IN153035B - - Google Patents
Info
- Publication number
- IN153035B IN153035B IN513/CAL/80A IN513CA1980A IN153035B IN 153035 B IN153035 B IN 153035B IN 513CA1980 A IN513CA1980 A IN 513CA1980A IN 153035 B IN153035 B IN 153035B
- Authority
- IN
- India
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)
- Other In-Based Heterocyclic Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Pyrrole Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT22355/79A IT1112840B (it) | 1979-05-04 | 1979-05-04 | Metodo per la purificazione del caprolattame grezzo contenente ammidi e daltri sottoprodotti |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IN153035B true IN153035B (fr) | 1984-05-19 |
Family
ID=11195124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN513/CAL/80A IN153035B (fr) | 1979-05-04 | 1980-05-03 |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US4293494A (fr) |
| JP (1) | JPS55149249A (fr) |
| AU (1) | AU538254B2 (fr) |
| BE (1) | BE883110A (fr) |
| BR (1) | BR8002641A (fr) |
| CA (1) | CA1132546A (fr) |
| DE (1) | DE3016335A1 (fr) |
| ES (1) | ES491101A0 (fr) |
| FR (1) | FR2455584A1 (fr) |
| GB (1) | GB2050354A (fr) |
| IN (1) | IN153035B (fr) |
| IT (1) | IT1112840B (fr) |
| MX (1) | MX153697A (fr) |
| NL (1) | NL8002554A (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10124579A1 (de) * | 2001-05-21 | 2002-12-05 | Bayer Ag | Verfahren und Vorrichtung zur Extraktion von Polyamid |
| US7022844B2 (en) | 2002-09-21 | 2006-04-04 | Honeywell International Inc. | Amide-based compounds, production, recovery, purification and uses thereof |
| CN107556240B (zh) * | 2016-08-24 | 2020-10-30 | 沧州旭阳化工有限公司 | 一种己内酰胺精制方法及精制己内酰胺的系统 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2758991A (en) * | 1956-08-14 | Hvvevvtofry | ||
| FR1053885A (fr) * | 1950-07-26 | 1954-02-05 | Inventa Ag | Procédé de préparation en continu de lactames purs par extraction |
| US3359260A (en) * | 1964-12-30 | 1967-12-19 | Union Carbide Corp | Purification of epsilon-caprolactams |
| DE1670861A1 (de) * | 1967-04-27 | 1971-03-11 | Bayer Ag | Verfahren zur Reinigung von Lactamen |
| NL7700234A (nl) * | 1977-01-12 | 1978-07-14 | Stamicarbon | Werkwijze voor het winnen van epsilon-caprolac- tam uit epsilon-caprolactam- bevattend destil- latieresidu. |
-
1979
- 1979-05-04 IT IT22355/79A patent/IT1112840B/it active
-
1980
- 1980-04-21 GB GB8013028A patent/GB2050354A/en not_active Withdrawn
- 1980-04-24 US US06/143,418 patent/US4293494A/en not_active Expired - Lifetime
- 1980-04-28 DE DE19803016335 patent/DE3016335A1/de not_active Withdrawn
- 1980-04-29 BR BR8002641A patent/BR8002641A/pt unknown
- 1980-04-30 MX MX182177A patent/MX153697A/es unknown
- 1980-05-02 JP JP5937880A patent/JPS55149249A/ja active Pending
- 1980-05-02 NL NL8002554A patent/NL8002554A/nl not_active Application Discontinuation
- 1980-05-02 CA CA351,180A patent/CA1132546A/fr not_active Expired
- 1980-05-02 AU AU58037/80A patent/AU538254B2/en not_active Ceased
- 1980-05-02 ES ES491101A patent/ES491101A0/es active Granted
- 1980-05-03 IN IN513/CAL/80A patent/IN153035B/en unknown
- 1980-05-05 FR FR8009987A patent/FR2455584A1/fr active Pending
- 1980-05-05 BE BE2/466A patent/BE883110A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| JPS55149249A (en) | 1980-11-20 |
| IT7922355A0 (it) | 1979-05-04 |
| DE3016335A1 (de) | 1980-11-13 |
| AU538254B2 (en) | 1984-08-02 |
| AU5803780A (en) | 1980-11-06 |
| ES8104234A1 (es) | 1981-04-01 |
| CA1132546A (fr) | 1982-09-28 |
| BR8002641A (pt) | 1980-12-09 |
| US4293494A (en) | 1981-10-06 |
| ES491101A0 (es) | 1981-04-01 |
| IT1112840B (it) | 1986-01-20 |
| GB2050354A (en) | 1981-01-07 |
| BE883110A (fr) | 1980-11-05 |
| MX153697A (es) | 1986-12-19 |
| NL8002554A (nl) | 1980-11-06 |
| FR2455584A1 (fr) | 1980-11-28 |