GB777782A - Purification of terephthalic acid - Google Patents
Purification of terephthalic acidInfo
- Publication number
- GB777782A GB777782A GB18279/55A GB1827955A GB777782A GB 777782 A GB777782 A GB 777782A GB 18279/55 A GB18279/55 A GB 18279/55A GB 1827955 A GB1827955 A GB 1827955A GB 777782 A GB777782 A GB 777782A
- Authority
- GB
- United Kingdom
- Prior art keywords
- acid
- terephthalic acid
- purification
- alkali
- mineral
- 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
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)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB18279/55A GB777782A (en) | 1955-06-24 | 1955-06-24 | Purification of terephthalic acid |
NL207342A NL94268C (nl) | 1955-06-24 | 1956-05-23 | Werkwijze voor het zuiveren van tereftaalzuur |
DEI11744A DE1082899B (de) | 1955-06-24 | 1956-05-28 | Verfahren zur Reinigung von Terephthalsaeure |
FR1153232D FR1153232A (fr) | 1955-06-24 | 1956-06-08 | Purification de l'acide téréphtalique |
BE548960A BE548960A (fr) | 1955-06-24 | 1956-06-23 | Purification de l'acide terephtalique. |
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 |
---|---|
GB777782A true GB777782A (en) | 1957-06-26 |
Family
ID=10109742
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB18279/55A Expired GB777782A (en) | 1955-06-24 | 1955-06-24 | Purification of terephthalic acid |
Country Status (5)
Country | Link |
---|---|
BE (1) | BE548960A (nl) |
DE (1) | DE1082899B (nl) |
FR (1) | FR1153232A (nl) |
GB (1) | GB777782A (nl) |
NL (1) | NL94268C (nl) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1089746B (de) * | 1957-06-28 | 1960-09-29 | Ici Ltd | Verfahren zur Reinigung von Terephthalsaeure |
DE1117100B (de) * | 1958-11-18 | 1961-11-16 | Chemstrand Corp | Verfahren zur Reinigung von Iso- und bzw. oder Terephthalsaeure |
US3047621A (en) * | 1962-07-31 | Purification of phthalic acids | ||
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 |
US3115521A (en) * | 1960-04-29 | 1963-12-24 | Standard Oil Co | Aromatic acid purification |
US3205260A (en) * | 1960-03-02 | 1965-09-07 | Montedison Spa | Process for the purification of terephthalic acid |
US3243457A (en) * | 1963-04-05 | 1966-03-29 | Teijin Ltd | Process for producing purified terephthalic acid |
DE1242211B (de) * | 1961-04-25 | 1967-06-15 | Monsanto Co | Verfahren zur kontinuerlichen Gewinnung reiner Benzoldicarbonsaeuren |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2991028B1 (fr) | 2012-05-25 | 2014-07-04 | Snecma | Virole de chambre de combustion de turbomachine |
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/nl active
- 1956-05-28 DE DEI11744A patent/DE1082899B/de active Pending
- 1956-06-08 FR FR1153232D patent/FR1153232A/fr not_active Expired
- 1956-06-23 BE BE548960A patent/BE548960A/fr unknown
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3047621A (en) * | 1962-07-31 | Purification of phthalic acids | ||
DE1089746B (de) * | 1957-06-28 | 1960-09-29 | Ici Ltd | Verfahren zur Reinigung von Terephthalsaeure |
DE1117100B (de) * | 1958-11-18 | 1961-11-16 | Chemstrand Corp | Verfahren zur Reinigung von Iso- und bzw. oder Terephthalsaeure |
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 |
DE1242211B (de) * | 1961-04-25 | 1967-06-15 | Monsanto Co | Verfahren zur kontinuerlichen Gewinnung reiner Benzoldicarbonsaeuren |
US3243457A (en) * | 1963-04-05 | 1966-03-29 | Teijin Ltd | Process for producing purified terephthalic acid |
Also Published As
Publication number | Publication date |
---|---|
BE548960A (fr) | 1959-11-20 |
FR1153232A (fr) | 1958-03-04 |
NL94268C (nl) | 1960-05-16 |
DE1082899B (de) | 1960-06-09 |
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