CH479518A - Procédé de purification de l'acide téréphtalique - Google Patents
Procédé de purification de l'acide téréphtaliqueInfo
- Publication number
- CH479518A CH479518A CH784268A CH784268A CH479518A CH 479518 A CH479518 A CH 479518A CH 784268 A CH784268 A CH 784268A CH 784268 A CH784268 A CH 784268A CH 479518 A CH479518 A CH 479518A
- Authority
- CH
- Switzerland
- Prior art keywords
- terephthalic acid
- purification process
- acid purification
- terephthalic
- purification
- Prior art date
Links
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 title 2
- 238000000746 purification Methods 0.000 title 1
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
- C07C51/48—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
-
- 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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR108247A FR1547429A (fr) | 1967-05-29 | 1967-05-29 | Procédé de purification de l'acide téréphtalique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH479518A true CH479518A (fr) | 1969-10-15 |
Family
ID=8631836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH784268A CH479518A (fr) | 1967-05-29 | 1968-05-28 | Procédé de purification de l'acide téréphtalique |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3649683A (en:Method) |
| BE (1) | BE715795A (en:Method) |
| CH (1) | CH479518A (en:Method) |
| DE (1) | DE1768572B1 (en:Method) |
| FR (1) | FR1547429A (en:Method) |
| GB (1) | GB1177330A (en:Method) |
| LU (1) | LU56154A1 (en:Method) |
| NL (1) | NL6807183A (en:Method) |
-
1967
- 1967-05-29 FR FR108247A patent/FR1547429A/fr not_active Expired
-
1968
- 1968-05-21 NL NL6807183A patent/NL6807183A/xx unknown
- 1968-05-27 US US732113A patent/US3649683A/en not_active Expired - Lifetime
- 1968-05-28 LU LU56154D patent/LU56154A1/xx unknown
- 1968-05-28 CH CH784268A patent/CH479518A/fr unknown
- 1968-05-28 BE BE715795D patent/BE715795A/xx unknown
- 1968-05-29 DE DE19681768572 patent/DE1768572B1/de not_active Withdrawn
- 1968-05-29 GB GB25757/68A patent/GB1177330A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| LU56154A1 (en:Method) | 1969-03-20 |
| FR1547429A (fr) | 1968-11-29 |
| NL6807183A (en:Method) | 1968-12-02 |
| GB1177330A (en) | 1970-01-07 |
| DE1768572B1 (de) | 1972-04-27 |
| US3649683A (en) | 1972-03-14 |
| BE715795A (en:Method) | 1968-11-28 |
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