CA976500A - Separation of halogenated alkyl ethers by azeotropic distillation - Google Patents

Separation of halogenated alkyl ethers by azeotropic distillation

Info

Publication number
CA976500A
CA976500A CA147,082A CA147082A CA976500A CA 976500 A CA976500 A CA 976500A CA 147082 A CA147082 A CA 147082A CA 976500 A CA976500 A CA 976500A
Authority
CA
Canada
Prior art keywords
separation
halogenated alkyl
alkyl ethers
azeotropic distillation
azeotropic
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
CA147,082A
Other languages
English (en)
Other versions
CA147082S (en
Inventor
Louise S. Croix
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Airco Inc
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
Application granted granted Critical
Publication of CA976500A publication Critical patent/CA976500A/en
Expired legal-status Critical Current

Links

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)
CA147,082A 1971-08-02 1972-07-13 Separation of halogenated alkyl ethers by azeotropic distillation Expired CA976500A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CA976500A true CA976500A (en) 1975-10-21

Family

ID=22611343

Family Applications (1)

Application Number Title Priority Date Filing Date
CA147,082A Expired CA976500A (en) 1971-08-02 1972-07-13 Separation of halogenated alkyl ethers by azeotropic distillation

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
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
DK141164B (da) 1980-01-28
ES405150A1 (es) 1976-02-16

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