BE715887A - - Google Patents
Info
- Publication number
- BE715887A BE715887A BE715887DA BE715887A BE 715887 A BE715887 A BE 715887A BE 715887D A BE715887D A BE 715887DA BE 715887 A BE715887 A BE 715887A
- Authority
- BE
- Belgium
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D201/00—Preparation, separation, purification or stabilisation of unsubstituted lactams
- C07D201/16—Separation or purification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Other In-Based Heterocyclic Compounds (AREA)
- Extraction Or Liquid Replacement (AREA)
- Pyrrole Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1004367A CH491921A (de) | 1968-04-24 | 1968-04-24 | Verfahren zur Trennung von Lactamgemischen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE715887A true BE715887A (de) | 1968-10-16 |
Family
ID=4358686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE715887D BE715887A (de) | 1968-04-24 | 1968-05-30 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE715887A (de) |
| CH (1) | CH491921A (de) |
| FR (1) | FR1585946A (de) |
-
1968
- 1968-04-24 CH CH1004367A patent/CH491921A/de not_active IP Right Cessation
- 1968-05-30 BE BE715887D patent/BE715887A/xx unknown
- 1968-07-10 FR FR1585946D patent/FR1585946A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1585946A (de) | 1970-02-06 |
| DE1770393A1 (de) | 1972-05-10 |
| DE1770393B2 (de) | 1975-10-16 |
| CH491921A (de) | 1970-06-15 |