BE564338A - - Google Patents
Info
- Publication number
- BE564338A BE564338A BE564338DA BE564338A BE 564338 A BE564338 A BE 564338A BE 564338D A BE564338D A BE 564338DA BE 564338 A BE564338 A BE 564338A
- 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
- C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/54—Preparation of carboxylic acid anhydrides
- C07C51/573—Separation; Purification; Stabilisation; Use of additives
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Furan Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEI12788A DE1031779B (de) | 1957-02-04 | 1957-02-04 | Verfahren zur Reinigung von Tetrachlorphthalsaeure oder deren Anhydrid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE564338A true BE564338A (ja) |
Family
ID=7185448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE564338D BE564338A (ja) | 1957-02-04 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE564338A (ja) |
| DE (1) | DE1031779B (ja) |
| FR (1) | FR1202126A (ja) |
| GB (1) | GB823507A (ja) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06340648A (ja) * | 1993-06-02 | 1994-12-13 | Nippon Light Metal Co Ltd | テトラクロロフタル酸無水物の精製法及び高純度テトラクロロフタル酸無水物 |
| US5706593A (en) * | 1997-02-06 | 1998-01-13 | Allard; Alice J. | Compact ironing board securable to an edge |
| US7495113B2 (en) | 2004-12-22 | 2009-02-24 | Sabic Innovative Plastics | Method of purifying dianhydrides |
| US7863463B2 (en) | 2005-11-22 | 2011-01-04 | Sabic Innovative Plastics Ip B.V. | Method of purifying dianhydrides |
-
0
- BE BE564338D patent/BE564338A/xx unknown
-
1957
- 1957-02-04 DE DEI12788A patent/DE1031779B/de active Pending
-
1958
- 1958-01-24 FR FR1202126D patent/FR1202126A/fr not_active Expired
- 1958-02-04 GB GB364258A patent/GB823507A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB823507A (en) | 1959-11-11 |
| DE1031779B (de) | 1958-06-12 |
| FR1202126A (fr) | 1960-01-07 |