DE69412557D1 - Verfahren zur Herstellung von 5-Hydroxyisophthalsäure - Google Patents
Verfahren zur Herstellung von 5-HydroxyisophthalsäureInfo
- Publication number
- DE69412557D1 DE69412557D1 DE69412557T DE69412557T DE69412557D1 DE 69412557 D1 DE69412557 D1 DE 69412557D1 DE 69412557 T DE69412557 T DE 69412557T DE 69412557 T DE69412557 T DE 69412557T DE 69412557 D1 DE69412557 D1 DE 69412557D1
- Authority
- DE
- Germany
- Prior art keywords
- preparation
- hydroxyisophthalic acid
- hydroxyisophthalic
- acid
- 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 - Lifetime
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
-
- 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)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5277904A JPH07109246A (ja) | 1993-10-08 | 1993-10-08 | ５−ヒドロキシイソフタル酸の製造方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE69412557D1 true DE69412557D1 (de) | 1998-09-24 |
Family
ID=17589916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69412557T Expired - Lifetime DE69412557D1 (de) | 1993-10-08 | 1994-10-07 | Verfahren zur Herstellung von 5-Hydroxyisophthalsäure |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US5416256A (de) |
| EP (1) | EP0647610B1 (de) |
| JP (1) | JPH07109246A (de) |
| DE (1) | DE69412557D1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IL113142A0 (en) * | 1995-03-27 | 1995-06-29 | Icl Israel Chemical Ltd | Process for the preparation of 5-hydroxyisophthalic acids |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1197609A (fr) * | 1954-05-03 | 1959-12-02 | Mid Century Corp | Procédé de préparation d'acides aromatiques carboxyliques, notamment d'acide téréphtalique, par oxydation catalytique des composés aromatiques correspondants |
| GB837321A (en) * | 1957-02-08 | 1960-06-09 | Ici Ltd | Improvements in and relating to an oxidation process for the production of aromatic carboxylic acids |
| DE2104909A1 (en) * | 1971-02-03 | 1972-09-07 | Chemische Fabrik Kalk GmbH, 5000 Köln | Terephthalic acid prodn - by para-xylene oxidn with oxygen using cobalt and bromine compound catalysts |
| JPS561299B2 (de) * | 1973-04-26 | 1981-01-13 | ||
| JPS51108030A (en) * | 1975-03-17 | 1976-09-25 | Mitsubishi Gas Chemical Co | 55 hidorokishiisofutarusanno seizoho |
| US4263452A (en) * | 1979-06-12 | 1981-04-21 | Mitsubishi Gas Chemical Company, Inc. | Process for purifying terephthalic acid |
| JPS62242644A (ja) * | 1986-04-16 | 1987-10-23 | Mitsui Petrochem Ind Ltd | アルキルフエノ−ル類の酸化方法 |
| EP0375812A1 (de) * | 1988-12-23 | 1990-07-04 | Amoco Corporation | Verfahren zur Herstellung einer aromatischen Polycarbonsäure |
-
1993
- 1993-10-08 JP JP5277904A patent/JPH07109246A/ja active Pending
-
1994
- 1994-10-04 US US08/322,308 patent/US5416256A/en not_active Expired - Fee Related
- 1994-10-07 DE DE69412557T patent/DE69412557D1/de not_active Expired - Lifetime
- 1994-10-07 EP EP94115834A patent/EP0647610B1/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP0647610A1 (de) | 1995-04-12 |
| US5416256A (en) | 1995-05-16 |
| EP0647610B1 (de) | 1998-08-19 |
| JPH07109246A (ja) | 1995-04-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8332 | No legal effect for de |