehrfach durch chlor substituiertem alkylrest |
US6534688B2 (en) | 2001-06-11 | 2003-03-18 | Vulcan Chemicals | Dehydrochlorination stabilization of polychlorinated alkanes |
US6500995B1 (en) | 2001-06-14 | 2002-12-31 | Vulcan Chemicals | Water-enhanced production of 1,1,1,3,3,-pentachloropropane |
US7094936B1 (en) * | 2001-07-20 | 2006-08-22 | Great Lakes Chemical Corporation | Process for preparing halogenated alkanes |
US20050177012A1 (en) * | 2001-07-20 | 2005-08-11 | Pcbu Services, Inc. | Halocarbon production processes, halocarbon separation processes, and halocarbon separation systems |
US20030028057A1 (en) * | 2001-07-20 | 2003-02-06 | Stephen Owens | Methods and materials for the preparation and purification of halogenated hydrocarbons |
MXPA06012466A (es) * | 2004-04-29 | 2007-01-31 | Honeywell Int Inc | Procesos para la sintesis de 1,3,3,3-tetrafluoropropeno y 2,3,3,3-tetrafluoropropeno. |
CN1298687C (zh) * | 2004-09-30 | 2007-02-07 | 南京博臣农化有限公司 | 一种2,3-二氯丙烯的制备工艺 |
US20070106099A1 (en) * | 2005-11-10 | 2007-05-10 | Pcbu Services, Inc. | Production processes and systems |
FI3336073T3 (fi) * | 2006-01-03 | 2023-01-31 | Menetelmä fluorattujen orgaanisten yhdisteiden tuottamiseksi | |
US8071825B2 (en) | 2006-01-03 | 2011-12-06 | Honeywell International Inc. | Method for producing fluorinated organic compounds |
US8063257B2 (en) | 2007-01-03 | 2011-11-22 | Honeywell International Inc. | Method for producing 2,3,3,3-tetrafluoropropene |
US8563789B2 (en) * | 2007-06-27 | 2013-10-22 | Arkema Inc. | Process for the manufacture of hydrofluoroolefins |
US8258355B2 (en) * | 2007-07-25 | 2012-09-04 | Honeywell International Inc. | Processes for preparing 1,1,2,3-tetrachloropropene |
PL2687504T3 (pl) * | 2007-12-19 | 2016-04-29 | Occidental Chem Co | Sposoby wytwarzania chlorowanych węglowodorów |
JP6022770B2 (ja) * | 2008-10-13 | 2016-11-09 | ブルー キューブ アイピー エルエルシー | 塩素化及び/又はフッ素化プロペンの製造方法 |
US8008243B2 (en) | 2008-10-31 | 2011-08-30 | Honeywell International Inc. | Azeotrope-like compositions of 1,1,2,3-tetrachloropropene and hydrogen fluoride |
JP2010229047A (ja) * | 2009-03-26 | 2010-10-14 | Tokuyama Corp | トリクロロプロペンの製造方法 |
JP2010229092A (ja) * | 2009-03-27 | 2010-10-14 | Tokuyama Corp | トリクロロプロペンの製造方法 |
JP2010248104A (ja) * | 2009-04-14 | 2010-11-04 | Tokuyama Corp | 1,1,1,2,3−ペンタクロロプロパンの製造方法 |
EP2463261A3 (de) * | 2009-06-24 | 2012-12-19 | Tokuyama Corporation | Verfahren zur Herstellung eines chlorinierten Kohlenwasserstoffes |
JP5495676B2 (ja) * | 2009-08-27 | 2014-05-21 | 株式会社トクヤマ | クロロアルカンの製造方法 |
KR101671948B1 (ko) * | 2009-08-31 | 2016-11-03 | 스미또모 가가꾸 가부시키가이샤 | 1,1,3-트리클로로-1-프로펜의 제조 방법 |
JP2011057650A (ja) * | 2009-09-14 | 2011-03-24 | Tokuyama Corp | クロロプロペンの製造方法 |
US8581011B2 (en) * | 2009-10-09 | 2013-11-12 | Dow Global Technologies, Llc | Process for the production of chlorinated and/or fluorinated propenes |
KR20120093202A (ko) * | 2009-10-09 | 2012-08-22 | 다우 글로벌 테크놀로지스 엘엘씨 | 단열식 플러그 흐름 반응기 및 염화 및/또는 불화 프로펜 및 고급 알켄의 제조 방법 |
CN102596387B (zh) * | 2009-10-09 | 2015-11-25 | 陶氏环球技术有限责任公司 | 生产氯化和/或氟化丙烯和高级烯烃的等温多管反应器和方法 |
JP5767231B2 (ja) * | 2009-10-09 | 2015-08-19 | ダウ グローバル テクノロジーズ エルエルシー | 塩素化及び/又はフッ素化されたプロペン及びより高級なアルケンを製造するプロセス |
