JPS5736271B2 - - Google Patents
Info
- Publication number
- JPS5736271B2 JPS5736271B2 JP6329180A JP6329180A JPS5736271B2 JP S5736271 B2 JPS5736271 B2 JP S5736271B2 JP 6329180 A JP6329180 A JP 6329180A JP 6329180 A JP6329180 A JP 6329180A JP S5736271 B2 JPS5736271 B2 JP S5736271B2
- Authority
- JP
- Japan
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
- C07C209/30—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of nitrogen-to-oxygen or nitrogen-to-nitrogen bonds
- C07C209/32—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of nitrogen-to-oxygen or nitrogen-to-nitrogen bonds by reduction of nitro groups
- C07C209/36—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of nitrogen-to-oxygen or nitrogen-to-nitrogen bonds by reduction of nitro groups by reduction of nitro groups bound to carbon atoms of six-membered aromatic rings in presence of hydrogen-containing gases and a catalyst
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/038,976 US4224249A (en) | 1979-05-14 | 1979-05-14 | Toluene diamine from non-washed dinitrotoluene |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS55157542A JPS55157542A (en) | 1980-12-08 |
| JPS5736271B2 true JPS5736271B2 (enExample) | 1982-08-03 |
Family
ID=21902990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6329180A Granted JPS55157542A (en) | 1979-05-14 | 1980-05-13 | Manufacture of toluenediamine |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4224249A (enExample) |
| EP (1) | EP0019454B1 (enExample) |
| JP (1) | JPS55157542A (enExample) |
| CA (1) | CA1127185A (enExample) |
| DE (1) | DE3061993D1 (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008150379A (ja) * | 2006-12-19 | 2008-07-03 | Bayer Materialscience Ag | ジニトロトルエンの接触水素化によるトルエンジアミンの製造方法 |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4482769A (en) * | 1983-09-16 | 1984-11-13 | Air Products And Chemicals, Inc. | Reducing 2,4-dinitroortho-cresol in effluent stream from dinitrotoluene process |
| US4935557A (en) * | 1984-08-07 | 1990-06-19 | Air Products And Chemicals, Inc. | Conitration of mixed aromatic hydrocarbons |
| US4597875A (en) * | 1985-05-07 | 1986-07-01 | Air Products And Chemicals, Inc. | Precipitative removal of nitrocresols from dinitrotoluene waste streams |
| US4604214A (en) * | 1985-08-16 | 1986-08-05 | Air Products And Chemicals, Inc. | Removal of nitrocresols from dinitrotoluene waste streams using fentons reagent |
| CN1027191C (zh) * | 1990-01-31 | 1994-12-28 | 西屋电气公司 | 自动伪主相量发生器 |
| DE19528781A1 (de) * | 1995-08-04 | 1997-02-06 | Bayer Ag | Verfahren zur Herstellung von Toluylendiisocyanat, spezielle Gemische aus Toluylendiamin und Wasser und deren Verwendung zur Herstellung von Toluylendiisocyanat |
| US6179996B1 (en) | 1998-05-22 | 2001-01-30 | Membrane Technology And Research, Inc. | Selective purge for hydrogenation reactor recycle loop |
| RU2164222C1 (ru) * | 1999-11-30 | 2001-03-20 | Козлов Александр Иванович | Способ каталитического жидкофазного восстановления ароматических нитросоединений |
| PL2150342T3 (pl) * | 2007-05-29 | 2018-07-31 | Evonik Degussa Gmbh | Aktywowane katalizatory z metali nieszlachetnych |
| WO2008145179A1 (en) * | 2007-05-29 | 2008-12-04 | Evonik Degussa Gmbh | Activated base metal catalysts |
| JP5449140B2 (ja) * | 2007-05-29 | 2014-03-19 | エボニック デグサ ゲーエムベーハー | 活性化卑金属触媒 |
| EP2014641A3 (en) * | 2007-06-06 | 2009-03-18 | Huntsman International Llc | Process for preparing mixtures of diphenylmethane diisocyanates and polyphenyl polymethylene polyisocyanates |
| EP2203249A1 (en) * | 2007-10-15 | 2010-07-07 | Evonik Degussa GmbH | Fast filtering powder catalytic mixtures |
| JP6193358B2 (ja) * | 2012-04-25 | 2017-09-06 | ビーエーエスエフ ソシエタス・ヨーロピアＢａｓｆ Ｓｅ | ジニトロトルエンを洗浄する方法 |
| US9249083B2 (en) | 2012-04-25 | 2016-02-02 | Basf Se | Process for scrubbing dinitrotoluene |
| CN103480370A (zh) * | 2012-06-15 | 2014-01-01 | 中国石油化工股份有限公司 | 一种催化加氢用碳载钯铂金属催化剂的制备方法 |
| DE102015106617B4 (de) | 2014-07-07 | 2017-09-21 | Josef Meissner Gmbh & Co. Kg | Verfahren zur Aufreinigung von Rohdinitrotoluolen |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2976320A (en) * | 1957-07-30 | 1961-03-21 | Allied Chem | Catalytic hydrogenation of the dinitro derivatives of toluene |
| FR1482056A (fr) * | 1966-03-10 | 1967-05-26 | Melle Usines Sa | Procédé d'hydrogénation |
| DE1915272C3 (de) * | 1969-03-26 | 1979-09-06 | Bayer Ag, 5090 Leverkusen | Verfahren zum Entfernen nitrophenolischer Verbindungen aus der bei der Herstellung von Nitrobenzolen anfallenden Waschlauge |
-
1979
- 1979-05-14 US US06/038,976 patent/US4224249A/en not_active Expired - Lifetime
-
1980
- 1980-05-01 CA CA351,065A patent/CA1127185A/en not_active Expired
- 1980-05-13 JP JP6329180A patent/JPS55157542A/ja active Granted
- 1980-05-14 DE DE8080301573T patent/DE3061993D1/de not_active Expired
- 1980-05-14 EP EP80301573A patent/EP0019454B1/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008150379A (ja) * | 2006-12-19 | 2008-07-03 | Bayer Materialscience Ag | ジニトロトルエンの接触水素化によるトルエンジアミンの製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| US4224249A (en) | 1980-09-23 |
| DE3061993D1 (en) | 1983-03-24 |
| EP0019454A3 (en) | 1981-06-10 |
| EP0019454A2 (en) | 1980-11-26 |
| EP0019454B1 (en) | 1983-02-16 |
| CA1127185A (en) | 1982-07-06 |
| JPS55157542A (en) | 1980-12-08 |