DE60115797D1 - Verfahren zur Herstellung von Pyromellitsäure - Google Patents
Verfahren zur Herstellung von PyromellitsäureInfo
- Publication number
- DE60115797D1 DE60115797D1 DE60115797T DE60115797T DE60115797D1 DE 60115797 D1 DE60115797 D1 DE 60115797D1 DE 60115797 T DE60115797 T DE 60115797T DE 60115797 T DE60115797 T DE 60115797T DE 60115797 D1 DE60115797 D1 DE 60115797D1
- Authority
- DE
- Germany
- Prior art keywords
- preparation
- pyromellitic acid
- pyromellitic
- 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 - Fee Related
Links
- CYIDZMCFTVVTJO-UHFFFAOYSA-N pyromellitic acid Chemical compound OC(=O)C1=CC(C(O)=O)=C(C(O)=O)C=C1C(O)=O CYIDZMCFTVVTJO-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
- C07C51/23—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of oxygen-containing groups to carboxyl groups
- C07C51/235—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of oxygen-containing groups to carboxyl groups of —CHO groups or primary alcohol groups
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000297040A JP2002105078A (ja) | 2000-09-28 | 2000-09-28 | 無水ピロメリット酸の製造方法 |
| JP2000297101A JP2002105079A (ja) | 2000-09-28 | 2000-09-28 | 無水ピロメリット酸の製造方法 |
| JP2000297101 | 2000-09-28 | ||
| JP2000297040 | 2000-09-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE60115797D1 true DE60115797D1 (de) | 2006-01-19 |
| DE60115797T2 DE60115797T2 (de) | 2006-07-27 |
Family
ID=26600996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE60115797T Expired - Fee Related DE60115797T2 (de) | 2000-09-28 | 2001-09-27 | Verfahren zur Herstellung von Pyromellitsäure |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US6452021B1 (de) |
| EP (1) | EP1193241B1 (de) |
| CN (1) | CN1159279C (de) |
| DE (1) | DE60115797T2 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7023933B2 (en) * | 2000-10-20 | 2006-04-04 | Matsushita Electric Industrial Co., Ltd. | Radio communication apparatus |
| EP2135671B1 (de) * | 2008-06-19 | 2015-03-04 | Mitsubishi Gas Chemical Company, Inc. | Katalysator und Verfahren zur Herstellung von Carboxylsäure und/oder Carboxylanhydrid bei Vorhandensein des Katalysators |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4305817A1 (de) | 1993-02-25 | 1994-09-01 | Consortium Elektrochem Ind | Verfahren zur Herstellung von Pyromellitsäuredianhydrid |
| JP4097749B2 (ja) * | 1997-10-03 | 2008-06-11 | 株式会社日本触媒 | 接触酸化用触媒 |
| GB2348642B (en) * | 1998-07-31 | 2004-03-10 | Chinese Petroleum Corp | Process for the preparation of pyromellitic dianhydride |
-
2001
- 2001-09-27 CN CNB011411465A patent/CN1159279C/zh not_active Expired - Fee Related
- 2001-09-27 DE DE60115797T patent/DE60115797T2/de not_active Expired - Fee Related
- 2001-09-27 EP EP01122618A patent/EP1193241B1/de not_active Expired - Lifetime
- 2001-09-27 US US09/963,402 patent/US6452021B1/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| EP1193241B1 (de) | 2005-12-14 |
| EP1193241A2 (de) | 2002-04-03 |
| DE60115797T2 (de) | 2006-07-27 |
| EP1193241A3 (de) | 2002-04-17 |
| US20020038039A1 (en) | 2002-03-28 |
| CN1349992A (zh) | 2002-05-22 |
| US6452021B1 (en) | 2002-09-17 |
| CN1159279C (zh) | 2004-07-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |