BR8500561A - Metodo para a purificacao de caprolactama e caprolactama - Google Patents
Metodo para a purificacao de caprolactama e caprolactamaInfo
- Publication number
- BR8500561A BR8500561A BR8500561A BR8500561A BR8500561A BR 8500561 A BR8500561 A BR 8500561A BR 8500561 A BR8500561 A BR 8500561A BR 8500561 A BR8500561 A BR 8500561A BR 8500561 A BR8500561 A BR 8500561A
- Authority
- BR
- Brazil
- Prior art keywords
- caprolactama
- purification
- Prior art date
Links
- 238000000034 method Methods 0.000 title 1
- 238000000746 purification Methods 0.000 title 1
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT19497/84A IT1173261B (it) | 1984-02-08 | 1984-02-08 | Procedimento di purificazione del caprolattame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR8500561A true BR8500561A (pt) | 1985-09-24 |
Family
ID=11158527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR8500561A BR8500561A (pt) | 1984-02-08 | 1985-02-07 | Metodo para a purificacao de caprolactama e caprolactama |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4606858A (pt) |
| EP (1) | EP0152843A3 (pt) |
| JP (1) | JPS60199875A (pt) |
| AU (1) | AU3853785A (pt) |
| BR (1) | BR8500561A (pt) |
| ES (1) | ES540203A0 (pt) |
| IT (1) | IT1173261B (pt) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1222419B (it) * | 1987-07-31 | 1990-09-05 | Friuli Chim Spa | Procedimento di purificazione del caprolattame |
| US5990306A (en) * | 1997-09-03 | 1999-11-23 | Alliedsignal Inc. | Process for the purification of caprolactam obtained from the depolymerization of polyamide-containing carpet |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2221369A (en) * | 1940-11-12 | Process foe producing lactams | ||
| US3145198A (en) * | 1964-08-18 | piija | ||
| FR1261891A (fr) * | 1959-10-09 | 1961-05-26 | Stamicarbon | Procédé pour séparer un lactame d'un mélange réactionnel acide |
| BE790692A (fr) * | 1971-10-29 | 1973-04-27 | Stamicarbon | Procede d'obtention de lactames purs |
| DE2550934C3 (de) * | 1975-11-13 | 1980-06-12 | Bayer Ag, 5090 Leverkusen | Reinigung von Caprolactam |
| DE2724361A1 (de) * | 1977-05-28 | 1978-11-30 | Bayer Ag | Reinigung von caprolactam |
| DE2926279A1 (de) * | 1979-06-29 | 1981-01-08 | Basf Ag | Verfahren zur reinigung von caprolactam |
-
1984
- 1984-02-08 IT IT19497/84A patent/IT1173261B/it active
-
1985
- 1985-02-01 EP EP85101069A patent/EP0152843A3/en not_active Withdrawn
- 1985-02-06 JP JP60020172A patent/JPS60199875A/ja active Pending
- 1985-02-07 BR BR8500561A patent/BR8500561A/pt unknown
- 1985-02-07 AU AU38537/85A patent/AU3853785A/en not_active Abandoned
- 1985-02-07 ES ES540203A patent/ES540203A0/es active Granted
- 1985-02-07 US US06/699,520 patent/US4606858A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US4606858A (en) | 1986-08-19 |
| ES8602680A1 (es) | 1985-12-01 |
| JPS60199875A (ja) | 1985-10-09 |
| EP0152843A3 (en) | 1987-05-27 |
| IT8419497A0 (it) | 1984-02-08 |
| ES540203A0 (es) | 1985-12-01 |
| EP0152843A2 (en) | 1985-08-28 |
| AU3853785A (en) | 1985-08-15 |
| IT1173261B (it) | 1987-06-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| PT80237B (pt) | Processo para a metilacao selectiva de derivados de eritromicina a | |
| KR870700635A (ko) | 인터페론의 정제방법 | |
| PL261749A1 (en) | Method of obtaining acrylamides | |
| PT81299B (pt) | Processo para a preparacao de alquilsulfonamidofenilalquilaminas | |
| KR870700614A (ko) | -1-아릴-2-아실아미도-3-플루오로-1-프로판올의 제조방법 | |
| DE3566271D1 (de) | Slag disposal method | |
| KR890701577A (ko) | 시토칼라신 정제법 및 조성물 | |
| BR8506312A (pt) | Processo para a preparacao de n-formil-alfa-aspartil fenilalanina | |
| PT82383B (pt) | Processo para a preparacao de epipodofilotoxina e compostos afins | |
| PT80919B (pt) | Processo para a preparacao de 3-arilcarbonil e 3-cicloalquilcarbonil-1-minoalquil_1h-indois | |
| PT82245B (pt) | Processo para a preparacao de 2-amino-6-cloropurina | |
| MX165044B (es) | Metodo de desprendimiento fotolitografico | |
| SG88291G (en) | Method for purification of dyes | |
| KR900009520A (ko) | 비스페놀의 연속 정제 방법 | |
| DK443586A (da) | Vandrensningsproces | |
| FI882867A0 (fi) | Menetelmä metallipitoisten liuosten puhdistamiseksi | |
| ES544541A0 (es) | Procedimiento para la reelaboracion de catalizadores de fluoracion | |
| ES537195A0 (es) | Metodo de purificar fluocarbonos | |
| PT80336B (pt) | Processo para a preparacao de derivados de iminotiazolidina | |
| BR8606154A (pt) | Processo para a preparacao de compostos glicidilicos e emprego | |
| BR8500881A (pt) | Processo para a preparacao de compostos e aplicacao | |
| BR8504625A (pt) | Complexo e processo para a preparacao do mesmo | |
| BR8500561A (pt) | Metodo para a purificacao de caprolactama e caprolactama | |
| KR870700632A (ko) | 네틸마이신의 제조방법 | |
| KR860700045A (ko) | L-카르니틴의 제조방법 |