IT1247944B - Procedimento per la preparazione di acido trimellitico - Google Patents

Procedimento per la preparazione di acido trimellitico

Info

Publication number
IT1247944B
IT1247944B ITMI911360A ITMI911360A IT1247944B IT 1247944 B IT1247944 B IT 1247944B IT MI911360 A ITMI911360 A IT MI911360A IT MI911360 A ITMI911360 A IT MI911360A IT 1247944 B IT1247944 B IT 1247944B
Authority
IT
Italy
Prior art keywords
procedure
preparation
trimellitic acid
pseudocumene
cerium
Prior art date
Application number
ITMI911360A
Other languages
English (en)
Inventor
Carlo Fumagalli
Lorenzo Capitanio
Giancarlo Stefani
Original Assignee
Alusuisse Italia Spa
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=11359920&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=IT1247944(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Publication of ITMI911360A0 publication Critical patent/ITMI911360A0/it
Priority to ITMI911360A priority Critical patent/IT1247944B/it
Application filed by Alusuisse Italia Spa filed Critical Alusuisse Italia Spa
Priority to US07/881,812 priority patent/US5250724A/en
Priority to DE69203947T priority patent/DE69203947T2/de
Priority to AT92108289T priority patent/ATE126199T1/de
Priority to ES92108289T priority patent/ES2075529T3/es
Priority to EP92108289A priority patent/EP0513835B1/en
Priority to JP12508792A priority patent/JP3303173B2/ja
Publication of ITMI911360A1 publication Critical patent/ITMI911360A1/it
Publication of IT1247944B publication Critical patent/IT1247944B/it
Application granted granted Critical

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)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Catalysts (AREA)

Abstract

Viene descritto un nuovo procedimento molto selettivo per l'ossidazione catalitica con aria di pseudocumene. Come catalizzatore, secondo l'invenzione, si impiegano manganese, cobalto, cerio e titanio in presenza di bromo.
ITMI911360A 1991-05-17 1991-05-17 Procedimento per la preparazione di acido trimellitico IT1247944B (it)

Priority Applications (7)

Application Number Priority Date Filing Date Title
ITMI911360A IT1247944B (it) 1991-05-17 1991-05-17 Procedimento per la preparazione di acido trimellitico
US07/881,812 US5250724A (en) 1991-05-17 1992-05-12 Process for the preparation of trimellitic acid
EP92108289A EP0513835B1 (en) 1991-05-17 1992-05-15 Process for the preparation of trimellitic acid
DE69203947T DE69203947T2 (de) 1991-05-17 1992-05-15 Verfahren zur Herstellung von Trimellithsäure.
AT92108289T ATE126199T1 (de) 1991-05-17 1992-05-15 Verfahren zur herstellung von trimellithsäure.
ES92108289T ES2075529T3 (es) 1991-05-17 1992-05-15 Procedimiento para la preparacion de acido trimelitico.
JP12508792A JP3303173B2 (ja) 1991-05-17 1992-05-18 トリメリト酸の製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI911360A IT1247944B (it) 1991-05-17 1991-05-17 Procedimento per la preparazione di acido trimellitico

Publications (3)

Publication Number Publication Date
ITMI911360A0 ITMI911360A0 (it) 1991-05-17
ITMI911360A1 ITMI911360A1 (it) 1992-11-17
IT1247944B true IT1247944B (it) 1995-01-05

Family

ID=11359920

Family Applications (1)

Application Number Title Priority Date Filing Date
ITMI911360A IT1247944B (it) 1991-05-17 1991-05-17 Procedimento per la preparazione di acido trimellitico

Country Status (7)

Country Link
US (1) US5250724A (it)
EP (1) EP0513835B1 (it)
JP (1) JP3303173B2 (it)
AT (1) ATE126199T1 (it)
DE (1) DE69203947T2 (it)
ES (1) ES2075529T3 (it)
IT (1) IT1247944B (it)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5895820A (en) * 1997-07-16 1999-04-20 Mitsubishi Gas Chemical Company, Inc. Process for the production of trimellitic acid and process for the production of trimellitic acid anhydride
MY123568A (en) 2000-06-09 2006-05-31 Mitsubishi Gas Chemical Co Process for producing trimellitec anhydride
US6657068B2 (en) 2002-03-22 2003-12-02 General Electric Company Liquid phase oxidation of halogenated ortho-xylenes
US6657067B2 (en) 2002-03-22 2003-12-02 General Electric Company Method for the manufacture of chlorophthalic anhydride
US6649773B2 (en) 2002-03-22 2003-11-18 General Electric Company Method for the manufacture of halophthalic acids and anhydrides
KR100504125B1 (ko) * 2002-07-30 2005-07-27 에스케이케미칼주식회사 트리멜리트산의 제조방법
US7541489B2 (en) 2004-06-30 2009-06-02 Sabic Innovative Plastics Ip B.V. Method of making halophthalic acids and halophthalic anhydrides
EP1728778B1 (en) * 2005-05-13 2009-01-28 Polynt S.P.A. Process for the production of trimellitic acid
WO2021136977A1 (en) * 2020-01-03 2021-07-08 Indian Institute Of Technology, Delhi A process for producing trimellitic acid from biomass

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2833816A (en) * 1954-05-03 1958-05-06 Mid Century Corp Preparation of aromatic polycarboxylic acids
US3683016A (en) * 1970-04-24 1972-08-08 Standard Oil Co Staged catalyst addition for catalytic liquid phase oxidation of pseudocumene to trimellitic acid
US3790624A (en) * 1972-03-24 1974-02-05 Universal Oil Prod Co Oxidation of alkyl-substituted aromatic compounds
US4895978A (en) * 1982-05-28 1990-01-23 Amoco Corporation Oxidation of pseudocumene to trimellitic acid enhanced by low gram atom ratios of zirconium to transition metal in oxidation catalyst system
US4755622A (en) * 1983-12-29 1988-07-05 Amoco Corporation Process for the production of trimellitic acid and pyromellitic acid by staged bromine addition in an oxidation of polyalkylaromatics
US4948921A (en) * 1989-06-29 1990-08-14 Amoco Corporation Process for the production and recovery of trimellitic acid
US4992579A (en) * 1989-12-18 1991-02-12 Amoco Corporation Process for the production of trimellitic acid
US5095141A (en) * 1990-12-19 1992-03-10 Amoco Corporation Process for pseudocumene oxidation to trimellitic acid with mother liquor recycle

Also Published As

Publication number Publication date
ITMI911360A0 (it) 1991-05-17
US5250724A (en) 1993-10-05
ATE126199T1 (de) 1995-08-15
JP3303173B2 (ja) 2002-07-15
JPH05221919A (ja) 1993-08-31
EP0513835A2 (en) 1992-11-19
ES2075529T3 (es) 1995-10-01
DE69203947T2 (de) 1995-11-23
DE69203947D1 (de) 1995-09-14
ITMI911360A1 (it) 1992-11-17
EP0513835A3 (en) 1993-02-03
EP0513835B1 (en) 1995-08-09

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970528