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FR2680784B1 - Procede de separation au moins partielle d'un melange de 1,1,1,3,3-pentafluorobutane et de 1,1-dichloro-1-fluorethane. - Google Patents

Procede de separation au moins partielle d'un melange de 1,1,1,3,3-pentafluorobutane et de 1,1-dichloro-1-fluorethane.

Info

Publication number
FR2680784B1
FR2680784B1 FR9200470A FR9200470A FR2680784B1 FR 2680784 B1 FR2680784 B1 FR 2680784B1 FR 9200470 A FR9200470 A FR 9200470A FR 9200470 A FR9200470 A FR 9200470A FR 2680784 B1 FR2680784 B1 FR 2680784B1
Authority
FR
France
Prior art keywords
fluorethane
pentafluorobutane
dichloro
mixture
partial separation
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 - Fee Related
Application number
FR9200470A
Other languages
English (en)
Other versions
FR2680784A1 (fr
Inventor
Bolmer Michael Sheppard
Elsheikh Maher Yousef
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.)
Arkema Inc
Original Assignee
Atochem North America 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 Atochem North America Inc filed Critical Atochem North America Inc
Publication of FR2680784A1 publication Critical patent/FR2680784A1/fr
Application granted granted Critical
Publication of FR2680784B1 publication Critical patent/FR2680784B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00—Preparation of halogenated hydrocarbons
    • C07C17/38—Separation; Purification; Stabilisation; Use of additives

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Extraction Or Liquid Replacement (AREA)
FR9200470A 1991-08-28 1992-01-17 Procede de separation au moins partielle d'un melange de 1,1,1,3,3-pentafluorobutane et de 1,1-dichloro-1-fluorethane. Expired - Fee Related FR2680784B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/751,023 US5099082A (en) 1991-08-28 1991-08-28 Solvent extraction of I-141B from I-365

Publications (2)

Publication Number Publication Date
FR2680784A1 FR2680784A1 (fr) 1993-03-05
FR2680784B1 true FR2680784B1 (fr) 1995-10-06

Family

ID=25020153

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9200470A Expired - Fee Related FR2680784B1 (fr) 1991-08-28 1992-01-17 Procede de separation au moins partielle d'un melange de 1,1,1,3,3-pentafluorobutane et de 1,1-dichloro-1-fluorethane.

Country Status (5)

Country Link
US (1) US5099082A (fr)
JP (1) JPH0597726A (fr)
CA (1) CA2059204A1 (fr)
DE (1) DE4201000A1 (fr)
FR (1) FR2680784B1 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2676066B1 (fr) * 1991-05-02 1993-07-23 Atochem Composition a base de 1,1-dichloro-1-fluoroethane, de 1,1,1,3,3-pentafluorobutane et de methanol, pour le nettoyage et/ou le sechage de surfaces solides.
FR2676067B1 (fr) * 1991-05-02 1993-07-23 Atochem Composition a base de 1,1,1,3,3-pentafluorobutane et de methanol, pour le nettoyage et/ou le sechage de surfaces solides.
US6355113B1 (en) 1991-12-02 2002-03-12 3M Innovative Properties Company Multiple solvent cleaning system
US5208398A (en) * 1992-04-16 1993-05-04 Elf Atochem N.A., Inc. HF extraction of R365 from R141B
FR2694942B1 (fr) * 1992-08-21 1994-10-14 Atochem Elf Sa Composition à base de 1,1,1,3,3-pentafluorobutane et de chlorure de méthylène, pour le nettoyage et/ou le séchage de surfaces solides.
FR2694943B1 (fr) * 1992-08-21 1994-10-14 Atochem Elf Sa Composition à base de 1,1,1,3,3-pentafluorobutane, de chlorure de méthylène et de méthanol, pour le nettoyage et/ou le séchage de surfaces solides.
US5386965A (en) * 1993-06-04 1995-02-07 Ber-Lo Manufacturing Company, Inc. High pressure flow valve with pressure assist valve seal
BE1007699A3 (fr) * 1993-11-04 1995-10-03 Solvay Compositions comprenant du pentafluorobutane et utilisation de ces compositions.
US5744662A (en) * 1996-04-17 1998-04-28 Moallemi; Mohamad Karim Separation of R-12 and R-134a by a liquid-liquid extraction technique
US6518467B2 (en) 2000-12-29 2003-02-11 Honeywell International Inc. Method of making hydrofluorocarbons and hydrochlorofluorocarbons
US6661182B2 (en) * 2002-04-03 2003-12-09 Radionic Industries, Inc. Lamp ballast system having improved power factor and end-of-lamp-life protection circuit

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3624166A (en) * 1968-11-01 1971-11-30 Allied Chem Process for the solvent extraction of haloalkanes
US3840607A (en) * 1971-05-10 1974-10-08 Phillips Petroleum Co Process for separating halogenated hydrocarbons by liquid-liquid extraction
US4031148A (en) * 1973-01-30 1977-06-21 Rhone-Poulenc Industries Method of separating chlorinated aliphatic hydrocarbons from mixtures thereof by liquid-liquid extraction
US3947558A (en) * 1973-08-16 1976-03-30 Dow Chemical (Nederland) B.V. Method of recovering HF from mixtures containing C1 -C3 halocarbon compounds
US4950364A (en) * 1989-05-04 1990-08-21 Pennwalt Corporation Process for the separation of 1,1-dichloro-1-fluoroethane and 1,1,1,3,3-pentafluorobutane

Also Published As

Publication number Publication date
CA2059204A1 (fr) 1993-03-01
DE4201000A1 (de) 1993-03-04
US5099082A (en) 1992-03-24
JPH0597726A (ja) 1993-04-20
FR2680784A1 (fr) 1993-03-05

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Legal Events

Date Code Title Description
ST Notification of lapse