BE667020A - - Google Patents
Info
- Publication number
- BE667020A BE667020A BE667020DA BE667020A BE 667020 A BE667020 A BE 667020A BE 667020D A BE667020D A BE 667020DA BE 667020 A BE667020 A BE 667020A
- Authority
- BE
- Belgium
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
- C07D201/08—Preparation of lactams from carboxylic acids or derivatives thereof, e.g. hydroxy carboxylic acids, lactones or nitriles
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6408265A NL6408265A (de) | 1964-07-18 | 1964-07-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE667020A true BE667020A (de) | 1966-01-17 |
Family
ID=19790571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE667020D BE667020A (de) | 1964-07-18 | 1965-07-16 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3369017A (de) |
| BE (1) | BE667020A (de) |
| CH (1) | CH484059A (de) |
| DE (1) | DE1256218B (de) |
| GB (1) | GB1105166A (de) |
| NL (1) | NL6408265A (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5827067A (en) * | 1997-04-21 | 1998-10-27 | Perez; Irma Maritza | Method and apparatus for educating mathematical functions |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3022291A (en) * | 1962-02-20 | cuhno |
-
1964
- 1964-07-18 NL NL6408265A patent/NL6408265A/xx unknown
-
1965
- 1965-07-12 US US471393A patent/US3369017A/en not_active Expired - Lifetime
- 1965-07-13 DE DEST24125A patent/DE1256218B/de active Pending
- 1965-07-14 CH CH990865A patent/CH484059A/de not_active IP Right Cessation
- 1965-07-15 GB GB30134/65A patent/GB1105166A/en not_active Expired
- 1965-07-16 BE BE667020D patent/BE667020A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1105166A (en) | 1968-03-06 |
| DE1256218B (de) | 1967-12-14 |
| CH484059A (de) | 1970-01-15 |
| NL6408265A (de) | 1966-01-19 |
| US3369017A (en) | 1968-02-13 |