DK103021C - Fremgangsmåde til rensning af ɛ-caprolactam. - Google Patents
Fremgangsmåde til rensning af ɛ-caprolactam.Info
- Publication number
- DK103021C DK103021C DK471262AA DK471262A DK103021C DK 103021 C DK103021 C DK 103021C DK 471262A A DK471262A A DK 471262AA DK 471262 A DK471262 A DK 471262A DK 103021 C DK103021 C DK 103021C
- Authority
- DK
- Denmark
- 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)
- Polyamides (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
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 |
|---|---|
| DK103021C true DK103021C (da) | 1965-11-08 |
Family
ID=4396688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK471262AA DK103021C (da) | 1961-11-30 | 1962-11-01 | Fremgangsmåde til rensning af ɛ-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 |
| ES282923A1 (es) | 1963-05-01 |
| CH393332A (de) | 1965-06-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DK117214B (da) | Fremgangsmåde til fremstilling af små kapsler. | |
| DK104168C (da) | Fremgangsmåde til fremstilling af mono-biguanider. | |
| DK118242B (da) | Fremgangsmåde til fremstilling af anhydropenicilliner. | |
| DK110104C (da) | Fremgangsmåde til samling af rørstykker. | |
| DK105143C (da) | Fremgangsmåde til tørring af tobak. | |
| DK108976C (da) | Fremgangsmåde til fremstilling af hendecapeptider. | |
| DK108729C (da) | Fremgangsmåde til rensning af erythromycin. | |
| DK108455C (da) | Fremgangsmåde til fremstilling af i 5-stillingen usubstituerede 2-amino-benzophenoner. | |
| DK107027C (da) | Fremgangsmåde til fremstilling af 3-hydroxy-benzisoxazoler. | |
| DK106611C (da) | Fremgangsmåde til fremstilling af 1-(alkoxyphenylalkyl)-2-imidazolinoner. | |
| DK108227C (da) | Fremgangsmåde til fremstilling af 3-carbonhydridoxy-17α-halogenethinyl-19-nor-3,5-androstadien-17β-oler. | |
| DK103021C (da) | Fremgangsmåde til rensning af ɛ-caprolactam. | |
| DK106184C (da) | Fremgangsmåde til fremstilling af alkylaralkylftalater. | |
| DK118082B (da) | Fremgangsmåde til fremstilling af 4-cyanthiazol. | |
| DK124753B (da) | Analogifremgangsmåde til fremstilling af 13-alkyl-gonen-3,17-dioler. | |
| DK109755C (da) | Fremgangsmåde til samling af kautsjukaffjedrede skinnehjul. | |
| DK106189C (da) | Fremgangsmåde til fremstilling af punktelektroder. | |
| DK95264C (da) | Fremgangsmåde til rensning af demethylchlortetracyclin. | |
| DK104055C (da) | Fremgangsmåde til fremstilling af 6-methoxytetraloner. | |
| DK104347C (da) | Fremgangsmåde til fremstilling af 16α-hydroxysteroider. | |
| DK104136C (da) | Fremgangsmåde til fremstilling af benzensulfonylsemicarbazider. | |
| DK94174C (da) | Fremgangsmåde til rensning af bromsalicylanilider. | |
| DK99685C (da) | Fremgangsmåde til fremstilling af små kapsler. | |
| DK93780C (da) | Fremgangsmåde til behandling af spildevand. | |
| DK100253C (da) | Fremgangsmåde til rensning af krystallinsk insulin. |