IT1211546B - Procedimento per la produzione di acido piromellitico - Google Patents

Procedimento per la produzione di acido piromellitico

Info

Publication number
IT1211546B
IT1211546B IT8767995A IT6799587A IT1211546B IT 1211546 B IT1211546 B IT 1211546B IT 8767995 A IT8767995 A IT 8767995A IT 6799587 A IT6799587 A IT 6799587A IT 1211546 B IT1211546 B IT 1211546B
Authority
IT
Italy
Prior art keywords
procedure
production
pyromellite
acid
pyromellite acid
Prior art date
Application number
IT8767995A
Other languages
English (en)
Other versions
IT8767995A0 (it
Inventor
Toru Tanaka Tomiyoshi Furuta
Kazue Suwa
Original Assignee
Mitsubishi Gas Chemical Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsubishi Gas Chemical Co filed Critical Mitsubishi Gas Chemical Co
Publication of IT8767995A0 publication Critical patent/IT8767995A0/it
Application granted granted Critical
Publication of IT1211546B publication Critical patent/IT1211546B/it

Links

Classifications

    • 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)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
IT8767995A 1986-11-20 1987-11-19 Procedimento per la produzione di acido piromellitico IT1211546B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61275329A JPH07116097B2 (ja) 1986-11-20 1986-11-20 ピロメリツト酸の製造方法

Publications (2)

Publication Number Publication Date
IT8767995A0 IT8767995A0 (it) 1987-11-19
IT1211546B true IT1211546B (it) 1989-11-03

Family

ID=17553941

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8767995A IT1211546B (it) 1986-11-20 1987-11-19 Procedimento per la produzione di acido piromellitico

Country Status (4)

Country Link
US (1) US4824992A (it)
JP (1) JPH07116097B2 (it)
DE (1) DE3734469C2 (it)
IT (1) IT1211546B (it)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4305817A1 (de) * 1993-02-25 1994-09-01 Consortium Elektrochem Ind Verfahren zur Herstellung von Pyromellitsäuredianhydrid
DE60009785T2 (de) * 1999-05-10 2004-08-19 Mitsubishi Gas Chemical Co., Inc. Verfahren zur Herstellung von Pyromellitsäure
US20020151745A1 (en) * 1999-05-10 2002-10-17 Kazuo Tanaka Process for producing pyromellitic acid
JP4788022B2 (ja) * 2000-06-27 2011-10-05 三菱瓦斯化学株式会社 芳香族ポリカルボン酸の製造法
JP2004217586A (ja) * 2003-01-16 2004-08-05 Mitsubishi Gas Chem Co Inc 芳香族ポリカルボン酸及び該酸無水物の製造方法
US7534912B2 (en) 2003-10-20 2009-05-19 Mitsubishi Gas Chemical Company, Inc. Process for producing pyromellitic acid
CN101980997B (zh) * 2008-04-22 2013-08-21 三菱瓦斯化学株式会社 一种高纯度偏苯三酸的制备方法
CN117326929A (zh) * 2022-06-24 2024-01-02 中国石油化工股份有限公司 一种均四甲苯液相氧化制均苯四甲酸的方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH406183A (de) * 1961-08-14 1966-01-31 Bergwerksverband Gmbh Verfahren zur Herstellung von Mellitsäure
JPS5359640A (en) * 1976-11-08 1978-05-29 Toray Ind Inc Preparation of threphthalic acid of high quality
JPS5517348A (en) * 1978-07-24 1980-02-06 Mitsubishi Gas Chem Co Inc Production of high-purity terephthalic acid
JPS582222B2 (ja) * 1979-08-13 1983-01-14 三菱瓦斯化学株式会社 芳香族ポリカルボン酸の製造法
EP0041785B1 (en) * 1980-06-10 1985-05-02 Imperial Chemical Industries Plc Oxidation of substituted aromatic compounds to aromatic carboxylic acids
EP0041784A1 (en) * 1980-06-10 1981-12-16 Imperial Chemical Industries Plc Oxidation of substituted aromatic compounds to aromatic carboxylic acids
JPS5728026A (en) * 1980-07-28 1982-02-15 Toyobo Co Ltd Preparation of aromatic dicarboxylic acid
JPS58116439A (ja) * 1981-12-28 1983-07-11 Mitsubishi Gas Chem Co Inc 高純度芳香族ポリカルボン酸の製造法
JPS6056696B2 (ja) * 1982-01-18 1985-12-11 三菱瓦斯化学株式会社 芳香族ポリカルボン酸を製造する方法
JPS58126834A (ja) * 1982-01-23 1983-07-28 Mitsubishi Gas Chem Co Inc トリメリツト酸の晶析法
US4719311A (en) * 1985-10-23 1988-01-12 Amoco Corporation Process for the production of aromatic polycarboxylic acids

Also Published As

Publication number Publication date
DE3734469A1 (de) 1988-05-26
JPH07116097B2 (ja) 1995-12-13
IT8767995A0 (it) 1987-11-19
US4824992A (en) 1989-04-25
DE3734469C2 (de) 1999-03-11
JPS63130556A (ja) 1988-06-02

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19971129