DK141164B - Fremgangsmåde til separation af 1-chlor-2,2,2-trifluorethyl-difluormethyl-ether fra sin blanding med 1-chlor-2,2,2-trifluorethyl-difluorchlormethyl-ether ved destillation. - Google Patents

Fremgangsmåde til separation af 1-chlor-2,2,2-trifluorethyl-difluormethyl-ether fra sin blanding med 1-chlor-2,2,2-trifluorethyl-difluorchlormethyl-ether ved destillation. Download PDF

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Publication number
DK141164B
DK141164B DK367972AA DK367972A DK141164B DK 141164 B DK141164 B DK 141164B DK 367972A A DK367972A A DK 367972AA DK 367972 A DK367972 A DK 367972A DK 141164 B DK141164 B DK 141164B
Authority
DK
Denmark
Prior art keywords
chloro
ether
trifluoroethyl
difluoromethyl
mixture
Prior art date
Application number
DK367972AA
Other languages
Danish (da)
English (en)
Other versions
DK141164C (de
Inventor
Louise Speers Croix
Original Assignee
Airco Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Airco Inc filed Critical Airco Inc
Publication of DK141164B publication Critical patent/DK141164B/da
Application granted granted Critical
Publication of DK141164C publication Critical patent/DK141164C/da

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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

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  • 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)
DK367972AA 1971-08-02 1972-07-25 Fremgangsmåde til separation af 1-chlor-2,2,2-trifluorethyl-difluormethyl-ether fra sin blanding med 1-chlor-2,2,2-trifluorethyl-difluorchlormethyl-ether ved destillation. DK141164B (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US16839971A 1971-08-02 1971-08-02
US16839971 1971-08-02

Publications (2)

Publication Number Publication Date
DK141164B true DK141164B (da) 1980-01-28
DK141164C DK141164C (de) 1980-07-28

Family

ID=22611343

Family Applications (1)

Application Number Title Priority Date Filing Date
DK367972AA DK141164B (da) 1971-08-02 1972-07-25 Fremgangsmåde til separation af 1-chlor-2,2,2-trifluorethyl-difluormethyl-ether fra sin blanding med 1-chlor-2,2,2-trifluorethyl-difluorchlormethyl-ether ved destillation.

Country Status (19)

Country Link
US (1) US3720587A (de)
JP (1) JPS528808B2 (de)
AR (1) AR192960A1 (de)
AU (1) AU442153B2 (de)
BE (1) BE786675A (de)
BR (1) BR7204982D0 (de)
CA (1) CA976500A (de)
CH (1) CH549543A (de)
DE (1) DE2234309A1 (de)
DK (1) DK141164B (de)
ES (1) ES405150A1 (de)
FR (1) FR2148036B1 (de)
GB (1) GB1352484A (de)
IL (1) IL39835A (de)
IT (1) IT1048259B (de)
NL (1) NL146141B (de)
NO (1) NO135901C (de)
SE (1) SE392887B (de)
ZA (1) ZA724947B (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
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
ES2422757T3 (es) * 2004-05-12 2013-09-13 Baxter Int Uso terapéutico de microesferas de ácido nucleico
US7605291B2 (en) * 2006-04-27 2009-10-20 Adalberto Maldonado Method for the preparation of volatile Anesthetics
AU2007299738B2 (en) * 2006-09-20 2013-03-28 The Board Of Regents Of The University Of Texas System Methods for delivering volatile anesthetics for regional anesthesia and/or pain relief
AU2009206390B2 (en) 2008-01-22 2014-10-30 The Board Of Regents Of The University Of Texas System Volatile anesthetic compositions comprising extractive solvents for regional anesthesia and/or pain relief
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)

* Cited by examiner, † Cited by third party
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 (de) * 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

Also Published As

Publication number Publication date
DE2234309A1 (de) 1973-02-15
NL146141B (nl) 1975-06-16
JPS4828408A (de) 1973-04-14
CH549543A (fr) 1974-05-31
JPS528808B2 (de) 1977-03-11
AR192960A1 (es) 1973-03-21
BE786675A (fr) 1973-01-25
ZA724947B (en) 1973-04-25
GB1352484A (en) 1974-05-08
IL39835A0 (en) 1972-09-28
AU442153B2 (en) 1973-11-15
DE2234309C3 (de) 1974-11-14
FR2148036B1 (de) 1974-07-26
BR7204982D0 (pt) 1973-05-15
DE2234309B2 (de) 1974-04-11
IL39835A (en) 1974-12-31
AU4423672A (en) 1973-11-15
NO135901B (de) 1977-03-14
CA976500A (en) 1975-10-21
IT1048259B (it) 1980-11-20
US3720587A (en) 1973-03-13
SE392887B (sv) 1977-04-25
NO135901C (de) 1977-06-22
NL7210156A (de) 1973-02-06
DK141164C (de) 1980-07-28
FR2148036A1 (de) 1973-03-11
ES405150A1 (es) 1976-02-16

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