JPS5152187A - - Google Patents
Info
- Publication number
- JPS5152187A JPS5152187A JP50106434A JP10643475A JPS5152187A JP S5152187 A JPS5152187 A JP S5152187A JP 50106434 A JP50106434 A JP 50106434A JP 10643475 A JP10643475 A JP 10643475A JP S5152187 A JPS5152187 A JP S5152187A
- Authority
- JP
- Japan
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D201/00—Preparation, separation, purification or stabilisation of unsubstituted lactams
- C07D201/02—Preparation of lactams
- C07D201/04—Preparation of lactams from or via oximes by Beckmann rearrangement
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Hydrogenated Pyridines (AREA)
- Other In-Based Heterocyclic Compounds (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH11926/74 | 1974-09-03 | ||
| CH1192674A CH593934A5 (ja) | 1974-09-03 | 1974-09-03 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5152187A true JPS5152187A (ja) | 1976-05-08 |
| JPS6020378B2 JPS6020378B2 (ja) | 1985-05-21 |
Family
ID=4378230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP50106434A Expired JPS6020378B2 (ja) | 1974-09-03 | 1975-09-02 | ラクタムの製法 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3991047A (ja) |
| JP (1) | JPS6020378B2 (ja) |
| CA (1) | CA1066700A (ja) |
| CH (1) | CH593934A5 (ja) |
| DE (1) | DE2538992C3 (ja) |
| GB (1) | GB1500084A (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020514350A (ja) * | 2017-12-15 | 2020-05-21 | アクアフィルスロ デー．オー．オー．Ａｑｕａｆｉｌｓｌｏ Ｄ．Ｏ．Ｏ． | 有機溶媒抽出を伴わない粗カプロラクタムの溶液からのカプロラクタムの精製方法 |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7601061A (nl) * | 1976-02-03 | 1977-08-05 | Stamicarbon | Werkwijze voor het winnen van epsilon-caprolac- tam uit een epsilon-caprolactamzwavelzuur-reac- tiemengsel. |
| JPS5373578A (en) * | 1976-12-14 | 1978-06-30 | Toray Ind Inc | Continuous purification of alpha-amino-epsilon-caprolactam |
| DE2708919C2 (de) * | 1977-03-02 | 1982-05-27 | Dr. C. Otto & Comp. Gmbh, 4630 Bochum | Verfahren zur Reinigung von SO↓2↓-haltigen Industrieabgasen |
| NL7704481A (nl) * | 1977-04-25 | 1977-08-31 | Stamicarbon | Werkwijze voor het winnen van ammoniak en zwavel- dioxide uit verontreinigd ammoniumzout van zwavel- zuur. |
| US5498790A (en) * | 1993-06-09 | 1996-03-12 | Novus International, Inc. | Regeneration of sulfuric acid from sulfate by-products of 2-hydroxy-4-(methylthio)butyric acid manufacture |
| US7022844B2 (en) | 2002-09-21 | 2006-04-04 | Honeywell International Inc. | Amide-based compounds, production, recovery, purification and uses thereof |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2221369A (en) * | 1940-11-12 | Process foe producing lactams | ||
| US2182078A (en) * | 1936-09-28 | 1939-12-05 | American Smelting Refining | Production of ammonia from ammonium sulphate |
| US2313026A (en) * | 1939-02-13 | 1943-03-02 | Schlack Paul | Process for the manufacture of lactams from oximes of cyclic ketones |
| BE502247A (ja) * | 1950-04-04 | |||
| US2781245A (en) * | 1952-09-18 | 1957-02-12 | Allied Chem & Dye Corp | Process of recovering ammonia from ammoniacal liquors |
| US3282646A (en) * | 1963-12-03 | 1966-11-01 | Allied Chem | Production of sulfur dioxide |
| NL164028C (nl) * | 1971-05-07 | 1980-11-17 | Stamicarbon | Werkwijze voor de afscheiding van lactamen. |
| CA989830A (en) * | 1971-05-07 | 1976-05-25 | Abraham H. De Rooij | Process for preparing and recovering lactams |
| BE790083A (fr) * | 1971-10-14 | 1973-04-13 | Chemie Linz Ag | Procede de production de clinker de ciment et de dioxyde de soufre |
-
1974
- 1974-09-03 CH CH1192674A patent/CH593934A5/xx not_active IP Right Cessation
-
1975
- 1975-08-27 US US05/608,249 patent/US3991047A/en not_active Expired - Lifetime
- 1975-09-01 GB GB35913/75A patent/GB1500084A/en not_active Expired
- 1975-09-02 CA CA234,544A patent/CA1066700A/en not_active Expired
- 1975-09-02 JP JP50106434A patent/JPS6020378B2/ja not_active Expired
- 1975-09-02 DE DE2538992A patent/DE2538992C3/de not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020514350A (ja) * | 2017-12-15 | 2020-05-21 | アクアフィルスロ デー．オー．オー．Ａｑｕａｆｉｌｓｌｏ Ｄ．Ｏ．Ｏ． | 有機溶媒抽出を伴わない粗カプロラクタムの溶液からのカプロラクタムの精製方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| CA1066700A (en) | 1979-11-20 |
| DE2538992A1 (de) | 1976-03-11 |
| DE2538992C3 (de) | 1982-07-22 |
| GB1500084A (en) | 1978-02-08 |
| US3991047A (en) | 1976-11-09 |
| DE2538992B2 (de) | 1981-07-16 |
| CH593934A5 (ja) | 1977-12-30 |
| JPS6020378B2 (ja) | 1985-05-21 |