IT1173261B - Procedimento di purificazione del caprolattame - Google Patents
Procedimento di purificazione del caprolattameInfo
- Publication number
- IT1173261B IT1173261B IT19497/84A IT1949784A IT1173261B IT 1173261 B IT1173261 B IT 1173261B IT 19497/84 A IT19497/84 A IT 19497/84A IT 1949784 A IT1949784 A IT 1949784A IT 1173261 B IT1173261 B IT 1173261B
- Authority
- IT
- Italy
- Prior art keywords
- caprolattame
- purification process
- purification
- caprolattame purification
- Prior art date
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)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT19497/84A IT1173261B (it) | 1984-02-08 | 1984-02-08 | Procedimento di purificazione del caprolattame |
EP85101069A EP0152843A3 (en) | 1984-02-08 | 1985-02-01 | A method of purifying caprolactam |
JP60020172A JPS60199875A (ja) | 1984-02-08 | 1985-02-06 | カプロラクタムの精製方法 |
AU38537/85A AU3853785A (en) | 1984-02-08 | 1985-02-07 | A method of purifying caprolactam |
ES540203A ES540203A0 (es) | 1984-02-08 | 1985-02-07 | Un procedimiento de purificacion de la caprolactama obtenidapor transposicion de beckmann o bien por nitrosacion de los compuestos ciclohexilicos |
BR8500561A BR8500561A (pt) | 1984-02-08 | 1985-02-07 | Metodo para a purificacao de caprolactama e caprolactama |
US06/699,520 US4606858A (en) | 1984-02-08 | 1985-02-07 | Method of purifying caprolactam |
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 (2)
Publication Number | Publication Date |
---|---|
IT8419497A0 IT8419497A0 (it) | 1984-02-08 |
IT1173261B true IT1173261B (it) | 1987-06-18 |
Family
ID=11158527
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT19497/84A IT1173261B (it) | 1984-02-08 | 1984-02-08 | Procedimento di purificazione del caprolattame |
Country Status (7)
Country | Link |
---|---|
US (1) | US4606858A (it) |
EP (1) | EP0152843A3 (it) |
JP (1) | JPS60199875A (it) |
AU (1) | AU3853785A (it) |
BR (1) | BR8500561A (it) |
ES (1) | ES540203A0 (it) |
IT (1) | IT1173261B (it) |
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 AU AU38537/85A patent/AU3853785A/en not_active Abandoned
- 1985-02-07 US US06/699,520 patent/US4606858A/en not_active Expired - Fee Related
- 1985-02-07 BR BR8500561A patent/BR8500561A/pt unknown
- 1985-02-07 ES ES540203A patent/ES540203A0/es active Granted
Also Published As
Publication number | Publication date |
---|---|
US4606858A (en) | 1986-08-19 |
JPS60199875A (ja) | 1985-10-09 |
ES8602680A1 (es) | 1985-12-01 |
BR8500561A (pt) | 1985-09-24 |
ES540203A0 (es) | 1985-12-01 |
EP0152843A2 (en) | 1985-08-28 |
IT8419497A0 (it) | 1984-02-08 |
AU3853785A (en) | 1985-08-15 |
EP0152843A3 (en) | 1987-05-27 |
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