FR2200265A1 - - Google Patents
Info
- Publication number
- FR2200265A1 FR2200265A1 FR7333138A FR7333138A FR2200265A1 FR 2200265 A1 FR2200265 A1 FR 2200265A1 FR 7333138 A FR7333138 A FR 7333138A FR 7333138 A FR7333138 A FR 7333138A FR 2200265 A1 FR2200265 A1 FR 2200265A1
- Authority
- FR
- France
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2245300A DE2245300A1 (de) | 1972-09-15 | 1972-09-15 | Verfahren zur aufarbeitung von borsaeurehaltigen lactamrueckstaenden |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2200265A1 true FR2200265A1 (xx) | 1974-04-19 |
| FR2200265B1 FR2200265B1 (xx) | 1978-09-08 |
Family
ID=5856431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7333138A Expired FR2200265B1 (xx) | 1972-09-15 | 1973-09-14 |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS50111088A (xx) |
| BE (1) | BE804806A (xx) |
| CA (1) | CA1013706A (xx) |
| CH (1) | CH581102A5 (xx) |
| DE (1) | DE2245300A1 (xx) |
| FR (1) | FR2200265B1 (xx) |
| GB (1) | GB1399061A (xx) |
| IT (1) | IT997547B (xx) |
| NL (1) | NL7312718A (xx) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2845075A1 (de) * | 1978-10-17 | 1980-05-08 | Basf Ag | Verfahren zur reinigung von rohcaprolactam |
| DE3729853A1 (de) * | 1987-09-05 | 1989-03-23 | Basf Ag | Verfahren zur aufarbeitung von destillationsrueckstaenden, die bei der reinigung von caprolactam anfallen |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR896883A (fr) * | 1942-08-18 | 1945-03-06 | Ig Farbenindustrie Ag | Procédé de récupération de lactames à partir de solutions aqueuses diluées |
| DE1155132B (de) * | 1961-11-14 | 1963-10-03 | Basf Ag | Verfahren zur Herstellung von Lactamen |
-
1972
- 1972-09-15 DE DE2245300A patent/DE2245300A1/de active Pending
-
1973
- 1973-09-13 CA CA180,966A patent/CA1013706A/en not_active Expired
- 1973-09-13 BE BE135606A patent/BE804806A/xx unknown
- 1973-09-13 CH CH1314273A patent/CH581102A5/xx not_active IP Right Cessation
- 1973-09-13 IT IT52499/73A patent/IT997547B/it active
- 1973-09-14 JP JP48103378A patent/JPS50111088A/ja active Pending
- 1973-09-14 NL NL7312718A patent/NL7312718A/xx not_active Application Discontinuation
- 1973-09-14 GB GB4319673A patent/GB1399061A/en not_active Expired
- 1973-09-14 FR FR7333138A patent/FR2200265B1/fr not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR896883A (fr) * | 1942-08-18 | 1945-03-06 | Ig Farbenindustrie Ag | Procédé de récupération de lactames à partir de solutions aqueuses diluées |
| DE1155132B (de) * | 1961-11-14 | 1963-10-03 | Basf Ag | Verfahren zur Herstellung von Lactamen |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2200265B1 (xx) | 1978-09-08 |
| GB1399061A (en) | 1975-06-25 |
| BE804806A (fr) | 1974-03-13 |
| CA1013706A (en) | 1977-07-12 |
| IT997547B (it) | 1975-12-30 |
| JPS50111088A (xx) | 1975-09-01 |
| CH581102A5 (xx) | 1976-10-29 |
| NL7312718A (xx) | 1974-03-19 |
| DE2245300A1 (de) | 1974-03-28 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |