CS165031B1 - - Google Patents
Info
- Publication number
- CS165031B1 CS165031B1 CS42872A CS42872A CS165031B1 CS 165031 B1 CS165031 B1 CS 165031B1 CS 42872 A CS42872 A CS 42872A CS 42872 A CS42872 A CS 42872A CS 165031 B1 CS165031 B1 CS 165031B1
- Authority
- CS
- Czechoslovakia
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)
- Hydrogenated Pyridines (AREA)
- Polyesters Or Polycarbonates (AREA)
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CS42872A CS165031B1 (en) | 1972-01-24 | 1972-01-24 | |
DE19732302977 DE2302977A1 (en) | 1972-01-24 | 1973-01-22 | METHOD FOR CLEANING UP LAUROLACTAM |
CH93173A CH560189A5 (en) | 1972-01-24 | 1973-01-23 | |
JP961173A JPS4881883A (en) | 1972-01-24 | 1973-01-24 | |
NL7301014A NL7301014A (en) | 1972-01-24 | 1973-01-24 | |
GB368973A GB1379002A (en) | 1972-01-24 | 1973-01-24 | Method of purification of laurolactam |
FR7302495A FR2169209B1 (en) | 1972-01-24 | 1973-01-24 | |
CA161,940A CA973083A (en) | 1972-01-24 | 1973-01-24 | Method of purification of laurolactam |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CS42872A CS165031B1 (en) | 1972-01-24 | 1972-01-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
CS165031B1 true CS165031B1 (en) | 1975-11-28 |
Family
ID=5336320
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CS42872A CS165031B1 (en) | 1972-01-24 | 1972-01-24 |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPS4881883A (en) |
CA (1) | CA973083A (en) |
CH (1) | CH560189A5 (en) |
CS (1) | CS165031B1 (en) |
DE (1) | DE2302977A1 (en) |
FR (1) | FR2169209B1 (en) |
GB (1) | GB1379002A (en) |
NL (1) | NL7301014A (en) |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1416202A (en) * | 1963-11-30 | 1965-10-29 | Basf Ag | purification of pyrrolidone-2 |
-
1972
- 1972-01-24 CS CS42872A patent/CS165031B1/cs unknown
-
1973
- 1973-01-22 DE DE19732302977 patent/DE2302977A1/en active Pending
- 1973-01-23 CH CH93173A patent/CH560189A5/xx not_active IP Right Cessation
- 1973-01-24 JP JP961173A patent/JPS4881883A/ja active Pending
- 1973-01-24 GB GB368973A patent/GB1379002A/en not_active Expired
- 1973-01-24 CA CA161,940A patent/CA973083A/en not_active Expired
- 1973-01-24 NL NL7301014A patent/NL7301014A/xx unknown
- 1973-01-24 FR FR7302495A patent/FR2169209B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CA973083A (en) | 1975-08-19 |
JPS4881883A (en) | 1973-11-01 |
FR2169209B1 (en) | 1977-02-04 |
DE2302977A1 (en) | 1973-08-02 |
CH560189A5 (en) | 1975-03-27 |
NL7301014A (en) | 1973-07-26 |
GB1379002A (en) | 1975-01-02 |
FR2169209A1 (en) | 1973-09-07 |