IT1242037B - Procedimento per la produzione di acido trimellitico. - Google Patents
Procedimento per la produzione di acido trimellitico.Info
- Publication number
- IT1242037B IT1242037B IT48570A IT4857090A IT1242037B IT 1242037 B IT1242037 B IT 1242037B IT 48570 A IT48570 A IT 48570A IT 4857090 A IT4857090 A IT 4857090A IT 1242037 B IT1242037 B IT 1242037B
- Authority
- IT
- Italy
- Prior art keywords
- procedure
- production
- trimellitic acid
- trimellitic
- acid
- Prior art date
Links
- ARCGXLSVLAOJQL-UHFFFAOYSA-N trimellitic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C(C(O)=O)=C1 ARCGXLSVLAOJQL-UHFFFAOYSA-N 0.000 title 2
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)
- Furan Compounds (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/451,606 US4992579A (en) | 1989-12-18 | 1989-12-18 | Process for the production of trimellitic acid |
Publications (3)
Publication Number | Publication Date |
---|---|
IT9048570A0 IT9048570A0 (it) | 1990-12-13 |
IT9048570A1 IT9048570A1 (it) | 1991-06-19 |
IT1242037B true IT1242037B (it) | 1994-02-02 |
Family
ID=23792925
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT48570A IT1242037B (it) | 1989-12-18 | 1990-12-13 | Procedimento per la produzione di acido trimellitico. |
Country Status (4)
Country | Link |
---|---|
US (1) | US4992579A (it) |
JP (1) | JP2939346B2 (it) |
BE (1) | BE1006275A3 (it) |
IT (1) | IT1242037B (it) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1247944B (it) * | 1991-05-17 | 1995-01-05 | Alusuisse Italia Spa | Procedimento per la preparazione di acido trimellitico |
IT1289529B1 (it) * | 1996-12-27 | 1998-10-15 | Franco Codignola | Procedimento per la produzione di acidi aromatici |
MY123568A (en) | 2000-06-09 | 2006-05-31 | Mitsubishi Gas Chemical Co | Process for producing trimellitec anhydride |
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 |
US6657068B2 (en) | 2002-03-22 | 2003-12-02 | General Electric Company | Liquid phase oxidation of halogenated ortho-xylenes |
US6649773B2 (en) | 2002-03-22 | 2003-11-18 | General Electric Company | Method for the manufacture of halophthalic acids and anhydrides |
US6657067B2 (en) | 2002-03-22 | 2003-12-02 | General Electric Company | Method for the manufacture of chlorophthalic anhydride |
KR100504125B1 (ko) * | 2002-07-30 | 2005-07-27 | 에스케이케미칼주식회사 | 트리멜리트산의 제조방법 |
US7378544B2 (en) * | 2003-12-18 | 2008-05-27 | Bp Corporation North America Inc. | Anthracene and other polycyclic aromatics as activators in the oxidation of aromatic hydrocarbons |
US7541489B2 (en) * | 2004-06-30 | 2009-06-02 | Sabic Innovative Plastics Ip B.V. | Method of making halophthalic acids and halophthalic anhydrides |
US20060004223A1 (en) * | 2004-06-30 | 2006-01-05 | General Electric Company | Method of making halophthalic acids and halophthalic anhydrides |
DE602005012576D1 (de) * | 2005-05-13 | 2009-03-19 | Polynt S P A | Verfahren zur Herstellung von Trimellitsäure |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE543770A (it) * | 1954-12-20 | |||
GB856245A (en) * | 1957-12-06 | 1960-12-14 | Ici Ltd | Improvements in and relating to the production of cyclic carboxylic acids |
US3491144A (en) * | 1966-09-20 | 1970-01-20 | Standard Oil Co | Production of aromatic tricarboxylic acids having only two vicinal carboxylic acid groups |
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 |
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 |
US4719311A (en) * | 1985-10-23 | 1988-01-12 | Amoco Corporation | Process for the production of aromatic polycarboxylic acids |
JPS6366149A (ja) * | 1986-09-09 | 1988-03-24 | Idemitsu Petrochem Co Ltd | トリメリツト酸の製造方法 |
-
1989
- 1989-12-18 US US07/451,606 patent/US4992579A/en not_active Expired - Lifetime
-
1990
- 1990-12-13 IT IT48570A patent/IT1242037B/it active IP Right Grant
- 1990-12-17 BE BE9001207A patent/BE1006275A3/fr not_active IP Right Cessation
- 1990-12-17 JP JP2417735A patent/JP2939346B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
IT9048570A1 (it) | 1991-06-19 |
BE1006275A3 (fr) | 1994-07-12 |
JPH0616655A (ja) | 1994-01-25 |
IT9048570A0 (it) | 1990-12-13 |
JP2939346B2 (ja) | 1999-08-25 |
US4992579A (en) | 1991-02-12 |
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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: 19971223 |