JPS5320516B2 - - Google Patents
Info
- Publication number
- JPS5320516B2 JPS5320516B2 JP1778573A JP1778573A JPS5320516B2 JP S5320516 B2 JPS5320516 B2 JP S5320516B2 JP 1778573 A JP1778573 A JP 1778573A JP 1778573 A JP1778573 A JP 1778573A JP S5320516 B2 JPS5320516 B2 JP S5320516B2
- 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.)
- Expired
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
- C07D201/12—Preparation of lactams by depolymerising polyamides
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1778573A JPS5320516B2 (en) | 1973-02-12 | 1973-02-12 | |
| IT2043974A IT1009641B (en) | 1973-02-12 | 1974-02-11 | METHOD FOR ISOLATING A SUBSTANCE OF EPSILON CAPROLACTAME |
| GB605474A GB1420063A (en) | 1973-02-12 | 1974-02-11 | Method for isolating epsilon-caprolactam material |
| DE19742406398 DE2406398C3 (en) | 1973-02-12 | 1974-02-11 | Process for separating a monomeric and / or oligomeric and / or polymeric e-caprolactam-containing phase from a mixture containing such compounds |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1778573A JPS5320516B2 (en) | 1973-02-12 | 1973-02-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS49102687A JPS49102687A (en) | 1974-09-27 |
| JPS5320516B2 true JPS5320516B2 (en) | 1978-06-27 |
Family
ID=11953354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1778573A Expired JPS5320516B2 (en) | 1973-02-12 | 1973-02-12 |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS5320516B2 (en) |
| DE (1) | DE2406398C3 (en) |
| GB (1) | GB1420063A (en) |
| IT (1) | IT1009641B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114426769A (en) * | 2020-09-22 | 2022-05-03 | 中国石油化工股份有限公司 | Application of caprolactam recovered in process of preparing nylon 6 by hydrolyzing, ring-opening and polymerizing caprolactam and cyclic oligomer mixture thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4911879A (en) * | 1972-02-09 | 1974-02-01 |
-
1973
- 1973-02-12 JP JP1778573A patent/JPS5320516B2/ja not_active Expired
-
1974
- 1974-02-11 IT IT2043974A patent/IT1009641B/en active
- 1974-02-11 GB GB605474A patent/GB1420063A/en not_active Expired
- 1974-02-11 DE DE19742406398 patent/DE2406398C3/en not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4911879A (en) * | 1972-02-09 | 1974-02-01 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS49102687A (en) | 1974-09-27 |
| GB1420063A (en) | 1976-01-07 |
| DE2406398B2 (en) | 1978-05-18 |
| DE2406398A1 (en) | 1974-08-29 |
| DE2406398C3 (en) | 1979-01-04 |
| IT1009641B (en) | 1976-12-20 |