BE669329A - - Google Patents
Info
- Publication number
- BE669329A BE669329A BE669329DA BE669329A BE 669329 A BE669329 A BE 669329A BE 669329D A BE669329D A BE 669329DA BE 669329 A BE669329 A BE 669329A
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5155464 | 1964-09-09 | ||
| JP5500764 | 1964-09-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE669329A true BE669329A (de) | 1965-12-31 |
Family
ID=26392099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE669329D BE669329A (de) | 1964-09-09 | 1965-09-08 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3364256A (de) |
| BE (1) | BE669329A (de) |
| CH (1) | CH479524A (de) |
| GB (1) | GB1078168A (de) |
| NL (1) | NL6511709A (de) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL128444C (de) * | 1963-10-10 | |||
| US3944602A (en) * | 1965-07-28 | 1976-03-16 | Chemische Werke Witten Gmbh | Process for the preparation of terephthalic acid |
| US3862218A (en) * | 1968-02-15 | 1975-01-21 | Celanese Corp | Purification of terephthalic acid by thermal treatment |
| US3887613A (en) * | 1968-02-15 | 1975-06-03 | Celanese Corp | Thermal purification of terephthalic acid using group I-B, II-B, VIII catalysts |
| US3917681A (en) * | 1969-05-23 | 1975-11-04 | Atlantic Richfield Co | Purification of isophthalic acid |
| US3910998A (en) * | 1971-04-12 | 1975-10-07 | Teijin Ltd | Process for preparation of substantially refined methylterephthalic and or 4-methylisophthalic acid |
| FR2413352A1 (fr) * | 1977-12-28 | 1979-07-27 | Mitsui Petrochemical Ind | Procede de preparation de l'acide terephtalique |
| US6153790A (en) * | 1998-12-01 | 2000-11-28 | Shell Oil Company | Method to produce aromatic dicarboxylic acids using cobalt and zirconium catalysts |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB799181A (en) * | 1956-04-11 | 1958-08-06 | Olin Mathieson | Process of preparing substantially pure terephthalic and isophthalí¡í¡ |
| US3171856A (en) * | 1962-01-04 | 1965-03-02 | Socony Mobil Oil Co Inc | Acid purification process |
-
1965
- 1965-08-31 US US484100A patent/US3364256A/en not_active Expired - Lifetime
- 1965-09-08 GB GB38426/65A patent/GB1078168A/en not_active Expired
- 1965-09-08 NL NL6511709A patent/NL6511709A/xx unknown
- 1965-09-08 BE BE669329D patent/BE669329A/xx unknown
- 1965-09-09 CH CH1257165A patent/CH479524A/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| US3364256A (en) | 1968-01-16 |
| NL6511709A (de) | 1966-03-10 |
| CH479524A (de) | 1969-10-15 |
| GB1078168A (en) | 1967-08-02 |