BE786675A - Separation d'oxydes d'alkyle halogenes par distillation azeotropique. - Google Patents

Separation d'oxydes d'alkyle halogenes par distillation azeotropique.

Info

Publication number
BE786675A
BE786675A BE786675DA BE786675A BE 786675 A BE786675 A BE 786675A BE 786675D A BE786675D A BE 786675DA BE 786675 A BE786675 A BE 786675A
Authority
BE
Belgium
Prior art keywords
halogenous
oxides
alkyl
separation
azeotropic distillation
Prior art date
Application number
Other languages
English (en)
French (fr)
Inventor
L S 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.)
Publication date
Publication of BE786675A publication Critical patent/BE786675A/xx

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)
BE786675D 1971-08-02 Separation d'oxydes d'alkyle halogenes par distillation azeotropique. BE786675A (fr)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BE786675A true BE786675A (fr) 1973-01-25

Family

ID=22611343

Family Applications (1)

Application Number Title Priority Date Filing Date
BE786675D BE786675A (fr) 1971-08-02 Separation d'oxydes d'alkyle halogenes par distillation azeotropique.

Country Status (19)

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

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 (xx) * 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 (xx) 1973-04-14
CH549543A (fr) 1974-05-31
JPS528808B2 (xx) 1977-03-11
AR192960A1 (es) 1973-03-21
ZA724947B (en) 1973-04-25
GB1352484A (en) 1974-05-08
IL39835A0 (en) 1972-09-28
AU442153B2 (en) 1973-11-15
DE2234309C3 (xx) 1974-11-14
FR2148036B1 (xx) 1974-07-26
BR7204982D0 (pt) 1973-05-15
DE2234309B2 (xx) 1974-04-11
IL39835A (en) 1974-12-31
AU4423672A (en) 1973-11-15
NO135901B (xx) 1977-03-14
CA976500A (en) 1975-10-21
IT1048259B (it) 1980-11-20
US3720587A (en) 1973-03-13
SE392887B (sv) 1977-04-25
NO135901C (xx) 1977-06-22
NL7210156A (xx) 1973-02-06
DK141164C (xx) 1980-07-28
FR2148036A1 (xx) 1973-03-11
DK141164B (da) 1980-01-28
ES405150A1 (es) 1976-02-16

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: BOC INC.

Effective date: 19880731