BE696199A - - Google Patents
Info
- Publication number
- BE696199A BE696199A BE696199DA BE696199A BE 696199 A BE696199 A BE 696199A BE 696199D A BE696199D A BE 696199DA BE 696199 A BE696199 A BE 696199A
- 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
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US53856866A | 1966-03-30 | 1966-03-30 | |
| US53860466A | 1966-03-30 | 1966-03-30 | |
| US60133166A | 1966-12-13 | 1966-12-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE696199A true BE696199A (xx) | 1967-09-28 |
Family
ID=27415277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE696199D BE696199A (xx) | 1966-03-30 | 1967-03-28 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3522298A (xx) |
| BE (1) | BE696199A (xx) |
| CH (1) | CH476668A (xx) |
| DE (1) | DE1618673C3 (xx) |
| FR (1) | FR1515778A (xx) |
| GB (1) | GB1163665A (xx) |
| NL (1) | NL6704576A (xx) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3679741A (en) * | 1970-07-23 | 1972-07-25 | Mobil Oil Corp | Purifying and milling terephthalic acid |
| US4345089A (en) * | 1977-01-24 | 1982-08-17 | Hercofina | Recovery of aromatic carboxylic acid or ester thereof from residue fraction of oxidation or esterification reaction mixture |
| JPS5517309A (en) * | 1978-07-21 | 1980-02-06 | Mitsubishi Gas Chem Co Inc | Preparation of high purity terephthalic acid |
| US4317923A (en) * | 1979-08-23 | 1982-03-02 | Uop Inc. | Purification of dicarboxylic aromatic acids |
| US4467110A (en) * | 1981-10-29 | 1984-08-21 | Standard Oil Company (Indiana) | Process for purification of crude terephthalic acid |
| US4467111A (en) * | 1981-10-29 | 1984-08-21 | Standard Oil Company (Indiana) | Process for purification of crude terephthalic acid |
| US4405809A (en) * | 1981-12-04 | 1983-09-20 | Standard Oil Company (Indiana) | Process for the manufacture of aromatic polycarboxylic acids having delta Y values below ten |
| US4791226A (en) * | 1983-06-23 | 1988-12-13 | Amoco Corporation | Catalyst and process for purification of crude terephthalic acid |
| GB9211415D0 (en) * | 1992-05-29 | 1992-07-15 | Ici Plc | Process for the production of purified terephthalic acid |
| US5413681A (en) * | 1993-11-15 | 1995-05-09 | Eastman Chemical Company | Process for the recovery of terephthalic acid and ethylene glycol from poly(ethylene terephthalate) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK128489B (da) * | 1963-03-29 | 1974-05-13 | Standard Oil Co | Fremgangsmåde til udvinding af terephthalsyre af høj renhedsgrad. |
| US3265729A (en) * | 1963-03-29 | 1966-08-09 | Standard Oil Co | Process of purifying phthalic acids |
| US3330863A (en) * | 1964-04-17 | 1967-07-11 | Mobil Oil Corp | Process for the purification of sublimable aromatic polycarboxylic acids |
-
1966
- 1966-12-13 US US601331A patent/US3522298A/en not_active Expired - Lifetime
-
1967
- 1967-03-14 GB GB01830/67A patent/GB1163665A/en not_active Expired
- 1967-03-23 DE DE1618673A patent/DE1618673C3/de not_active Expired
- 1967-03-28 BE BE696199D patent/BE696199A/xx unknown
- 1967-03-30 FR FR100854A patent/FR1515778A/fr not_active Expired
- 1967-03-30 NL NL6704576A patent/NL6704576A/xx unknown
- 1967-03-30 CH CH446667A patent/CH476668A/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE1618673C3 (de) | 1974-02-28 |
| CH476668A (de) | 1969-08-15 |
| GB1163665A (en) | 1969-09-10 |
| DE1618673A1 (de) | 1970-12-23 |
| DE1618673B2 (de) | 1973-07-19 |
| NL6704576A (xx) | 1967-10-02 |
| FR1515778A (fr) | 1968-03-01 |
| US3522298A (en) | 1970-07-28 |