BR7204982D0 - Processo para separar eter 1-cloro-2,2,2,-tri-fluoro-etilico di-fluoro-metilico de sua mistura com eter 1-cloro-2,2,2-tri-fluoro etilico di-fluoro-cloro metilico e processo para preparar um azeotropo de eter 1-cloro-2,2,2,-trifluoro-etilico di-fluoro-metilico - Google Patents
Processo para separar eter 1-cloro-2,2,2,-tri-fluoro-etilico di-fluoro-metilico de sua mistura com eter 1-cloro-2,2,2-tri-fluoro etilico di-fluoro-cloro metilico e processo para preparar um azeotropo de eter 1-cloro-2,2,2,-trifluoro-etilico di-fluoro-metilicoInfo
- Publication number
- BR7204982D0 BR7204982D0 BR4982/72A BR498272A BR7204982D0 BR 7204982 D0 BR7204982 D0 BR 7204982D0 BR 4982/72 A BR4982/72 A BR 4982/72A BR 498272 A BR498272 A BR 498272A BR 7204982 D0 BR7204982 D0 BR 7204982D0
- Authority
- BR
- Brazil
- Prior art keywords
- fluoro
- eter
- chlorine
- methilic
- ethylic
- Prior art date
Links
- SWUWMVIPFQAITJ-UHFFFAOYSA-N chlorine difluoride-35cl Chemical compound FClF SWUWMVIPFQAITJ-UHFFFAOYSA-N 0.000 title 1
- 239000000203 mixture Substances 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
- C07C41/01—Preparation of ethers
- C07C41/34—Separation; Purification; Stabilisation; Use of additives
- C07C41/40—Separation; Purification; Stabilisation; Use of additives by change of physical state, e.g. by crystallisation
- C07C41/42—Separation; Purification; Stabilisation; Use of additives by change of physical state, e.g. by crystallisation by distillation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US16839971A | 1971-08-02 | 1971-08-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR7204982D0 true BR7204982D0 (pt) | 1973-05-15 |
Family
ID=22611343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR4982/72A BR7204982D0 (pt) | 1971-08-02 | 1972-07-26 | Processo para separar eter 1-cloro-2,2,2,-tri-fluoro-etilico di-fluoro-metilico de sua mistura com eter 1-cloro-2,2,2-tri-fluoro etilico di-fluoro-cloro metilico e processo para preparar um azeotropo de eter 1-cloro-2,2,2,-trifluoro-etilico di-fluoro-metilico |
Country Status (19)
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2610538B2 (ja) * | 1990-04-13 | 1997-05-14 | 日本メクトロン株式会社 | パーフルオロ（プロピルビニルエーテル）の精製法 |
| US5230778A (en) * | 1992-05-01 | 1993-07-27 | Gavlin Associates | Purification of isoflurane by extractive distillation |
| DE602005009954D1 (de) * | 2004-05-12 | 2008-11-06 | Baxter Int | Nukleinsäure-mikrokügelchen, ihre herstellung und abgabe |
| US7605291B2 (en) * | 2006-04-27 | 2009-10-20 | Adalberto Maldonado | Method for the preparation of volatile Anesthetics |
| JP2010504359A (ja) * | 2006-09-20 | 2010-02-12 | ザ ボード オブ リージェンツ オブ ザ ユニバーシティー オブ テキサス システム | 局部麻酔および／または疼痛緩和のための、揮発性麻酔剤を送達するための方法 |
| PL2244737T3 (pl) | 2008-01-22 | 2020-05-18 | The Board Of Regents Of The University Of Texas System | Kompozycje lotnego środka znieczulającego zawierające rozpuszczalniki ekstrakcyjne do znieczulania miejscowego i / albo zwalczania bólu |
| WO2013005178A1 (en) * | 2011-07-05 | 2013-01-10 | Piramal Healthcare Limited | A continuous process for purification of 1-chloro-2,2,2-trifluoroethyl difluoromethyl ether (isoflurane) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2442589A (en) * | 1946-03-19 | 1948-06-01 | Atomic Energy Commission | Purification of perfluoroheptane by azeotropic distillation with methyl ethyl ketone |
| NL131714C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1963-02-06 | |||
| US3406099A (en) * | 1965-09-16 | 1968-10-15 | Allied Chem | Distillation of an azeotropic mixture of cf3cocf3 hf and ccl2fccif2 |
| US3501533A (en) * | 1967-09-06 | 1970-03-17 | Allied Chem | Recovery of fluorinated ether |
| US3535388A (en) * | 1969-05-12 | 1970-10-20 | Air Reduction | 1-chloro-2,2,2-trifluoroethyl difluoromethyl ether |
-
0
- BE BE786675D patent/BE786675A/xx not_active IP Right Cessation
-
1971
- 1971-08-02 US US00168399A patent/US3720587A/en not_active Expired - Lifetime
-
1972
- 1972-05-18 DE DE2234309A patent/DE2234309A1/de active Granted
- 1972-07-05 AU AU44236/72A patent/AU442153B2/en not_active Expired
- 1972-07-05 IL IL39835A patent/IL39835A/xx unknown
- 1972-07-07 SE SE7209054A patent/SE392887B/xx unknown
- 1972-07-07 GB GB3201072A patent/GB1352484A/en not_active Expired
- 1972-07-13 CA CA147,082A patent/CA976500A/en not_active Expired
- 1972-07-18 ZA ZA724947A patent/ZA724947B/xx unknown
- 1972-07-21 NL NL727210156A patent/NL146141B/xx not_active IP Right Cessation
- 1972-07-21 IT IT51679/72A patent/IT1048259B/it active Protection Beyond IP Right Term
- 1972-07-25 DK DK367972AA patent/DK141164B/da not_active IP Right Cessation
- 1972-07-25 CH CH1107572A patent/CH549543A/fr not_active IP Right Cessation
- 1972-07-25 NO NO2655/72A patent/NO135901C/no unknown
- 1972-07-26 JP JP47074929A patent/JPS528808B2/ja not_active Expired
- 1972-07-26 FR FR727226910A patent/FR2148036B1/fr not_active Expired
- 1972-07-26 ES ES405150A patent/ES405150A1/es not_active Expired
- 1972-07-26 AR AR243274A patent/AR192960A1/es active
- 1972-07-26 BR BR4982/72A patent/BR7204982D0/pt unknown
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