ATE126199T1 - Verfahren zur herstellung von trimellithsäure. - Google Patents
Verfahren zur herstellung von trimellithsäure.Info
- Publication number
- ATE126199T1 ATE126199T1 AT92108289T AT92108289T ATE126199T1 AT E126199 T1 ATE126199 T1 AT E126199T1 AT 92108289 T AT92108289 T AT 92108289T AT 92108289 T AT92108289 T AT 92108289T AT E126199 T1 ATE126199 T1 AT E126199T1
- Authority
- AT
- Austria
- Prior art keywords
- acid
- trimellitric
- producing
- 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)
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 (1)
Publication Number | Publication Date |
---|---|
ATE126199T1 true ATE126199T1 (de) | 1995-08-15 |
Family
ID=11359920
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT92108289T ATE126199T1 (de) | 1991-05-17 | 1992-05-15 | Verfahren zur herstellung von trimellithsäure. |
Country Status (7)
Country | Link |
---|---|
US (1) | US5250724A (de) |
EP (1) | EP0513835B1 (de) |
JP (1) | JP3303173B2 (de) |
AT (1) | ATE126199T1 (de) |
DE (1) | DE69203947T2 (de) |
ES (1) | ES2075529T3 (de) |
IT (1) | IT1247944B (de) |
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 (de) * | 2005-05-13 | 2009-01-28 | Polynt S.P.A. | Verfahren zur Herstellung von Trimellitsäure |
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/de 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 |
---|---|
DE69203947T2 (de) | 1995-11-23 |
ITMI911360A0 (it) | 1991-05-17 |
JP3303173B2 (ja) | 2002-07-15 |
EP0513835A2 (de) | 1992-11-19 |
US5250724A (en) | 1993-10-05 |
ES2075529T3 (es) | 1995-10-01 |
EP0513835B1 (de) | 1995-08-09 |
DE69203947D1 (de) | 1995-09-14 |
EP0513835A3 (en) | 1993-02-03 |
ITMI911360A1 (it) | 1992-11-17 |
IT1247944B (it) | 1995-01-05 |
JPH05221919A (ja) | 1993-08-31 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ATE125245T1 (de) | Verfahren zur herstellung von 3-hydroxyalkanalen. | |
ATE141591T1 (de) | Verfahren zur herstellung von methylsulfonylbenzoesäuren | |
DE3867912D1 (de) | Katalysator fuer die oxydierung von acrolein und verfahren zu seiner herstellung. | |
DE3882253D1 (de) | Verfahren zur herstellung von olefinpolymeren und verwendeter katalysator. | |
ATE126199T1 (de) | Verfahren zur herstellung von trimellithsäure. | |
ATE338741T1 (de) | Verfahren zur herstellung von phthalsäureanhydrid | |
DE69022650D1 (de) | Katalytisches Verfahren zur Herstellung von Carbonsäure und Carbonsäure-Estern. | |
DE50102496D1 (de) | Verfahren zur herstellung eines ringförmigen schalenkatalysators und verwendung davon zur herstellung von acrolein | |
DE69001509D1 (de) | Verfahren zur herstellung der katalysatoren fuer die oxidation von kohlenstoffmonoxid. | |
ATE100430T1 (de) | Verfahren zur herstellung von 1,1,1,2-tetrafluor- chlorethan und von pentafluorethan. | |
AT380687B (de) | Verfahren zur herstellung von n-phosphonometyl-glycin | |
ATE10485T1 (de) | Verfahren zur oxidation von reaktiven aromaten. | |
DE3772847D1 (de) | Verfahren zur herstellung von 2-methyl-1,4-naphthochinon. | |
DE69929894D1 (de) | Verfahren zur herstellung von essigsäure | |
ATE125797T1 (de) | Verfahren zur herstellung von chinolinen. | |
DE69012061D1 (de) | Verfahren zur herstellung von kohlenstoffsäureestern und katalysator dazu. | |
DE69003771D1 (de) | Verfahren zur Herstellung Mangandioxydkatalysators zur Hydrierung von Cyanhydrinen. | |
DE3481705D1 (de) | Verfahren zur herstellung von acrylsaeure durch oxidation von acrolein, sowie ein dafuer geeigneter neuer katalysator. | |
DE68903792D1 (de) | Katalytisches verfahren zur herstellung von linearen polyethylenepolyaminen mit fluorophosphorsaeure auf titanoxid als katalysator. | |
DE69218803D1 (de) | Verfahren zur Herstellung von Methacrylsäure durch katalytische Oxydierung von Isobutan | |
ATE58492T1 (de) | Wiederbelebung eines phosphorvanadium enthaltenden katalysators und dessen herstellungsverfahren, katalysator zur herstellung von maleinesaeureanhydrid, der mit phosphorsaeurealkylestern in anwesenheit von wasser behandelt worden ist. | |
ATA516081A (de) | Verfahren zur herstellung von eisen und molybdaen und gegebenenfalls kobalt in form von oxiden enthaltenden katalysatoren | |
DE69111254D1 (de) | Oxydation von tertiär alkylsubstituierten Aromaten und Katalysatoren dafür. | |
ATE132129T1 (de) | Verfahren zur herstellung von 2,6- naphthalindicarbonsäure | |
ATE243182T1 (de) | Verfahren zur herstellung von 2,3,5-trimethyl-p- benzochinon |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
REN | Ceased due to non-payment of the annual fee |