BR8005421A - Processo para a preparacao de epsilon-caprolactona muito pura - Google Patents
Processo para a preparacao de epsilon-caprolactona muito puraInfo
- Publication number
- BR8005421A BR8005421A BR8005421A BR8005421A BR8005421A BR 8005421 A BR8005421 A BR 8005421A BR 8005421 A BR8005421 A BR 8005421A BR 8005421 A BR8005421 A BR 8005421A BR 8005421 A BR8005421 A BR 8005421A
- Authority
- BR
- Brazil
- Prior art keywords
- caprolactone
- preparing
- pure epsilon
- epsilon
- pure
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D315/00—Heterocyclic compounds containing rings having one oxygen atom as the only ring hetero atom according to more than one of groups C07D303/00 - C07D313/00
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Pyrane Compounds (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19792934659 DE2934659A1 (de) | 1979-08-28 | 1979-08-28 | Verfahren zur herstellung von sehr reinem epsilon -caprolacton |
Publications (1)
Publication Number | Publication Date |
---|---|
BR8005421A true BR8005421A (pt) | 1981-03-10 |
Family
ID=6079445
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR8005421A BR8005421A (pt) | 1979-08-28 | 1980-08-27 | Processo para a preparacao de epsilon-caprolactona muito pura |
Country Status (7)
Country | Link |
---|---|
US (1) | US4313879A (pt) |
EP (1) | EP0026311B2 (pt) |
JP (1) | JPS5634677A (pt) |
AR (1) | AR221779A1 (pt) |
BR (1) | BR8005421A (pt) |
CA (1) | CA1153006A (pt) |
DE (2) | DE2934659A1 (pt) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3708916A1 (de) * | 1987-03-19 | 1988-09-29 | Boehringer Ingelheim Kg | Verfahren zur reinigung resorbierbarer polyester |
JPH0798816B2 (ja) * | 1990-04-25 | 1995-10-25 | 宇部興産株式会社 | ε―カプロラクトンの製造法 |
US6063938A (en) * | 1996-07-29 | 2000-05-16 | Mitsubishi Gas Chemical Company, Inc. | Process for producing ε-caprolactone |
WO1999033819A1 (fr) * | 1997-12-26 | 1999-07-08 | Daicel Chemical Industries, Ltd. | ε-CAPROLACTONE, SON PROCEDE DE PRODUCTION, POLYCARBOLACTONE PRODUITE A PARTIR DE CELLE-CI, ET PROCEDE DE PRODUCTION DE LA POLYCARBOLACTONE |
JPH11322740A (ja) * | 1998-03-19 | 1999-11-24 | Mitsubishi Gas Chem Co Inc | 精製ε−カプロラクトンの製造法 |
GB2548137A (en) * | 2016-03-09 | 2017-09-13 | Perstorp Ab | Production equipment (I) for production of a caprolactone |
GB2548138A (en) * | 2016-03-09 | 2017-09-13 | Perstorp Ab | Production equipment (II) for production of a caprolactone |
US11208394B2 (en) | 2018-09-17 | 2021-12-28 | Regents Of The University Of Minnesota | Chemical process to manufacture branched-caprolactone |
CN114656442B (zh) * | 2022-04-15 | 2023-04-11 | 北京大学 | 一种由5-羟甲基糠酸制备己内酯的方法 |
CN114957191A (zh) * | 2022-06-14 | 2022-08-30 | 湖南东为化工新材料有限公司 | 一种ε-己内酯的制备方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3064008A (en) * | 1962-11-13 | I i i i i i | ||
US2875138A (en) * | 1955-01-17 | 1959-02-24 | Exxon Research Engineering Co | Purification of secondary butyl alcohol |
DE1086686B (de) * | 1955-11-23 | 1960-08-11 | Union Carbide Corp | Verfahren zur Herstellung von ªŠ-Oxycapronsaeurelactonen |
DE1258858C2 (de) * | 1965-09-25 | 1976-08-12 | Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler, 6000 Frankfurt | Verfahren zur herstellung von epsilon-caprolacton und seiner alkylderivate |
DE1568141A1 (de) * | 1966-07-14 | 1970-02-05 | Basf Ag | Verfahren zur Herstellung von epsilon-Hydroxycapronsaeurelactonen |
US3881996A (en) * | 1973-11-21 | 1975-05-06 | Oxirane Corp | Recovery of propylene oxide by plural stage distillation |
JPS606952B2 (ja) * | 1974-10-12 | 1985-02-21 | 住友化学工業株式会社 | ε−カプロラクトンの精製法 |
JPS6016436B2 (ja) * | 1976-09-13 | 1985-04-25 | 三菱化学株式会社 | ε−カプロラクトンの精製法 |
-
1979
- 1979-08-28 DE DE19792934659 patent/DE2934659A1/de not_active Withdrawn
-
1980
- 1980-08-16 DE DE8080104881T patent/DE3062535D1/de not_active Expired
- 1980-08-16 EP EP80104881A patent/EP0026311B2/de not_active Expired
- 1980-08-20 US US06/179,622 patent/US4313879A/en not_active Expired - Lifetime
- 1980-08-26 CA CA000359001A patent/CA1153006A/en not_active Expired
- 1980-08-26 JP JP11653480A patent/JPS5634677A/ja active Pending
- 1980-08-27 BR BR8005421A patent/BR8005421A/pt unknown
- 1980-08-27 AR AR282311A patent/AR221779A1/es active
Also Published As
Publication number | Publication date |
---|---|
US4313879A (en) | 1982-02-02 |
DE3062535D1 (en) | 1983-05-05 |
AR221779A1 (es) | 1981-03-13 |
JPS5634677A (en) | 1981-04-06 |
EP0026311A1 (de) | 1981-04-08 |
CA1153006A (en) | 1983-08-30 |
EP0026311B2 (de) | 1986-04-09 |
EP0026311B1 (de) | 1983-03-30 |
DE2934659A1 (de) | 1981-03-19 |
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