FR2351959A1 - Procede d'obtention d'e-caprolactame d'un melange reactionnel d'e-caprolactame-acide sulfurique - Google Patents
Procede d'obtention d'e-caprolactame d'un melange reactionnel d'e-caprolactame-acide sulfuriqueInfo
- Publication number
- FR2351959A1 FR2351959A1 FR7702580A FR7702580A FR2351959A1 FR 2351959 A1 FR2351959 A1 FR 2351959A1 FR 7702580 A FR7702580 A FR 7702580A FR 7702580 A FR7702580 A FR 7702580A FR 2351959 A1 FR2351959 A1 FR 2351959A1
- Authority
- FR
- France
- Prior art keywords
- caprolactam
- obtaining
- sulfuric acid
- reactional mixture
- reactional
- Prior art date
- 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
- C07D201/16—Separation or purification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Other In-Based Heterocyclic Compounds (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Removal Of Specific Substances (AREA)
- Hydrogenated Pyridines (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7601061A NL7601061A (nl) | 1976-02-03 | 1976-02-03 | Werkwijze voor het winnen van epsilon-caprolac- tam uit een epsilon-caprolactamzwavelzuur-reac- tiemengsel. |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2351959A1 true FR2351959A1 (fr) | 1977-12-16 |
FR2351959B1 FR2351959B1 (fr) | 1981-12-24 |
Family
ID=19825559
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7702580A Granted FR2351959A1 (fr) | 1976-02-03 | 1977-01-31 | Procede d'obtention d'e-caprolactame d'un melange reactionnel d'e-caprolactame-acide sulfurique |
Country Status (15)
Country | Link |
---|---|
US (1) | US4081442A (fr) |
JP (1) | JPS6047253B2 (fr) |
AR (1) | AR210197A1 (fr) |
BE (1) | BE850374A (fr) |
BR (1) | BR7700655A (fr) |
CA (1) | CA1084919A (fr) |
CH (1) | CH626063A5 (fr) |
DE (1) | DE2704561A1 (fr) |
ES (1) | ES455523A1 (fr) |
FR (1) | FR2351959A1 (fr) |
GB (1) | GB1506139A (fr) |
IT (1) | IT1083460B (fr) |
MX (1) | MX144993A (fr) |
NL (1) | NL7601061A (fr) |
SU (1) | SU712023A3 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2786180A1 (fr) * | 1998-11-19 | 2000-05-26 | Rhone Poulenc Fibres | Procede de traitement de lactames et procede de purification d'un lactame |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL7700882A (nl) * | 1977-01-28 | 1978-08-01 | Stamicarbon | Werkwijze voor het winnen van epsilon-caprolac- tam uit een epsilon-caprolactamzwavelzuurreac- tiemengsel. |
DE2900426A1 (de) * | 1978-01-10 | 1979-07-12 | Inst Francais Du Petrol | Verfahren zur umwandlung von ammonium- imidodisulfat, ammoniumsulfamat und ammoniumdithionat in schwefeldioxid und ammoniak |
US4677074A (en) * | 1984-06-21 | 1987-06-30 | The Lubrizol Corporation | Process for reducing sulfur-containing contaminants in sulfonated hydrocarbons |
TWI520944B (zh) * | 2015-02-13 | 2016-02-11 | 中國石油化學工業開發股份有限公司 | 己內醯胺之製造方法及其系統 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2141794A1 (fr) * | 1971-06-18 | 1973-01-26 | Zieren Chemiebau Gmbh Dr A |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3264060A (en) * | 1966-08-02 | Simultaneous recovery of pure ammoni- um sulfate and pure lactams from re- arrangement mixtures of alicyclic ketoximes | ||
DE850746C (de) * | 1944-12-17 | 1952-09-29 | Basf Ag | Verfahren zum Aufarbeiten von durch Basen verunreinigten Lactamen |
