DE69203947D1 - Verfahren zur Herstellung von Trimellithsäure. - Google Patents
Verfahren zur Herstellung von Trimellithsäure.Info
- Publication number
- DE69203947D1 DE69203947D1 DE69203947T DE69203947T DE69203947D1 DE 69203947 D1 DE69203947 D1 DE 69203947D1 DE 69203947 T DE69203947 T DE 69203947T DE 69203947 T DE69203947 T DE 69203947T DE 69203947 D1 DE69203947 D1 DE 69203947D1
- Authority
- DE
- Germany
- Prior art keywords
- trimellitic acid
- preparation
- pseudocumene
- cerium
- bromine
- 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 - Fee Related
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 abstract 4
- 238000000034 method Methods 0.000 title abstract 2
- GWHJZXXIDMPWGX-UHFFFAOYSA-N 1,2,4-trimethylbenzene Chemical compound CC1=CC=C(C)C(C)=C1 GWHJZXXIDMPWGX-UHFFFAOYSA-N 0.000 abstract 2
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 abstract 1
- 229910052684 Cerium Inorganic materials 0.000 abstract 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 abstract 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 abstract 1
- 229910052794 bromium Inorganic materials 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- 230000003197 catalytic effect Effects 0.000 abstract 1
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 abstract 1
- 229910017052 cobalt Inorganic materials 0.000 abstract 1
- 239000010941 cobalt Substances 0.000 abstract 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 abstract 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 abstract 1
- 230000003647 oxidation Effects 0.000 abstract 1
- 238000007254 oxidation reaction Methods 0.000 abstract 1
- 239000010936 titanium Substances 0.000 abstract 1
- 229910052719 titanium Inorganic materials 0.000 abstract 1
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 (2)
| Publication Number | Publication Date |
|---|---|
| DE69203947D1 true DE69203947D1 (de) | 1995-09-14 |
| DE69203947T2 DE69203947T2 (de) | 1995-11-23 |
Family
ID=11359920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69203947T Expired - Fee Related DE69203947T2 (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 |
| 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 |
| PL1728778T3 (pl) * | 2005-05-13 | 2009-07-31 | Polynt S P A | Sposób wytwarzania kwasu trimelitowego |
| 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 AT AT92108289T patent/ATE126199T1/de not_active IP Right Cessation
- 1992-05-15 DE DE69203947T patent/DE69203947T2/de not_active Expired - Fee Related
- 1992-05-15 EP EP92108289A patent/EP0513835B1/de not_active Expired - Lifetime
- 1992-05-15 ES ES92108289T patent/ES2075529T3/es not_active Expired - Lifetime
- 1992-05-18 JP JP12508792A patent/JP3303173B2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| ITMI911360A0 (it) | 1991-05-17 |
| ATE126199T1 (de) | 1995-08-15 |
| EP0513835B1 (de) | 1995-08-09 |
| DE69203947T2 (de) | 1995-11-23 |
| JPH05221919A (ja) | 1993-08-31 |
| IT1247944B (it) | 1995-01-05 |
| US5250724A (en) | 1993-10-05 |
| EP0513835A3 (en) | 1993-02-03 |
| JP3303173B2 (ja) | 2002-07-15 |
| ES2075529T3 (es) | 1995-10-01 |
| EP0513835A2 (de) | 1992-11-19 |
| ITMI911360A1 (it) | 1992-11-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8363 | Opposition against the patent | ||
| 8365 | Fully valid after opposition proceedings | ||
| 8327 | Change in the person/name/address of the patent owner |
Owner name: POLYNT S.P.A., SCANZOROSCIATE, IT |
|
| 8339 | Ceased/non-payment of the annual fee |