BE722375A - - Google Patents
Info
- Publication number
- BE722375A BE722375A BE722375DA BE722375A BE 722375 A BE722375 A BE 722375A BE 722375D A BE722375D A BE 722375DA BE 722375 A BE722375 A BE 722375A
- 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
- C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
- C07C51/285—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with peroxy-compounds
-
- 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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US67528967A | 1967-10-16 | 1967-10-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE722375A true BE722375A (de) | 1969-04-16 |
Family
ID=24709829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE722375D BE722375A (de) | 1967-10-16 | 1968-10-16 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3574727A (de) |
| BE (1) | BE722375A (de) |
| DE (1) | DE1803056A1 (de) |
| GB (1) | GB1200956A (de) |
| NL (1) | NL6814006A (de) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5097066A (en) * | 1990-06-27 | 1992-03-17 | Amoco Corporation | Process for purification of aromatic dicarboxylic acids |
| US6013835A (en) * | 1995-06-07 | 2000-01-11 | Hfm International, Inc. | Method and apparatus for preparing purified terephthalic acid |
| US6054610A (en) * | 1995-06-07 | 2000-04-25 | Hfm International, Inc. | Method and apparatus for preparing purified terephthalic acid and isophthalic acid from mixed xylenes |
| US5929274A (en) * | 1995-06-07 | 1999-07-27 | Hfm International, Inc. | Method to reduce carboxybenzaldehyde isomers in terephthalic acid or isophthalic acid |
| US5767311A (en) * | 1995-06-07 | 1998-06-16 | Glitsch International, Inc. | Method and apparatus for preparing purified terephtalic acid |
-
1967
- 1967-10-16 US US675289A patent/US3574727A/en not_active Expired - Lifetime
-
1968
- 1968-10-01 NL NL6814006A patent/NL6814006A/xx unknown
- 1968-10-02 GB GB46670/68A patent/GB1200956A/en not_active Expired
- 1968-10-15 DE DE19681803056 patent/DE1803056A1/de active Pending
- 1968-10-16 BE BE722375D patent/BE722375A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL6814006A (de) | 1969-04-18 |
| US3574727A (en) | 1971-04-13 |
| GB1200956A (en) | 1970-08-05 |
| DE1803056A1 (de) | 1969-06-04 |