DE69708942T2 - Verfahren zur Herstellung von hochreiner Naphthalin-Dicarbonsäure - Google Patents
Verfahren zur Herstellung von hochreiner Naphthalin-DicarbonsäureInfo
- Publication number
- DE69708942T2 DE69708942T2 DE1997608942 DE69708942T DE69708942T2 DE 69708942 T2 DE69708942 T2 DE 69708942T2 DE 1997608942 DE1997608942 DE 1997608942 DE 69708942 T DE69708942 T DE 69708942T DE 69708942 T2 DE69708942 T2 DE 69708942T2
- Authority
- DE
- Germany
- Prior art keywords
- production
- dicarboxylic acid
- naphthalene dicarboxylic
- purity naphthalene
- purity
- 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
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1896396A JPH09208518A (ja) | 1996-02-05 | 1996-02-05 | 高純度ナフタレンジカルボン酸の製造法 |
| JP01896296A JP3826960B2 (ja) | 1996-02-05 | 1996-02-05 | 高純度ナフタレンジカルボン酸の製造方法 |
| JP14168796 | 1996-06-04 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69708942D1 DE69708942D1 (de) | 2002-01-24 |
| DE69708942T2 true DE69708942T2 (de) | 2002-04-25 |
Family
ID=27282439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE1997608942 Expired - Lifetime DE69708942T2 (de) | 1996-02-05 | 1997-02-05 | Verfahren zur Herstellung von hochreiner Naphthalin-Dicarbonsäure |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0787712B1 (de) |
| KR (1) | KR100711300B1 (de) |
| DE (1) | DE69708942T2 (de) |
| ID (1) | ID15874A (de) |
| TW (1) | TW446698B (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8993799B2 (en) | 2011-05-30 | 2015-03-31 | Mitsubishi Gas Chemical Company, Inc. | Method for producing a purified naphthalene dicarboxylic acid |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1055660B1 (de) * | 1999-05-26 | 2003-05-21 | Mitsubishi Gas Chemical Company, Inc. | Verfahren zur Herstellung einer hochreinen aromatischen Polycarbonsäure |
| EP1157981B1 (de) | 2000-05-25 | 2009-09-09 | Mitsubishi Gas Chemical Company, Inc. | Verfahren zur Herstellung einer hochreinen aromatischen Polycarbonsäure |
| KR100545541B1 (ko) * | 2002-03-06 | 2006-01-25 | 주식회사 효성 | 고순도 2,6-나프탈렌 디카복실산의 제조방법 |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4868554A (de) | 1971-12-24 | 1973-09-18 | ||
| JPS4868555A (de) | 1971-12-25 | 1973-09-18 | ||
| JPS5648498B2 (de) | 1974-04-15 | 1981-11-16 | ||
| JPS5714331B2 (de) | 1974-05-08 | 1982-03-24 | ||
| JPS5220993A (en) | 1975-08-11 | 1977-02-17 | Ebara Corp | Process of gypsum by exhaust gas desulfurization |
| JPS5220994A (en) | 1976-08-17 | 1977-02-17 | Kureha Chem Ind Co Ltd | Oxidation method of calcium sulfite |
| JPS62230747A (ja) | 1986-03-31 | 1987-10-09 | Kureha Chem Ind Co Ltd | ２，６−ナフタレンジカルボン酸の精製法 |
| JPH02243652A (ja) | 1989-03-17 | 1990-09-27 | Nippon Steel Chem Co Ltd | ナフタレンジカルボン酸塩の精製法 |
| JPH0532586A (ja) | 1991-07-26 | 1993-02-09 | Mitsubishi Petrochem Co Ltd | ２，６−ナフタレンジカルボン酸の製造方法 |
| JPH05294892A (ja) | 1992-04-22 | 1993-11-09 | Mitsubishi Petrochem Co Ltd | ナフタレンジカルボン酸の製造方法 |
| US5256817A (en) | 1992-06-18 | 1993-10-26 | Amoco Corporation | Method for purifying a naphthalenedicarboxylic acid |
| KR100318701B1 (ko) * | 1992-06-18 | 2002-10-18 | 비피 코포레이션 노스 아메리카 인코포레이티드 | 방향족카복실산의제조방법 |
| US5565609A (en) * | 1993-02-12 | 1996-10-15 | Mitsui Petrochemical Industries, Ltd. | Method of purifying aromatic dicarboxylic acids |
| US5449820A (en) * | 1994-03-15 | 1995-09-12 | Mitsubishi Chemical Corporation | Method of preparing high purity 2,6-naphthalene dicarboxylic acid |
| US5481033A (en) * | 1994-12-22 | 1996-01-02 | E. I. Du Pont De Nemours And Company | Purification process for aromatic dicarboxylic acids |
-
1997
- 1997-02-01 TW TW86101275A patent/TW446698B/zh not_active IP Right Cessation
- 1997-02-03 ID IDP970328A patent/ID15874A/id unknown
- 1997-02-05 KR KR1019970003586A patent/KR100711300B1/ko not_active IP Right Cessation
- 1997-02-05 EP EP19970300725 patent/EP0787712B1/de not_active Expired - Lifetime
- 1997-02-05 DE DE1997608942 patent/DE69708942T2/de not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8993799B2 (en) | 2011-05-30 | 2015-03-31 | Mitsubishi Gas Chemical Company, Inc. | Method for producing a purified naphthalene dicarboxylic acid |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0787712B1 (de) | 2001-12-12 |
| DE69708942D1 (de) | 2002-01-24 |
| TW446698B (en) | 2001-07-21 |
| ID15874A (id) | 1997-08-14 |
| EP0787712A1 (de) | 1997-08-06 |
| KR100711300B1 (ko) | 2008-09-26 |
| KR980002005A (ko) | 1998-03-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition |