DE69521821D1 - Verfahren zur Herstellung von Pyromellithsäure-Anhydrid - Google Patents
Verfahren zur Herstellung von Pyromellithsäure-AnhydridInfo
- Publication number
- DE69521821D1 DE69521821D1 DE69521821T DE69521821T DE69521821D1 DE 69521821 D1 DE69521821 D1 DE 69521821D1 DE 69521821 T DE69521821 T DE 69521821T DE 69521821 T DE69521821 T DE 69521821T DE 69521821 D1 DE69521821 D1 DE 69521821D1
- Authority
- DE
- Germany
- Prior art keywords
- preparation
- acid anhydride
- pyromellitic acid
- pyromellitic
- anhydride
- 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.)
- Expired - Fee Related
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D493/00—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
- C07D493/02—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system in which the condensed system contains two hetero rings
- C07D493/04—Ortho-condensed systems
-
- 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
- B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/20—Vanadium, niobium or tantalum
- B01J23/22—Vanadium
-
- 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
- B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/24—Chromium, molybdenum or tungsten
-
- 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
- C07C51/255—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting
- C07C51/265—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting having alkyl side chains which are oxidised to carboxyl groups
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
- Catalysts (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6720994 | 1994-04-05 | ||
JP11264594 | 1994-05-26 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69521821D1 true DE69521821D1 (de) | 2001-08-30 |
DE69521821T2 DE69521821T2 (de) | 2001-12-20 |
Family
ID=26408386
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69521821T Expired - Fee Related DE69521821T2 (de) | 1994-04-05 | 1995-04-05 | Verfahren zur Herstellung von Pyromellithsäure-Anhydrid |
Country Status (5)
Country | Link |
---|---|
US (1) | US5504218A (de) |
EP (1) | EP0676400B1 (de) |
CN (1) | CN1066707C (de) |
AU (1) | AU689210B2 (de) |
DE (1) | DE69521821T2 (de) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6153767A (en) * | 1998-03-17 | 2000-11-28 | Nippon Shokubai Co Ltd | Production process for pyromellitic dianhydride |
DE19823262A1 (de) | 1998-05-26 | 1999-12-02 | Basf Ag | Verfahren zur Herstellung von Phthalsäureanhydrid |
GB2348642B (en) * | 1998-07-31 | 2004-03-10 | Chinese Petroleum Corp | Process for the preparation of pyromellitic dianhydride |
DE10323461A1 (de) | 2003-05-23 | 2004-12-09 | Basf Ag | Herstellung von Aldehyden, Carbonsäuren und/oder Carbonsäureanhydriden mittels Vanadiumoxid, Titandioxid und Antimonoxid enthaltender Katalysatoren |
JP2007521126A (ja) * | 2003-07-31 | 2007-08-02 | ダウ グローバル テクノロジーズ インコーポレイティド | 改良された供給システムを用いる酸化方法及び反応器 |
DE102004026472A1 (de) | 2004-05-29 | 2005-12-22 | Süd-Chemie AG | Mehrlagen-Katalysator zur Herstellung von Phthalsäureanhydrid |
WO2006125468A1 (de) | 2005-05-22 | 2006-11-30 | Süd-Chemie AG | Mehrlagen-katalysator zur herstellung von phthalsäureanhydrid |
CN100496740C (zh) * | 2004-05-29 | 2009-06-10 | 苏德-化学股份公司 | 用于制备邻苯二甲酸酐的多层催化剂 |
WO2005115615A1 (de) | 2004-05-29 | 2005-12-08 | Süd-Chemie AG | Katalysator sowie verfahren zur herstellung von phthalsäureanhydrid |
RU2362621C2 (ru) | 2005-03-02 | 2009-07-27 | Зюд-Хеми Аг | Способ получения многослойного катализатора для производства фталевого ангидрида |
DE102005009473A1 (de) * | 2005-03-02 | 2006-09-07 | Süd-Chemie AG | Mehrlagen-Katalysator zur Herstellung von Phthalsäureanhydrid |
CN102898435B (zh) * | 2012-10-19 | 2015-06-24 | 东营市中捷化工有限公司 | 超低金属离子含量的均苯四甲酸二酐的制备方法 |
CN106540679A (zh) * | 2016-11-04 | 2017-03-29 | 常州新日催化剂有限公司 | 双段床均酐催化剂及其制备方法 |
CN116059994A (zh) | 2021-11-01 | 2023-05-05 | 中国石油化工股份有限公司 | 均四甲苯气相氧化制均酐的催化剂及其制备方法、均四甲苯气相氧化制均酐的方法 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1156421A (en) * | 1966-04-27 | 1969-06-25 | Princeton Chemical Res Inc | Oxidation of Alkyl Benzenes |
JPS523931B2 (de) * | 1973-07-16 | 1977-01-31 | ||
DE2925682A1 (de) * | 1979-06-26 | 1981-01-29 | Basf Ag | Vanadinpentoxid, titandioxid, phosphor, rubidium und/oder caesium und ggf. zirkondioxid enthaltender traegerkatalysator |
SU1031121A1 (ru) * | 1981-12-04 | 1989-11-30 | Институт физико-органической химии и углехимии АН УССР | Способ получени пиромеллитового диангидрида |
CA1261860A (en) * | 1984-05-21 | 1989-09-26 | Yoshiyuki Nakanishi | Method for the preparation of pyromellitic acid or its anhydride |
JPH0676413B2 (ja) * | 1985-09-10 | 1994-09-28 | 三菱瓦斯化学株式会社 | 無水ピロメリツト酸の製造方法 |
JPS6310790A (ja) * | 1986-03-17 | 1988-01-18 | Nippon Shokubai Kagaku Kogyo Co Ltd | 無水ピロメリツト酸の捕集方法 |
JPH0689002B2 (ja) * | 1988-02-24 | 1994-11-09 | 川崎製鉄株式会社 | 無水ピロメリット酸の製造方法およびこれに用いる触媒 |
US4925957A (en) * | 1988-02-24 | 1990-05-15 | Kawasaki Steel Corp. | Process for producing pyromellitic dianhydride |
JP2592490B2 (ja) * | 1988-03-26 | 1997-03-19 | 株式会社日本触媒 | 芳香族炭化水素の酸化方法 |
JPH03294272A (ja) * | 1990-04-13 | 1991-12-25 | Hitachi Ltd | 高純度のテトラカルボン酸二無水物の製造法 |
JPH051069A (ja) * | 1991-06-19 | 1993-01-08 | Nippon Steel Chem Co Ltd | 無水ピロメリツト酸の精製方法 |
JPH0530838A (ja) * | 1991-07-26 | 1993-02-09 | Honda Motor Co Ltd | 草刈機 |
JP3192765B2 (ja) * | 1992-08-28 | 2001-07-30 | 積水化学工業株式会社 | テープ製剤 |
DE4305817A1 (de) * | 1993-02-25 | 1994-09-01 | Consortium Elektrochem Ind | Verfahren zur Herstellung von Pyromellitsäuredianhydrid |
-
1995
- 1995-04-04 US US08/416,229 patent/US5504218A/en not_active Expired - Lifetime
- 1995-04-04 CN CN95104592A patent/CN1066707C/zh not_active Expired - Fee Related
- 1995-04-05 EP EP95105079A patent/EP0676400B1/de not_active Expired - Lifetime
- 1995-04-05 DE DE69521821T patent/DE69521821T2/de not_active Expired - Fee Related
- 1995-04-05 AU AU16298/95A patent/AU689210B2/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
DE69521821T2 (de) | 2001-12-20 |
EP0676400A2 (de) | 1995-10-11 |
CN1066707C (zh) | 2001-06-06 |
AU689210B2 (en) | 1998-03-26 |
CN1116197A (zh) | 1996-02-07 |
US5504218A (en) | 1996-04-02 |
EP0676400B1 (de) | 2001-07-25 |
EP0676400A3 (de) | 1998-08-19 |
AU1629895A (en) | 1995-10-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |