BE730682A - - Google Patents
Info
- Publication number
- BE730682A BE730682A BE730682DA BE730682A BE 730682 A BE730682 A BE 730682A BE 730682D A BE730682D A BE 730682DA BE 730682 A BE730682 A BE 730682A
- 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)
- Polyamides (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Other In-Based Heterocyclic Compounds (AREA)
- Pyrrole Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19681770088 DE1770088C3 (de) | 1968-03-29 | Verfahren zur Gewinnung von Caprolactam aus den durch Behandeln von Polycaprolactam mit Wasser erhaltenen Waschwässern |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE730682A true BE730682A (https=) | 1969-09-29 |
Family
ID=5700393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE730682D BE730682A (https=) | 1968-03-29 | 1969-03-28 |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE730682A (https=) |
| CH (1) | CH510666A (https=) |
| ES (1) | ES365414A1 (https=) |
| FR (1) | FR2005035A1 (https=) |
| GB (1) | GB1251258A (https=) |
| NL (1) | NL6904888A (https=) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7713349A (nl) * | 1977-12-02 | 1979-06-06 | Stamicarbon | Werkwijze voor het winnen van 2-pyrrolidon. |
| DE3026538A1 (de) | 1980-07-12 | 1982-02-11 | Basf Ag, 6700 Ludwigshafen | Verfahren zur kontinuierlichen extraktion von caprolactam als solches und dessen oligomere enthaltenden waessrigen loesungen |
| TW420662B (en) | 1996-02-17 | 2001-02-01 | Du Pont | Recovery of <epsilon>-caprolactam |
| BE1011047A3 (nl) * | 1997-03-17 | 1999-04-06 | Dsm Nv | Werkwijze voor het zuiveren van caprolactam. |
-
1969
- 1969-03-26 FR FR6908931A patent/FR2005035A1/fr not_active Withdrawn
- 1969-03-27 CH CH486369A patent/CH510666A/de not_active IP Right Cessation
- 1969-03-28 GB GB1251258D patent/GB1251258A/en not_active Expired
- 1969-03-28 NL NL6904888A patent/NL6904888A/xx unknown
- 1969-03-28 BE BE730682D patent/BE730682A/xx unknown
- 1969-03-29 ES ES0365414A patent/ES365414A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1251258A (https=) | 1971-10-27 |
| ES365414A1 (es) | 1971-01-16 |
| DE1770088A1 (de) | 1971-09-16 |
| CH510666A (de) | 1971-07-31 |
| NL6904888A (https=) | 1969-10-01 |
| DE1770088B2 (de) | 1976-05-26 |
| FR2005035A1 (https=) | 1969-12-05 |