ITMI911360A1 - Procedimento per la preparazione di acido trimellitico - Google Patents
Procedimento per la preparazione di acido trimelliticoInfo
- Publication number
- ITMI911360A1 ITMI911360A1 IT001360A ITMI911360A ITMI911360A1 IT MI911360 A1 ITMI911360 A1 IT MI911360A1 IT 001360 A IT001360 A IT 001360A IT MI911360 A ITMI911360 A IT MI911360A IT MI911360 A1 ITMI911360 A1 IT MI911360A1
- Authority
- IT
- Italy
- Prior art keywords
- trimellitic acid
- procedure
- preparation
- pseudocumene
- cerium
- Prior art date
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)
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 true ITMI911360A1 (it) | 1992-11-17 |
IT1247944B 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)
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 |
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 |
US6657068B2 (en) | 2002-03-22 | 2003-12-02 | General Electric Company | Liquid phase oxidation of halogenated ortho-xylenes |
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)
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 |
-
1991
- 1991-05-17 IT ITMI911360A patent/IT1247944B/it active IP Right Grant
-
1992
- 1992-05-12 US US07/881,812 patent/US5250724A/en not_active Expired - Lifetime
- 1992-05-15 ES ES92108289T patent/ES2075529T3/es not_active Expired - Lifetime
- 1992-05-15 EP EP92108289A patent/EP0513835B1/en not_active Expired - Lifetime
- 1992-05-15 AT AT92108289T patent/ATE126199T1/de not_active IP Right Cessation
- 1992-05-15 DE DE69203947T patent/DE69203947T2/de not_active Expired - Fee Related
- 1992-05-18 JP JP12508792A patent/JP3303173B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH05221919A (ja) | 1993-08-31 |
JP3303173B2 (ja) | 2002-07-15 |
US5250724A (en) | 1993-10-05 |
DE69203947D1 (de) | 1995-09-14 |
IT1247944B (it) | 1995-01-05 |
ES2075529T3 (es) | 1995-10-01 |
ITMI911360A0 (it) | 1991-05-17 |
EP0513835A2 (en) | 1992-11-19 |
EP0513835B1 (en) | 1995-08-09 |
ATE126199T1 (de) | 1995-08-15 |
DE69203947T2 (de) | 1995-11-23 |
EP0513835A3 (en) | 1993-02-03 |
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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 |