JP5532131B2 (ja) * | 2009-11-27 | 2014-06-25 | ダイキン工業株式会社 | 1,1,2,3−テトラクロロプロペンの製造方法 |
US8426655B2 (en) | 2010-03-26 | 2013-04-23 | Honeywell International Inc. | Process for the manufacture of hexafluoro-2-butene |
JP5599271B2 (ja) * | 2010-09-13 | 2014-10-01 | 株式会社トクヤマ | クロロプロパンの製造方法 |
CN103119006A (zh) * | 2010-10-22 | 2013-05-22 | 株式会社德山 | 用于制造聚氯丙烷的连续分批反应方法 |
JP5783707B2 (ja) * | 2010-11-15 | 2015-09-24 | 株式会社トクヤマ | ポリクロロプロパンを製造するための連続バッチ反応方法 |
JP5642495B2 (ja) * | 2010-10-22 | 2014-12-17 | 株式会社トクヤマ | ポリクロロプロパンを製造するための連続バッチ反応方法 |
US8586804B2 (en) * | 2010-12-01 | 2013-11-19 | E. I. Du Pont De Nemours And Company | Synthesis of 1,1,3-trichloro-1-propene |
JP5653833B2 (ja) * | 2010-12-16 | 2015-01-14 | 株式会社トクヤマ | ポリクロロプロパンの製造方法 |
MY156657A (en) | 2010-12-16 | 2016-03-15 | Tokuyama Corp | Method of producing a chlorinated hydrocarbon having 3 carbon atoms |
CN102199071B (zh) * | 2011-04-08 | 2013-05-01 | 北京宇极科技发展有限公司 | 一种2,3,3,3-四氟丙烯的合成方法 |
US8907149B2 (en) | 2011-05-31 | 2014-12-09 | Dow Global Technologies Llc | Process for the production of chlorinated propenes |
WO2012166394A1 (en) | 2011-05-31 | 2012-12-06 | Dow Global Technologies, Llc | Process for the production of chlorinated propenes |
US8835702B2 (en) * | 2011-06-03 | 2014-09-16 | Honeywell International Inc. | Method for mitigating the formation of by-products during the production of haloalkane compounds |
CN106977365A (zh) | 2011-06-08 | 2017-07-25 | 陶氏益农公司 | 生产氯化和/或氟化丙烯的方法 |
US8907148B2 (en) * | 2011-08-07 | 2014-12-09 | Dow Global Technologies Llc | Process for the production of chlorinated propenes |
US9233896B2 (en) | 2011-08-07 | 2016-01-12 | Blue Cube Ip Llc | Process for the production of chlorinated propenes |
US20140256995A1 (en) * | 2011-09-30 | 2014-09-11 | Honeywell International Inc. | Process for producing 2,3,3,3-tetrafluoropropene |
EP2766331B1 (de) * | 2011-10-14 | 2021-01-06 | Honeywell International, Inc. | Verfahren zur herstellung von 2,3,3,3-tetrafluorpropen |
CN104039744B (zh) | 2011-11-21 | 2016-04-20 | 陶氏环球技术有限责任公司 | 制备氯化烷烃的方法 |
EP2785671B1 (de) | 2011-12-02 | 2017-03-01 | Blue Cube IP LLC | Verfahren zur herstellung von chlorierten propanen |
CA2856545A1 (en) | 2011-12-02 | 2013-06-06 | Dow Global Technologies Llc | Process for the production of chlorinated alkanes |
US9334205B2 (en) | 2011-12-13 | 2016-05-10 | Blue Cube Ip Llc | Process for the production of chlorinated propanes and propenes |
JP2015503523A (ja) | 2011-12-22 | 2015-02-02 | ダウ グローバル テクノロジーズ エルエルシー | テトラクロロメタンの製造方法 |
US9512049B2 (en) | 2011-12-23 | 2016-12-06 | Dow Global Technologies Llc | Process for the production of alkenes and/or aromatic compounds |
WO2014046970A1 (en) | 2012-09-20 | 2014-03-27 | Dow Global Technologies, Llc | Process for the production of chlorinated propenes |
EP2897932A1 (de) | 2012-09-20 | 2015-07-29 | Dow Global Technologies LLC | Verfahren zur herstellung von chlorierten propenen |
WO2014052945A2 (en) | 2012-09-30 | 2014-04-03 | Dow Global Technologies, Llc | Weir quench and processes incorporating the same |
CA2887559A1 (en) | 2012-10-26 | 2014-05-01 | Dow Global Technologies Llc | Mixer and reactor and process incorporating the same |
EP2935165A1 (de) | 2012-12-18 | 2015-10-28 | Blue Cube IP LLC | Verfahren zur herstellung von chlorierten propenen |
WO2014100039A1 (en) | 2012-12-19 | 2014-06-26 | Dow Global Technologies, Llc | Process for the production of chlorinated propenes |
US8889930B2 (en) | 2013-01-22 | 2014-11-18 | Axiall Ohio, Inc. | Process for producing chlorinated hydrocarbons |
US9289758B2 (en) | 2013-01-22 | 2016-03-22 | Axiall Ohio, Inc. | Processes for producing chlorinated hydrocarbons and methods for recovering polyvalent antimony catalysts therefrom |
US8907147B2 (en) * | 2013-02-04 | 2014-12-09 | Honeywell International Inc. | Synthesis of 1,1,2,3-tetrachloropropene |
US8877991B2 (en) * | 2013-02-19 | 2014-11-04 | Honeywell International Inc. | Methods for the dehydrochlorination of 1,1,1,3-tetrachloropropane to 1,1,3-trichloropropene |
US8889929B2 (en) | 2013-02-19 | 2014-11-18 | Honeywell International Inc. | Process to make 1,1,2,3-tetrachloropropene from 1,1,3-trichloropropene and/or 3,3,3-trichloropropene |
WO2014134233A2 (en) | 2013-02-27 | 2014-09-04 | Dow Global Technologies Llc | Process for the production of chlorinated propenes |
JP6449791B2 (ja) | 2013-03-09 | 2019-01-09 | ブルー キューブ アイピー エルエルシー | クロロアルカンの製造方法 |
US8889928B2 (en) | 2013-03-12 | 2014-11-18 | Honeywell International Inc. | Method to improve 1,1,3-trichloropropene and/or 3,3,3-trichloropropene selectivity during the dehydrochlorination of 1,1,1,3-tetrachloropropane |
US8889927B2 (en) * | 2013-03-12 | 2014-11-18 | Honeywell International Inc. | Method to reduce the formation of high boiling compounds during the dehydrochlorination of 1,1,1,3-tetrachloropropane |
CN103524296B (zh) * | 2013-09-17 | 2015-04-29 | 浙江衢化氟化学有限公司 | 一种1,1,2,3-四氯丙烯的制备方法 |
US9139497B2 (en) | 2013-10-23 | 2015-09-22 | Axiall Ohio, Inc. | Process for producing chlorinated hydrocarbons in the presence of a polyvalent bismuth compound |
JP6173908B2 (ja) * | 2013-12-27 | 2017-08-02 | 株式会社トクヤマ | クロロ高次アルケンの製造方法 |
US9663425B2 (en) * | 2014-03-31 | 2017-05-30 | Honeywell International Inc. | Method to produce 1,1,2,3-tetrachloropropene with high yield |
GB2528310A (en) * | 2014-07-17 | 2016-01-20 | Maxichem Amanco Holding S A De C V | Process |
KR102606455B1 (ko) * | 2014-10-16 | 2023-11-29 | 스폴렉 프로 케미코우 어 허트니 비로부, 아크시오바 스폴렉노스트 | 공정 |
JP7168321B2 (ja) | 2014-10-16 | 2022-11-09 | スポレク プロ ヘミコウ アー フツニ ブイロブ,アクツィオバ スポレチェノスト | 方法 |
WO2016064809A1 (en) | 2014-10-22 | 2016-04-28 | Axiall Ohio, Inc. | Process for producing chlorinated hydrocarbons in the presence of a polyvalent molybdenum compound |
WO2016194794A1 (ja) * | 2015-06-02 | 2016-12-08 | セントラル硝子株式会社 | ハイドロハロフルオロオレフィンの製造方法 |
JP2016222647A (ja) | 2015-06-02 | 2016-12-28 | セントラル硝子株式会社 | ハイドロハロフルオロオレフィンの製造方法 |
KR20180041123A (ko) * | 2015-08-19 | 2018-04-23 | 스폴렉 프로 케미코우 어 허트니 비로부, 아크시오바 스폴렉노스트 | C3 염소화된 알칸 및 알켄 화합물을 생성하기 위한 프로세스 |
CA3203916C (en) | 2016-07-26 | 2024-01-23 | Occidental Chemcial Corporation | Methods for producing halogenated propanes |
CN112409127A (zh) * | 2020-11-04 | 2021-02-26 | 宁波巨化化工科技有限公司 | 一种四氯乙烯生产过程中的除水方法 |
CN116265097A (zh) * | 2021-12-17 | 2023-06-20 | 中国科学院宁波材料技术与工程研究所 | 用于气固相反应连续生产1,1,1,3-四氯丙烷的催化剂、其制备方法与应用 |
CN114105728B (zh) * | 2022-01-25 | 2022-04-12 | 北京宇极科技发展有限公司 | 同时制备e-1,3,3,3-四氯丙烯和1,1,3,3-四氯丙烯的方法 |
