DE60139832D1 - Verfahren zur Herstellung einer hochreinen aromatischen Polycarbonsäure - Google Patents
Verfahren zur Herstellung einer hochreinen aromatischen PolycarbonsäureInfo
- Publication number
- DE60139832D1 DE60139832D1 DE60139832T DE60139832T DE60139832D1 DE 60139832 D1 DE60139832 D1 DE 60139832D1 DE 60139832 T DE60139832 T DE 60139832T DE 60139832 T DE60139832 T DE 60139832T DE 60139832 D1 DE60139832 D1 DE 60139832D1
- Authority
- DE
- Germany
- Prior art keywords
- preparation
- high purity
- polycarboxylic acid
- aromatic polycarboxylic
- purity aromatic
- 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
- C07C51/44—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation
-
- 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)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000154793A JP5030321B2 (ja) | 2000-05-25 | 2000-05-25 | 高純度芳香族ポリカルボン酸の製造法 |
JP2000397491A JP4654515B2 (ja) | 2000-12-27 | 2000-12-27 | 芳香族ポリカルボン酸の製造方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE60139832D1 true DE60139832D1 (de) | 2009-10-22 |
Family
ID=26592597
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60139832T Expired - Lifetime DE60139832D1 (de) | 2000-05-25 | 2001-05-15 | Verfahren zur Herstellung einer hochreinen aromatischen Polycarbonsäure |
Country Status (3)
Country | Link |
---|---|
US (2) | US6455731B2 (de) |
EP (2) | EP1157981B1 (de) |
DE (1) | DE60139832D1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7627343B2 (en) * | 2003-04-25 | 2009-12-01 | Apple Inc. | Media player system |
US7164038B1 (en) | 2006-02-14 | 2007-01-16 | Eastman Chemical Company | Process for decolorizing aromatic dicarboxylic acids |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3896688A (en) * | 1972-07-13 | 1975-07-29 | Bausch & Lomb | Method of edging a non-rigid lens |
US4407766A (en) * | 1981-05-26 | 1983-10-04 | National Patent Development Corporation | Molds and procedure for producing truncated contact lenses |
US5565609A (en) * | 1993-02-12 | 1996-10-15 | Mitsui Petrochemical Industries, Ltd. | Method of purifying aromatic dicarboxylic acids |
AUPN354595A0 (en) * | 1995-06-14 | 1995-07-06 | Ciba-Geigy Ag | Novel materials |
TW446698B (en) | 1996-02-05 | 2001-07-21 | Mitsubishi Gas Chemical Co | Process for the production of high-purity naphthalenedicarboxylic acid |
US6113817A (en) * | 1997-03-25 | 2000-09-05 | Novartis Ag | Molding processes |
US6194609B1 (en) * | 1997-06-30 | 2001-02-27 | Bp Amoco Corporation | Crystallization in a plate heat exchanger |
JP3798147B2 (ja) * | 1998-06-03 | 2006-07-19 | 株式会社メニコン | 眼用レンズの成形型 |
DE60002782T2 (de) * | 1999-05-26 | 2004-03-25 | Mitsubishi Gas Chemical Co., Inc. | Verfahren zur Herstellung einer hochreinen aromatischen Polycarbonsäure |
-
2001
- 2001-05-15 DE DE60139832T patent/DE60139832D1/de not_active Expired - Lifetime
- 2001-05-15 EP EP01111224A patent/EP1157981B1/de not_active Expired - Lifetime
- 2001-05-15 EP EP09166679A patent/EP2194037B1/de not_active Expired - Lifetime
- 2001-05-17 US US09/858,487 patent/US6455731B2/en not_active Expired - Lifetime
-
2002
- 2002-08-12 US US10/215,773 patent/US6642412B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP2194037A1 (de) | 2010-06-09 |
EP1157981B1 (de) | 2009-09-09 |
US6455731B2 (en) | 2002-09-24 |
US20030055284A1 (en) | 2003-03-20 |
US6642412B2 (en) | 2003-11-04 |
US20020002305A1 (en) | 2002-01-03 |
EP1157981A3 (de) | 2003-10-15 |
EP1157981A2 (de) | 2001-11-28 |
EP2194037B1 (de) | 2011-08-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |