GB788276A - A process for the purification of phthalic acids - Google Patents
A process for the purification of phthalic acidsInfo
- Publication number
- GB788276A GB788276A GB9886/56A GB988656A GB788276A GB 788276 A GB788276 A GB 788276A GB 9886/56 A GB9886/56 A GB 9886/56A GB 988656 A GB988656 A GB 988656A GB 788276 A GB788276 A GB 788276A
- Authority
- GB
- United Kingdom
- Prior art keywords
- solution
- ion exchanger
- acid
- phthalate
- adsorbent
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J41/00—Anion exchange; Use of material as anion exchangers; Treatment of material for improving the anion exchange properties
-
- 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 |
---|---|---|---|
NL788276X | 1955-03-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB788276A true GB788276A (en) | 1957-12-23 |
Family
ID=19832333
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9886/56A Expired GB788276A (en) | 1955-03-31 | 1956-03-29 | A process for the purification of phthalic acids |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE546554A (xx) |
FR (1) | FR1197623A (xx) |
GB (1) | GB788276A (xx) |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3080421A (en) * | 1958-11-18 | 1963-03-05 | Purification of temephthalic agio | |
US3080420A (en) * | 1963-03-05 | 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 |
US3123632A (en) * | 1964-03-03 | Process for the production of the | ||
US3205260A (en) * | 1960-03-02 | 1965-09-07 | Montedison Spa | Process for the purification of terephthalic acid |
US3243456A (en) * | 1962-06-06 | 1966-03-29 | Eastman Kodak Co | Purification of insoluble dicarboxylic acids |
US3265729A (en) * | 1963-03-29 | 1966-08-09 | Standard Oil Co | Process of purifying phthalic acids |
US3337617A (en) * | 1962-05-01 | 1967-08-22 | Exxon Research Engineering Co | Manufacture of aromatic polycarboxylic acids |
US3344177A (en) * | 1964-02-21 | 1967-09-26 | Standard Oil Co | Purification of water-insoluble aromatic dicarboxylic acids obtained by catalytic liquid phase oxidation with molecular oxygen |
US3410897A (en) * | 1963-10-10 | 1968-11-12 | Maruzen Oil Company Ltd | Purification of terephthalic acid |
US3439027A (en) * | 1964-12-23 | 1969-04-15 | Marathon Oil Co | Production of aromatic carboxylic acids and their alkali metal salts |
-
0
- BE BE546554D patent/BE546554A/xx unknown
-
1956
- 1956-03-29 GB GB9886/56A patent/GB788276A/en not_active Expired
- 1956-03-29 FR FR1197623D patent/FR1197623A/fr not_active Expired
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3080420A (en) * | 1963-03-05 | Purification of phthalic acids | ||
US3123632A (en) * | 1964-03-03 | Process for the production of the | ||
US3080421A (en) * | 1958-11-18 | 1963-03-05 | Purification of temephthalic agio | |
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 |
US3337617A (en) * | 1962-05-01 | 1967-08-22 | Exxon Research Engineering Co | Manufacture of aromatic polycarboxylic acids |
US3243456A (en) * | 1962-06-06 | 1966-03-29 | Eastman Kodak Co | Purification of insoluble dicarboxylic acids |
US3265729A (en) * | 1963-03-29 | 1966-08-09 | Standard Oil Co | Process of purifying phthalic acids |
US3410897A (en) * | 1963-10-10 | 1968-11-12 | Maruzen Oil Company Ltd | Purification of terephthalic acid |
US3344177A (en) * | 1964-02-21 | 1967-09-26 | Standard Oil Co | Purification of water-insoluble aromatic dicarboxylic acids obtained by catalytic liquid phase oxidation with molecular oxygen |
US3439027A (en) * | 1964-12-23 | 1969-04-15 | Marathon Oil Co | Production of aromatic carboxylic acids and their alkali metal salts |
Also Published As
Publication number | Publication date |
---|---|
BE546554A (xx) | |
FR1197623A (fr) | 1959-12-02 |
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