CN115722255A (zh) * | 2022-10-13 | 2023-03-03 | 浙江衢化氟化学有限公司 | 一种用于生产1,1,1,2,3-五氯丙烷的负载型催化剂及其制备方法和应用 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE36503C (de) * | E. PERGANDE in Perleberg | Windregulirvorrichtung für Schmiedefeuer und dergl | ||
US2420975A (en) * | 1943-05-27 | 1947-05-20 | Pennsylvania Salt Mfg Co | Process of producing a solid pentachloropropane |
US2593451A (en) * | 1947-06-25 | 1952-04-22 | Dow Chemical Co | Dehydrochlorination of polychloroethanes |
US2561516A (en) * | 1948-02-20 | 1951-07-24 | Us Rubber Co | Trichloromethylalkenes |
US2658930A (en) * | 1949-03-22 | 1953-11-10 | Universal Oil Prod Co | Production of polyhaloalkanes |
DE1027648B (de) * | 1954-02-03 | 1958-04-10 | Hoechst Ag | Verfahren zur Herstellung von halogenierten Alkanen |
US3639493A (en) * | 1968-02-28 | 1972-02-01 | Du Pont | Dehydrohalogenation of halogenated compounds |
US3926758A (en) * | 1971-12-27 | 1975-12-16 | Monsanto Co | Preparation of 1,1,2,3-tetrachloropropene from 2,3-trichloropropane |
JPS4966613A (de) * | 1972-10-27 | 1974-06-27 | ||
JPS516641A (en) * | 1974-07-04 | 1976-01-20 | Tektronix Inc | Zofukutokuseino kahenna zofukuki |
JPS5929042B2 (ja) * | 1975-07-09 | 1984-07-18 | 株式会社トクヤマ | パ−ハロゲン化アルカンとオレフイン類との付加反応方法 |
JPS5259103A (en) * | 1975-11-10 | 1977-05-16 | Shin Etsu Chem Co Ltd | Process for preparation of tetrachloroalkane |
SU899523A1 (ru) * | 1979-07-03 | 1982-01-23 | Уфимский Нефтяной Институт | Способ получени 1,1,2,3-тетрахлорпропена |
DE3007634C2 (de) * | 1980-02-29 | 1982-08-19 | Hans-Jürgen Dipl.-Chem. Dr. 7808 Waldkirch Pettelkau | Verfahren zur Herstellung von Vinylchlorid |
-
1983
- 1983-07-06 US US06/511,131 patent/US4535194A/en not_active Expired - Lifetime
-
1984
- 1984-07-04 EP EP84870092A patent/EP0131560B1/de not_active Expired
- 1984-07-04 AT AT84870092T patent/ATE28853T1/de not_active IP Right Cessation
- 1984-07-04 DE DE8484870092T patent/DE3465290D1/de not_active Expired
- 1984-07-05 IL IL72305A patent/IL72305A0/xx unknown
- 1984-07-05 KR KR1019840003899A patent/KR850001144A/ko not_active IP Right Cessation
- 1984-07-05 JP JP59138112A patent/JPS6036429A/ja active Granted
- 1984-07-05 AU AU30318/84A patent/AU3031884A/en not_active Abandoned
- 1984-07-05 ZA ZA845179A patent/ZA845179B/xx unknown
- 1984-07-05 SU SU843757914A patent/SU1452476A3/ru active
- 1984-07-05 CA CA000458213A patent/CA1230132A/en not_active Expired
- 1984-07-05 HU HU842648A patent/HUT34422A/hu unknown
- 1984-07-05 DK DK329784A patent/DK329784A/da not_active Application Discontinuation
-
1986
- 1986-01-06 SU SU864000868A patent/SU1470174A3/ru active
Also Published As
Publication number | Publication date |
---|---|
HUT34422A (en) | 1985-03-28 |
AU3031884A (en) | 1985-01-10 |
KR850001144A (ko) | 1985-03-16 |
DE3465290D1 (en) | 1987-09-17 |
SU1470174A3 (ru) | 1989-03-30 |
DK329784A (da) | 1985-01-07 |
JPH0247969B2 (de) | 1990-10-23 |
DK329784D0 (da) | 1984-07-05 |
US4535194A (en) | 1985-08-13 |
IL72305A0 (en) | 1984-11-30 |
JPS6036429A (ja) | 1985-02-25 |
CA1230132A (en) | 1987-12-08 |
EP0131560A1 (de) | 1985-01-16 |
SU1452476A3 (ru) | 1989-01-15 |
ZA845179B (en) | 1985-03-27 |
EP0131560B1 (de) | 1987-08-12 |
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