US2723266A (en) * | 1952-05-15 | 1955-11-08 | British Celanese | Process for producing amides and lactams |
NL282684A (fr) * | 1961-08-30 | 1900-01-01 | ||
DE1220398B (de) * | 1962-11-15 | 1966-07-07 | Roehm & Haas Gmbh | Gewinnung von Ammoniak und Schwefeldioxyd aus Ammoniumbisulfat enthaltenden Abfallschwefelsaeuren |
US3347852A (en) * | 1963-07-03 | 1967-10-17 | Toyo Rayon Co Ltd | Process for refining crude lactams |
NL6403701A (fr) * | 1964-04-08 | 1965-10-11 | ||
NL7008837A (fr) * | 1970-06-17 | 1971-12-21 | ||
US3725391A (en) * | 1970-11-30 | 1973-04-03 | Toray Industries | Process for the preparation of lactams from cycloalkanone oximes |
CA989830A (en) * | 1971-05-07 | 1976-05-25 | Abraham H. De Rooij | Process for preparing and recovering lactams |
FR2138545B1 (fr) * | 1971-05-27 | 1973-05-25 | Inst Francais Du Petrole | |
BE790692A (fr) * | 1971-10-29 | 1973-04-27 | Stamicarbon | Procede d'obtention de lactames purs |
US3859278A (en) * | 1972-12-11 | 1975-01-07 | Stamicarbon | Process for separating lactams |
CH593934A5 (fr) * | 1974-09-03 | 1977-12-30 | Inventa Ag |
-
1976
- 1976-02-03 NL NL7601061A patent/NL7601061A/xx unknown
-
1977
- 1977-01-14 BE BE174071A patent/BE850374A/xx not_active IP Right Cessation
- 1977-01-17 CA CA269,877A patent/CA1084919A/fr not_active Expired
- 1977-01-18 GB GB1935/77A patent/GB1506139A/en not_active Expired
- 1977-01-21 MX MX167779A patent/MX144993A/es unknown
- 1977-01-24 IT IT47772/77A patent/IT1083460B/it active
- 1977-01-24 JP JP52006685A patent/JPS6047253B2/ja not_active Expired
- 1977-01-28 AR AR266345A patent/AR210197A1/es active
- 1977-01-28 SU SU772444805A patent/SU712023A3/ru active
- 1977-01-31 FR FR7702580A patent/FR2351959A1/fr active Granted
- 1977-02-01 ES ES455523A patent/ES455523A1/es not_active Expired
- 1977-02-01 CH CH119977A patent/CH626063A5/de not_active IP Right Cessation
- 1977-02-02 US US05/765,102 patent/US4081442A/en not_active Expired - Lifetime
- 1977-02-02 BR BR7700655A patent/BR7700655A/pt unknown
- 1977-02-03 DE DE19772704561 patent/DE2704561A1/de not_active Ceased
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2141794A1 (fr) * | 1971-06-18 | 1973-01-26 | Zieren Chemiebau Gmbh Dr A |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2786180A1 (fr) * | 1998-11-19 | 2000-05-26 | Rhone Poulenc Fibres | Procede de traitement de lactames et procede de purification d'un lactame |
WO2000031031A1 (fr) * | 1998-11-19 | 2000-06-02 | Rhodia Polyamide Intermediates | Procede de traitement de lactames et procede de purification d'un lactame |
Also Published As
Publication number | Publication date |
---|---|
SU712023A3 (ru) | 1980-01-25 |
GB1506139A (en) | 1978-04-05 |
CH626063A5 (fr) | 1981-10-30 |
CA1084919A (fr) | 1980-09-02 |
BR7700655A (pt) | 1977-10-11 |
US4081442A (en) | 1978-03-28 |
ES455523A1 (es) | 1978-01-16 |
DE2704561A1 (de) | 1977-08-04 |
IT1083460B (it) | 1985-05-21 |
FR2351959B1 (fr) | 1981-12-24 |
AR210197A1 (es) | 1977-06-30 |
MX144993A (es) | 1981-12-10 |
NL7601061A (nl) | 1977-08-05 |
JPS5295686A (en) | 1977-08-11 |
JPS6047253B2 (ja) | 1985-10-21 |
BE850374A (nl) | 1977-07-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |