BE548960A - PURIFICATION OF TEREPHTHALIC ACID. - Google Patents
PURIFICATION OF TEREPHTHALIC ACID.Info
- Publication number
- BE548960A BE548960A BE548960A BE548960A BE548960A BE 548960 A BE548960 A BE 548960A BE 548960 A BE548960 A BE 548960A BE 548960 A BE548960 A BE 548960A BE 548960 A BE548960 A BE 548960A
- Authority
- BE
- Belgium
- Prior art keywords
- purification
- terephthalic acid
- terephthalic
- acid
- 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
- C07C51/02—Preparation of carboxylic acids or their salts, halides or anhydrides from salts of carboxylic acids
-
- 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 |
---|---|---|---|
GB18279/55A GB777782A (en) | 1955-06-24 | 1955-06-24 | Purification of terephthalic acid |
Publications (1)
Publication Number | Publication Date |
---|---|
BE548960A true BE548960A (en) | 1959-11-20 |
Family
ID=10109742
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE548960A BE548960A (en) | 1955-06-24 | 1956-06-23 | PURIFICATION OF TEREPHTHALIC ACID. |
Country Status (5)
Country | Link |
---|---|
BE (1) | BE548960A (en) |
DE (1) | DE1082899B (en) |
FR (1) | FR1153232A (en) |
GB (1) | GB777782A (en) |
NL (1) | NL94268C (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3047621A (en) * | 1962-07-31 | Purification of phthalic acids | ||
DE1089746B (en) * | 1957-06-28 | 1960-09-29 | Ici Ltd | Process for purifying terephthalic acid |
NL245503A (en) * | 1958-11-18 | |||
US3095445A (en) * | 1959-07-16 | 1963-06-25 | Standard Oil Co | Cyclic process for reuse of sulfur dioxide in the purification of aromatic dicarboxylic acids |
US3205260A (en) * | 1960-03-02 | 1965-09-07 | Montedison Spa | Process for the purification of terephthalic acid |
US3115521A (en) * | 1960-04-29 | 1963-12-24 | Standard Oil Co | Aromatic acid purification |
NL276789A (en) * | 1961-04-25 | |||
US3243457A (en) * | 1963-04-05 | 1966-03-29 | Teijin Ltd | Process for producing purified terephthalic acid |
FR2991028B1 (en) | 2012-05-25 | 2014-07-04 | Snecma | TURBOMACHINE COMBUSTION CHAMBER VIROLE |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB695170A (en) * | 1950-09-07 | 1953-08-05 | Bofors Ab | Method of purifying organic compounds |
-
1955
- 1955-06-24 GB GB18279/55A patent/GB777782A/en not_active Expired
-
1956
- 1956-05-23 NL NL207342A patent/NL94268C/en active
- 1956-05-28 DE DEI11744A patent/DE1082899B/en active Pending
- 1956-06-08 FR FR1153232D patent/FR1153232A/en not_active Expired
- 1956-06-23 BE BE548960A patent/BE548960A/en unknown
Also Published As
Publication number | Publication date |
---|---|
NL94268C (en) | 1960-05-16 |
DE1082899B (en) | 1960-06-09 |
GB777782A (en) | 1957-06-26 |
FR1153232A (en) | 1958-03-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BE548960A (en) | PURIFICATION OF TEREPHTHALIC ACID. | |
FR1167049A (en) | Manufacture of nitric acid | |
FR1197430A (en) | Imido-diphosphoric acid derivatives | |
BE576408A (en) | Synthesis of l-glutamic acid. | |
BE563515A (en) | PURIFICATION OF DICARBOXYLIC ACID ESTERS. | |
BE577903A (en) | Nitrates of dextranic acid. | |
FR1152610A (en) | Purification of terephthalic acid | |
FR68191E (en) | Purification of terephthalic acid | |
FR1137203A (en) | Purification of terephthalic acid | |
BE545571R (en) | PURIFICATION OF TEREPHTHALIC ACID. | |
BE545572A (en) | PURIFICATION OF TEREPHTHALIC ACID. | |
BE544518A (en) | PURIFICATION OF TEREPHTHALIC ACID. | |
FR1104703A (en) | Purification of terephthalic acid | |
BE543580A (en) | PURIFICATION OF TEREPHTHALIC ACID. | |
FR1218222A (en) | Esterification of terephthalic acid | |
BE572092A (en) | PURIFICATION OF TEREPHTHALIC ACID. | |
FR1140270A (en) | Purification of terephthalic acid | |
FR69410E (en) | Purification of terephthalic acid | |
BE530459A (en) | PURIFICATION OF TEREPHTHALIC ACID. | |
BE570706A (en) | PURIFICATION OF TEREPHTHALIC ACID. | |
BE568925A (en) | PURIFICATION OF TEREPHTHALIC ACID. | |
BE567827A (en) | PURIFICATION OF TEREPHTHALIC ACID. | |
FR1093080A (en) | Separation of terephthalic acid | |
FR228M (en) | Derivatives of benzoic acid. | |
FR1120022A (en) | Manufacture of terephthalic acid |