CH448048A - Procédé de purification d'acides polycarboxyliques aromatiques - Google Patents
Procédé de purification d'acides polycarboxyliques aromatiquesInfo
- Publication number
- CH448048A CH448048A CH712866A CH712866A CH448048A CH 448048 A CH448048 A CH 448048A CH 712866 A CH712866 A CH 712866A CH 712866 A CH712866 A CH 712866A CH 448048 A CH448048 A CH 448048A
- Authority
- CH
- Switzerland
- Prior art keywords
- purification
- polycarboxylic acids
- aromatic polycarboxylic
- aromatic
- acids
- Prior art date
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
- C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US45621465A | 1965-05-17 | 1965-05-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH448048A true CH448048A (fr) | 1967-12-15 |
Family
ID=23811917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH712866A CH448048A (fr) | 1965-05-17 | 1966-05-17 | Procédé de purification d'acides polycarboxyliques aromatiques |
Country Status (8)
| Country | Link |
|---|---|
| AT (1) | AT288360B (fr) |
| BE (1) | BE681178A (fr) |
| CH (1) | CH448048A (fr) |
| DE (1) | DE1593539B2 (fr) |
| ES (1) | ES326851A1 (fr) |
| GB (1) | GB1152577A (fr) |
| NL (1) | NL6606728A (fr) |
| SE (1) | SE344741B (fr) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58126834A (ja) * | 1982-01-23 | 1983-07-28 | Mitsubishi Gas Chem Co Inc | トリメリツト酸の晶析法 |
| US4626598A (en) * | 1985-06-17 | 1986-12-02 | Amoco Corporation | Purification of terephthalic acid |
| US20030120109A1 (en) * | 2001-12-20 | 2003-06-26 | Rosen Bruce I. | Purification of a crude acid mixture |
| US7132566B2 (en) | 2003-09-22 | 2006-11-07 | Eastman Chemical Company | Process for the purification of a crude carboxylic acid slurry |
| BR0316462A (pt) | 2002-12-09 | 2005-10-11 | Eastman Chem Co | Processos para reduzir uma suspensão de ácido carboxìlico purificado, para purificar um produto de oxidação em estágios, para produzir um produto de ácido carboxìlico purificado, e, suspensão de ácido carboxìlico purificado |
| US7074954B2 (en) | 2002-12-09 | 2006-07-11 | Eastman Chemical Company | Process for the oxidative purification of terephthalic acid |
| US7546747B2 (en) * | 2004-01-15 | 2009-06-16 | Eastman Chemical Company | Process for production of a dried carboxylic acid cake suitable for use in polyester production |
| US8614350B2 (en) | 2008-01-15 | 2013-12-24 | Eastman Chemical Company | Carboxylic acid production process employing solvent from esterification of lignocellulosic material |
| US8455680B2 (en) | 2008-01-15 | 2013-06-04 | Eastman Chemical Company | Carboxylic acid production process employing solvent from esterification of lignocellulosic material |
-
1966
- 1966-05-16 GB GB2165666A patent/GB1152577A/en not_active Expired
- 1966-05-17 CH CH712866A patent/CH448048A/fr unknown
- 1966-05-17 DE DE1966ST025410 patent/DE1593539B2/de active Granted
- 1966-05-17 ES ES0326851A patent/ES326851A1/es not_active Expired
- 1966-05-17 AT AT466566A patent/AT288360B/de not_active IP Right Cessation
- 1966-05-17 BE BE681178D patent/BE681178A/xx unknown
- 1966-05-17 NL NL6606728A patent/NL6606728A/xx unknown
- 1966-05-17 SE SE685666A patent/SE344741B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AT288360B (de) | 1971-03-10 |
| DE1593539B2 (de) | 1977-03-10 |
| ES326851A1 (es) | 1967-07-01 |
| GB1152577A (en) | 1969-05-21 |
| SE344741B (fr) | 1972-05-02 |
| NL6606728A (fr) | 1966-11-18 |
| DE1593539A1 (de) | 1970-12-10 |
| BE681178A (fr) | 1966-10-31 |
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