DE3044752C2 - Verfahren zur Herstellung von Trimellitsäure - Google Patents

Verfahren zur Herstellung von Trimellitsäure

Info

Publication number
DE3044752C2
DE3044752C2 DE3044752A DE3044752A DE3044752C2 DE 3044752 C2 DE3044752 C2 DE 3044752C2 DE 3044752 A DE3044752 A DE 3044752A DE 3044752 A DE3044752 A DE 3044752A DE 3044752 C2 DE3044752 C2 DE 3044752C2
Authority
DE
Germany
Prior art keywords
reaction
pseudocumene
acid
temperature
stage
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
Application number
DE3044752A
Other languages
German (de)
English (en)
Other versions
DE3044752A1 (de
Inventor
Koichi Kitahara
Susumu Naito
Takashi Suzuki
Tomoji Niigata Tsuji
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Gas Chemical Co Inc
Original Assignee
Mitsubishi Gas Chemical Co Inc
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 Inc filed Critical Mitsubishi Gas Chemical Co Inc
Publication of DE3044752A1 publication Critical patent/DE3044752A1/de
Application granted granted Critical
Publication of DE3044752C2 publication Critical patent/DE3044752C2/de
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/16Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
    • C07C51/21Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
    • C07C51/255Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting
    • C07C51/265Preparation 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)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
DE3044752A 1979-11-28 1980-11-27 Verfahren zur Herstellung von Trimellitsäure Expired DE3044752C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP54153814A JPS5826899B2 (ja) 1979-11-28 1979-11-28 トリメリツト酸の製造法

Publications (2)

Publication Number Publication Date
DE3044752A1 DE3044752A1 (de) 1981-06-11
DE3044752C2 true DE3044752C2 (de) 1984-08-23

Family

ID=15570678

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3044752A Expired DE3044752C2 (de) 1979-11-28 1980-11-27 Verfahren zur Herstellung von Trimellitsäure

Country Status (6)

Country Link
US (1) US4398040A (https=)
JP (1) JPS5826899B2 (https=)
BE (1) BE886392A (https=)
DE (1) DE3044752C2 (https=)
FR (1) FR2470761A1 (https=)
GB (1) GB2064532B (https=)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1173990B (it) * 1984-05-16 1987-06-24 Bioresearch Spa Sali stabili della solfo-adenosil-l-metionina (same) particolarmente adatti per uso parenterale
JPS6366149A (ja) * 1986-09-09 1988-03-24 Idemitsu Petrochem Co Ltd トリメリツト酸の製造方法
US4948921A (en) * 1989-06-29 1990-08-14 Amoco Corporation Process for the production and recovery of trimellitic acid
US5004830A (en) * 1989-11-29 1991-04-02 Amoco Corporation Process for oxidation of alkyl aromatic compounds
KR100504125B1 (ko) * 2002-07-30 2005-07-27 에스케이케미칼주식회사 트리멜리트산의 제조방법

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1347131A (fr) * 1962-11-12 1963-12-27 Standard Oil Co Perfectionnements apportés aux procédés d'oxydation pour la préparation d'acides carboxyliques, notamment d'acides dicarboxyliques
US3683016A (en) * 1970-04-24 1972-08-08 Standard Oil Co Staged catalyst addition for catalytic liquid phase oxidation of pseudocumene to trimellitic acid
DE2227005A1 (de) * 1971-06-15 1972-12-28 Institut Francais Du Petrole Des Carburants Et Lubrifiants, Rueil-Malmaison, Hauts-De-Seine (Frankreich) Verfahren zur Oxydation aromatischer Verbindungen und insbesondere zur Herstellung aromatischer Polycarbonsäuren sowie Vorrichtung zur Durchführung des Verfahrens
US3920735A (en) * 1973-05-21 1975-11-18 Standard Oil Co Zirconium enhanced activity of transition metal-bromine catalysis of di- and trimethyl benzene oxidation in liquid phase

Also Published As

Publication number Publication date
JPS5826899B2 (ja) 1983-06-06
BE886392A (fr) 1981-03-16
GB2064532A (en) 1981-06-17
DE3044752A1 (de) 1981-06-11
GB2064532B (en) 1984-05-31
JPS5677239A (en) 1981-06-25
FR2470761B1 (https=) 1985-05-24
FR2470761A1 (fr) 1981-06-12
US4398040A (en) 1983-08-09

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee