FR2680785A1 - Procede pour separer au moins partiellement un melange de 1,1,1,3,3-pentafluorobutane et de 1,1-dichloro-1-fluorethane. - Google Patents
Procede pour separer au moins partiellement un melange de 1,1,1,3,3-pentafluorobutane et de 1,1-dichloro-1-fluorethane. Download PDFInfo
- Publication number
- FR2680785A1 FR2680785A1 FR9200471A FR9200471A FR2680785A1 FR 2680785 A1 FR2680785 A1 FR 2680785A1 FR 9200471 A FR9200471 A FR 9200471A FR 9200471 A FR9200471 A FR 9200471A FR 2680785 A1 FR2680785 A1 FR 2680785A1
- Authority
- FR
- France
- Prior art keywords
- mixture
- methanol
- solvent
- liquid
- column
- 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.)
- Granted
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/751,014 US5099081A (en) | 1991-08-28 | 1991-08-28 | Solvent extraction of I-365 from I-141b |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2680785A1 true FR2680785A1 (fr) | 1993-03-05 |
FR2680785B1 FR2680785B1 (US20090192370A1-20090730-C00001.png) | 1994-08-19 |
Family
ID=25020108
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9200471A Granted FR2680785A1 (fr) | 1991-08-28 | 1992-01-17 | Procede pour separer au moins partiellement un melange de 1,1,1,3,3-pentafluorobutane et de 1,1-dichloro-1-fluorethane. |
Country Status (5)
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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. |
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. |
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 |
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. |
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. |
BE1007699A3 (fr) * | 1993-11-04 | 1995-10-03 | Solvay | Compositions comprenant du pentafluorobutane et utilisation de ces compositions. |
US6518467B2 (en) | 2000-12-29 | 2003-02-11 | Honeywell International Inc. | Method of making hydrofluorocarbons and hydrochlorofluorocarbons |
CN1254528C (zh) * | 2001-02-14 | 2006-05-03 | 株式会社金子化学 | 洗涤用溶剂组合物 |
US6365566B1 (en) * | 2001-03-21 | 2002-04-02 | Honeywell International Inc. | Azeotrope-like compositions of pentafluorobutane and water |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
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 |
Family Cites Families (2)
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 |
US3947558A (en) * | 1973-08-16 | 1976-03-30 | Dow Chemical (Nederland) B.V. | Method of recovering HF from mixtures containing C1 -C3 halocarbon compounds |
-
1991
- 1991-08-28 US US07/751,014 patent/US5099081A/en not_active Expired - Fee Related
-
1992
- 1992-01-13 CA CA002059203A patent/CA2059203A1/en not_active Abandoned
- 1992-01-16 DE DE4201030A patent/DE4201030A1/de not_active Withdrawn
- 1992-01-17 FR FR9200471A patent/FR2680785A1/fr active Granted
- 1992-01-20 JP JP4027504A patent/JPH0597727A/ja not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
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 |
---|---|
US5099081A (en) | 1992-03-24 |
JPH0597727A (ja) | 1993-04-20 |
CA2059203A1 (en) | 1993-03-01 |
DE4201030A1 (de) | 1993-03-04 |
FR2680785B1 (US20090192370A1-20090730-C00001.png) | 1994-08-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |