BE663757A - - Google Patents
Info
- Publication number
- BE663757A BE663757A BE663757A BE663757A BE663757A BE 663757 A BE663757 A BE 663757A BE 663757 A BE663757 A BE 663757A BE 663757 A BE663757 A BE 663757A BE 663757 A BE663757 A BE 663757A
- Authority
- BE
- Belgium
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 |
|---|---|---|---|
| FR974415A FR1426901A (fr) | 1964-05-13 | 1964-05-13 | Procédé de purification de l'acide téréphtalique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE663757A true BE663757A (de) | 1965-11-12 |
Family
ID=8829978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE663757A BE663757A (de) | 1964-05-13 | 1965-05-11 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3361804A (de) |
| BE (1) | BE663757A (de) |
| DE (1) | DE1298979B (de) |
| FR (1) | FR1426901A (de) |
| GB (1) | GB1050312A (de) |
| NL (1) | NL6505950A (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1568341A1 (de) * | 1966-10-12 | 1970-03-19 | Huels Chemische Werke Ag | Verfahren zur Reinigung technischer Terephthalsaeure |
| US3916012A (en) * | 1968-04-19 | 1975-10-28 | Standard Oil Co | Purification of 2,6 and 2,7 naphthalene dicarboxylic acid |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2899466A (en) * | 1959-08-11 | Purification of terephthalic acid | ||
| US3047621A (en) * | 1962-07-31 | Purification of phthalic acids | ||
| DE965231C (de) * | 1954-07-09 | 1957-06-06 | Basf Ag | Verfahren zur Gewinnung reiner Terephthalsaeure |
| GB785045A (en) * | 1954-12-15 | 1957-10-23 | Ici Ltd | Purification of terephthalic acid |
| DE1175661B (de) * | 1958-12-30 | 1964-08-13 | Hoechst Ag | Verfahren zur Abtrennung von stickstoffhaltigen Verbindungen aus bei der Salpetersaeureoxydation von p-Dialkylbenzolen, p-Chlormethyltoluol oder p-Xylylendichlorid erhaltener Terephthalsaeure |
| NL250177A (de) * | 1959-04-06 |
-
0
- GB GB1050312D patent/GB1050312A/en active Active
-
1964
- 1964-05-13 FR FR974415A patent/FR1426901A/fr not_active Expired
-
1965
- 1965-05-05 DE DEJ28066A patent/DE1298979B/de active Pending
- 1965-05-11 US US454974A patent/US3361804A/en not_active Expired - Lifetime
- 1965-05-11 BE BE663757A patent/BE663757A/xx unknown
- 1965-05-11 NL NL6505950A patent/NL6505950A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1050312A (de) | |
| DE1298979B (de) | 1969-07-10 |
| US3361804A (en) | 1968-01-02 |
| NL6505950A (de) | 1965-11-15 |
| FR1426901A (fr) | 1966-02-04 |