ES2077968T3 - Procedimiento para purificar fluoroetanos y clorofluoroetanos. - Google Patents
Procedimiento para purificar fluoroetanos y clorofluoroetanos.Info
- Publication number
- ES2077968T3 ES2077968T3 ES92121298T ES92121298T ES2077968T3 ES 2077968 T3 ES2077968 T3 ES 2077968T3 ES 92121298 T ES92121298 T ES 92121298T ES 92121298 T ES92121298 T ES 92121298T ES 2077968 T3 ES2077968 T3 ES 2077968T3
- Authority
- ES
- Spain
- Prior art keywords
- hcfc
- chlorofluoroethanes
- fluoroethanes
- purify
- procedure
- 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 - Lifetime
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C19/00—Acyclic saturated compounds containing halogen atoms
- C07C19/08—Acyclic saturated compounds containing halogen atoms containing fluorine
-
- 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
- C07C17/395—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to a chemical modification of at least one compound
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
1,1,1-TRIFLUORO-2-FLUOROETANO (HFC 134A), RESPECTIVAMENTE 1,1,1-TRIFLUORO-2. 2-DICLOROETANO (HCFC 123), 1,1,1-TRIFLUORO-2CLORO, 2-FLUOROETANO (HCFC 124) Y PENTAFLUOROETANO (HFC 125), SE PURIFICAN DE IMPUREZAS QUE CONSTAN RESPECTIVAMENTE DE 1,1DIFLUORO-2-CLOROETILENO (HCFC 1122) Y DE DIFLUORODICLOROETILENO (CFC 1112A Y CFC 1112) HACIENDO REACCIONAR EN ESTADO LIQUIDO RESPECTIVAMENTE HFC 134A O HCFC 123, HCFC 124 Y HCF 125 QUE CONTENGAN LAS IMPUREZAS RELATIVAS, CON FLUOR ELEMENTAL, A TEMPERATURAS QUE OSCILAN ENTRE -80 (GRADOS) C Y -40 (GRADOS) C.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI913466A IT1252659B (it) | 1991-12-23 | 1991-12-23 | Procedimento per la depurazione dell'1,1,1-trifluoro-2-fluoroetano e dell'1,1,1-trifluoro-2,2-dicloroetano |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2077968T3 true ES2077968T3 (es) | 1995-12-01 |
Family
ID=11361425
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES92121298T Expired - Lifetime ES2077968T3 (es) | 1991-12-23 | 1992-12-15 | Procedimiento para purificar fluoroetanos y clorofluoroetanos. |
Country Status (10)
Country | Link |
---|---|
US (1) | US5367103A (es) |
EP (1) | EP0548744B1 (es) |
JP (1) | JP3181735B2 (es) |
KR (1) | KR100244058B1 (es) |
BR (1) | BR9205137A (es) |
CZ (1) | CZ282605B6 (es) |
DE (1) | DE69203707T2 (es) |
ES (1) | ES2077968T3 (es) |
IT (1) | IT1252659B (es) |
TW (1) | TW264459B (es) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0754171B1 (en) * | 1994-04-08 | 2001-03-14 | Imperial Chemical Industries Plc | Process for the purification of pentafluoroethane |
DE69623781T2 (de) * | 1995-07-14 | 2003-08-14 | Du Pont | Distillationsverfahren zum Rückgewinnen von HFC-125 und HFC-32 |
FR2749581B1 (fr) * | 1996-06-06 | 1998-08-14 | Atochem Elf Sa | Procede de purification d'hydrofluorocarbures satures |
FR2759078B1 (fr) * | 1997-02-04 | 1999-03-05 | Atochem Elf Sa | Purification du chlorotetrafluoroethane par distillation extractive |
IT1292007B1 (it) | 1997-05-27 | 1999-01-25 | Ausimont Spa | Processo per la preparazione di hcfc-123 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB785974A (en) * | 1944-06-20 | 1957-11-06 | Atomic Energy Authority Uk | Refining of fluorocarbons |
IT1200806B (it) * | 1985-10-21 | 1989-01-27 | Ausimont Spa | Procedimento per la preparazione di idroalofluoroalcani |
US5001287A (en) * | 1989-02-02 | 1991-03-19 | E. I. Du Pont De Nemours And Company | Purification of saturated halocarbons |
US4948479A (en) * | 1989-06-07 | 1990-08-14 | Atochem North America, Inc. | Removal of unsaturated carbon compounds from 1,1-dichloro-1-fluoroethane |
-
1991
- 1991-12-23 IT ITMI913466A patent/IT1252659B/it active IP Right Grant
-
1992
- 1992-12-15 EP EP92121298A patent/EP0548744B1/en not_active Expired - Lifetime
- 1992-12-15 ES ES92121298T patent/ES2077968T3/es not_active Expired - Lifetime
- 1992-12-15 DE DE69203707T patent/DE69203707T2/de not_active Expired - Fee Related
- 1992-12-21 CZ CS923812A patent/CZ282605B6/cs not_active IP Right Cessation
- 1992-12-22 JP JP34272592A patent/JP3181735B2/ja not_active Expired - Fee Related
- 1992-12-22 BR BR9205137A patent/BR9205137A/pt not_active IP Right Cessation
- 1992-12-22 US US07/995,128 patent/US5367103A/en not_active Expired - Lifetime
- 1992-12-22 KR KR1019920025119A patent/KR100244058B1/ko not_active IP Right Cessation
- 1992-12-22 TW TW081110263A patent/TW264459B/zh active
Also Published As
Publication number | Publication date |
---|---|
DE69203707D1 (de) | 1995-08-31 |
CZ381292A3 (en) | 1993-07-14 |
IT1252659B (it) | 1995-06-20 |
DE69203707T2 (de) | 1996-02-22 |
TW264459B (es) | 1995-12-01 |
KR930012656A (ko) | 1993-07-21 |
US5367103A (en) | 1994-11-22 |
ITMI913466A1 (it) | 1993-06-23 |
EP0548744A1 (en) | 1993-06-30 |
JPH06116181A (ja) | 1994-04-26 |
CZ282605B6 (cs) | 1997-08-13 |
EP0548744B1 (en) | 1995-07-26 |
BR9205137A (pt) | 1993-06-29 |
KR100244058B1 (ko) | 2000-02-01 |
JP3181735B2 (ja) | 2001-07-03 |
ITMI913466A0 (it) | 1991-12-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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