NL6402370A - - Google Patents
Info
- Publication number
- NL6402370A NL6402370A NL6402370A NL6402370A NL6402370A NL 6402370 A NL6402370 A NL 6402370A NL 6402370 A NL6402370 A NL 6402370A NL 6402370 A NL6402370 A NL 6402370A NL 6402370 A NL6402370 A NL 6402370A
- Authority
- NL
- Netherlands
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)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL646402370A NL144600B (nl) | 1964-03-07 | 1964-03-07 | Afscheiding van lactamen uit een sterk zwavelzuur milieu. |
| US436912A US3336298A (en) | 1964-03-07 | 1965-03-03 | Separation of lactams from a strong sulphuric acid medium |
| CH298865A CH446343A (de) | 1964-03-07 | 1965-03-04 | Ausscheidung von Lactamen aus einem stark schwefelsauren Medium |
| GB9308/65A GB1080266A (en) | 1964-03-07 | 1965-03-04 | Separation of lactams from a strong sulphuric acid medium |
| FR8074A FR1431977A (fr) | 1964-03-07 | 1965-03-05 | Procédé pour séparer des lactames d'un milieu d'acide sulfurique fort |
| DE1965ST023466 DE1620468A1 (de) | 1964-03-07 | 1965-03-05 | Ausscheidung von Lactamen aus einem stark schwefelsaurem Medium |
| BE660737D BE660737A (US06544258-20030408-M00015.png) | 1964-03-07 | 1965-03-05 | |
| ES0310196A ES310196A1 (es) | 1964-03-07 | 1965-03-06 | Un procedimiento para separar una lactama de un medio de acido sulfurico concentrado. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL646402370A NL144600B (nl) | 1964-03-07 | 1964-03-07 | Afscheiding van lactamen uit een sterk zwavelzuur milieu. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NL6402370A true NL6402370A (US06544258-20030408-M00015.png) | 1965-09-08 |
| NL144600B NL144600B (nl) | 1975-01-15 |
Family
ID=19789510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL646402370A NL144600B (nl) | 1964-03-07 | 1964-03-07 | Afscheiding van lactamen uit een sterk zwavelzuur milieu. |
Country Status (8)
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7008837A (US06544258-20030408-M00015.png) * | 1970-06-17 | 1971-12-21 | ||
| US3852273A (en) * | 1971-05-07 | 1974-12-03 | Stamicarbon | Process for preparing and recovering lactams |
| NL164028C (nl) * | 1971-05-07 | 1980-11-17 | Stamicarbon | Werkwijze voor de afscheiding van lactamen. |
| GB1379180A (en) * | 1971-05-07 | 1975-01-02 | Stamicarbon | Separation of lactams from an acid medium |
| US3694433A (en) * | 1971-08-27 | 1972-09-26 | Allied Chem | Method for the recovery of caprolactam |
| BE792559A (fr) * | 1971-12-11 | 1973-06-12 | Stamicarbon | Procede pour la separation de lactames |
| NL7210626A (US06544258-20030408-M00015.png) * | 1972-08-03 | 1974-02-05 | ||
| US3859278A (en) * | 1972-12-11 | 1975-01-07 | Stamicarbon | Process for separating lactams |
| NL7308100A (US06544258-20030408-M00015.png) * | 1973-06-12 | 1974-12-16 | ||
| NL7308834A (US06544258-20030408-M00015.png) * | 1973-06-26 | 1974-12-30 | ||
| NL7700882A (nl) * | 1977-01-28 | 1978-08-01 | Stamicarbon | Werkwijze voor het winnen van epsilon-caprolac- tam uit een epsilon-caprolactamzwavelzuurreac- tiemengsel. |
| CN114805207A (zh) * | 2022-04-14 | 2022-07-29 | 山东华鲁恒升化工股份有限公司 | 一种利用膜分离技术除去重排液中硫酸的方法 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2605261A (en) * | 1952-07-29 | method foe | ||
| US2249177A (en) * | 1941-07-15 | Rearrangement reaction of oxevies | ||
| US2313026A (en) * | 1939-02-13 | 1943-03-02 | Schlack Paul | Process for the manufacture of lactams from oximes of cyclic ketones |
-
1964
- 1964-03-07 NL NL646402370A patent/NL144600B/xx unknown
-
1965
- 1965-03-03 US US436912A patent/US3336298A/en not_active Expired - Lifetime
- 1965-03-04 CH CH298865A patent/CH446343A/de unknown
- 1965-03-04 GB GB9308/65A patent/GB1080266A/en not_active Expired
- 1965-03-05 BE BE660737D patent/BE660737A/xx unknown
- 1965-03-05 FR FR8074A patent/FR1431977A/fr not_active Expired
- 1965-03-05 DE DE1965ST023466 patent/DE1620468A1/de active Pending
- 1965-03-06 ES ES0310196A patent/ES310196A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE660737A (US06544258-20030408-M00015.png) | 1965-09-06 |
| FR1431977A (fr) | 1966-03-18 |
| GB1080266A (en) | 1967-08-23 |
| DE1620468A1 (de) | 1970-04-30 |
| US3336298A (en) | 1967-08-15 |
| NL144600B (nl) | 1975-01-15 |
| CH446343A (de) | 1967-11-15 |
| ES310196A1 (es) | 1965-10-16 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| VJC | Lapsed due to non-payment of the due maintenance fee for the patent or patent application | ||
| NL80 | Abbreviated name of patent owner mentioned of already nullified patent |
Owner name: STAMICARBON |