CH393332A - Verfahren zur Reinigung von E-Caprolactam - Google Patents
Verfahren zur Reinigung von E-CaprolactamInfo
- Publication number
- CH393332A CH393332A CH1394861A CH1394861A CH393332A CH 393332 A CH393332 A CH 393332A CH 1394861 A CH1394861 A CH 1394861A CH 1394861 A CH1394861 A CH 1394861A CH 393332 A CH393332 A CH 393332A
- Authority
- CH
- Switzerland
- Prior art keywords
- caprolactam
- purifying
- Prior art date
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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D201/00—Preparation, separation, purification or stabilisation of unsubstituted lactams
- C07D201/02—Preparation of lactams
- C07D201/08—Preparation of lactams from carboxylic acids or derivatives thereof, e.g. hydroxy carboxylic acids, lactones or nitriles
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D223/00—Heterocyclic compounds containing seven-membered rings having one nitrogen atom as the only ring hetero atom
- C07D223/02—Heterocyclic compounds containing seven-membered rings having one nitrogen atom as the only ring hetero atom not condensed with other rings
- C07D223/06—Heterocyclic compounds containing seven-membered rings having one nitrogen atom as the only ring hetero atom not condensed with other rings with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D223/08—Oxygen atoms
- C07D223/10—Oxygen atoms attached in position 2
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Other In-Based Heterocyclic Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Polyamides (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1394861A CH393332A (de) | 1961-11-30 | 1961-11-30 | Verfahren zur Reinigung von E-Caprolactam |
| GB38055/62A GB990124A (en) | 1961-11-30 | 1962-10-08 | Process for the purification of caprolactam |
| DK471262AA DK103021C (da) | 1961-11-30 | 1962-11-01 | Fremgangsmåde til rensning af ɛ-caprolactam. |
| ES282923A ES282923A1 (es) | 1961-11-30 | 1962-11-29 | Un procedimiento para la depuración de caprolactama |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1394861A CH393332A (de) | 1961-11-30 | 1961-11-30 | Verfahren zur Reinigung von E-Caprolactam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH393332A true CH393332A (de) | 1965-06-15 |
Family
ID=4396688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1394861A CH393332A (de) | 1961-11-30 | 1961-11-30 | Verfahren zur Reinigung von E-Caprolactam |
Country Status (4)
| Country | Link |
|---|---|
| CH (1) | CH393332A (da) |
| DK (1) | DK103021C (da) |
| ES (1) | ES282923A1 (da) |
| GB (1) | GB990124A (da) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2781796B1 (fr) | 1998-07-28 | 2000-09-22 | Rhone Poulenc Fibres | Procede de deshydratation de lactame |
-
1961
- 1961-11-30 CH CH1394861A patent/CH393332A/de unknown
-
1962
- 1962-10-08 GB GB38055/62A patent/GB990124A/en not_active Expired
- 1962-11-01 DK DK471262AA patent/DK103021C/da active
- 1962-11-29 ES ES282923A patent/ES282923A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB990124A (en) | 1965-04-28 |
| DK103021C (da) | 1965-11-08 |
| ES282923A1 (es) | 1963-05-01 |
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