BE764894A - Procede de purification de lactames - Google Patents
Procede de purification de lactamesInfo
- Publication number
- BE764894A BE764894A BE764894A BE764894A BE764894A BE 764894 A BE764894 A BE 764894A BE 764894 A BE764894 A BE 764894A BE 764894 A BE764894 A BE 764894A BE 764894 A BE764894 A BE 764894A
- Authority
- BE
- Belgium
- Prior art keywords
- purification process
- lactam
- lactam purification
- purification
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
- C08G69/08—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from amino-carboxylic acids
- C08G69/14—Lactams
- C08G69/16—Preparatory processes
-
- 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)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Other In-Based Heterocyclic Compounds (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19702014761 DE2014761C3 (de) | 1970-03-26 | 1970-03-26 | Verfahren zur Entfernung von Oximen aus Lactamen |
Publications (1)
Publication Number | Publication Date |
---|---|
BE764894A true BE764894A (fr) | 1971-08-16 |
Family
ID=5766479
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE764894A BE764894A (fr) | 1970-03-26 | 1971-03-26 | Procede de purification de lactames |
Country Status (6)
Country | Link |
---|---|
BE (1) | BE764894A (de) |
CH (1) | CH549021A (de) |
DE (1) | DE2014761C3 (de) |
FR (1) | FR2087869A5 (de) |
GB (1) | GB1286427A (de) |
NL (1) | NL172150C (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL9001545A (nl) * | 1990-07-06 | 1992-02-03 | Stamicarbon | Werkwijze voor het behandelen van amides. |
NL1003564C2 (nl) | 1996-07-11 | 1998-01-15 | Dsm Nv | Werkwijze voor het scheiden van een ketoxim of aldoxim van een amide. |
-
1970
- 1970-03-26 DE DE19702014761 patent/DE2014761C3/de not_active Expired
-
1971
- 1971-03-24 CH CH426771A patent/CH549021A/de not_active IP Right Cessation
- 1971-03-25 FR FR7110730A patent/FR2087869A5/fr not_active Expired
- 1971-03-25 NL NL7104047A patent/NL172150C/xx not_active IP Right Cessation
- 1971-03-26 BE BE764894A patent/BE764894A/xx not_active IP Right Cessation
- 1971-04-19 GB GB2401871A patent/GB1286427A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL172150C (nl) | 1983-07-18 |
FR2087869A5 (de) | 1971-12-31 |
CH549021A (de) | 1974-05-15 |
DE2014761A1 (de) | 1971-10-21 |
NL7104047A (de) | 1971-09-28 |
DE2014761B2 (de) | 1981-01-15 |
GB1286427A (en) | 1972-08-23 |
DE2014761C3 (de) | 1982-01-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: BAYER A.G. Effective date: 19840326 |