DE69203707T2 - Verfahren zur Reinigung von Fluorethanen und Chlorfluorethanen. - Google Patents
Verfahren zur Reinigung von Fluorethanen und Chlorfluorethanen.Info
- Publication number
- DE69203707T2 DE69203707T2 DE69203707T DE69203707T DE69203707T2 DE 69203707 T2 DE69203707 T2 DE 69203707T2 DE 69203707 T DE69203707 T DE 69203707T DE 69203707 T DE69203707 T DE 69203707T DE 69203707 T2 DE69203707 T2 DE 69203707T2
- Authority
- DE
- Germany
- Prior art keywords
- purification
- impurities
- hereinafter referred
- isomers
- mixture
- 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
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)
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 (2)
| Publication Number | Publication Date |
|---|---|
| DE69203707D1 DE69203707D1 (de) | 1995-08-31 |
| DE69203707T2 true DE69203707T2 (de) | 1996-02-22 |
Family
ID=11361425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69203707T Expired - Fee Related DE69203707T2 (de) | 1991-12-23 | 1992-12-15 | Verfahren zur Reinigung von Fluorethanen und Chlorfluorethanen. |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US5367103A (enExample) |
| EP (1) | EP0548744B1 (enExample) |
| JP (1) | JP3181735B2 (enExample) |
| KR (1) | KR100244058B1 (enExample) |
| BR (1) | BR9205137A (enExample) |
| CZ (1) | CZ282605B6 (enExample) |
| DE (1) | DE69203707T2 (enExample) |
| ES (1) | ES2077968T3 (enExample) |
| IT (1) | IT1252659B (enExample) |
| TW (1) | TW264459B (enExample) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1995027689A1 (en) * | 1994-04-08 | 1995-10-19 | Imperial Chemical Industries Plc | Process for the purification of pentafluoroethane |
| CN1084720C (zh) * | 1995-07-14 | 2002-05-15 | 纳幕尔杜邦公司 | 从hfc-125中去除cfc-115和氢氟酸的蒸馏方法 |
| 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 DE DE69203707T patent/DE69203707T2/de not_active Expired - Fee Related
- 1992-12-15 ES ES92121298T patent/ES2077968T3/es not_active Expired - Lifetime
- 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 TW TW081110263A patent/TW264459B/zh active
- 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 Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| EP0548744B1 (en) | 1995-07-26 |
| CZ381292A3 (en) | 1993-07-14 |
| ITMI913466A0 (it) | 1991-12-23 |
| US5367103A (en) | 1994-11-22 |
| DE69203707D1 (de) | 1995-08-31 |
| ES2077968T3 (es) | 1995-12-01 |
| KR100244058B1 (ko) | 2000-02-01 |
| TW264459B (enExample) | 1995-12-01 |
| ITMI913466A1 (it) | 1993-06-23 |
| IT1252659B (it) | 1995-06-20 |
| EP0548744A1 (en) | 1993-06-30 |
| BR9205137A (pt) | 1993-06-29 |
| JP3181735B2 (ja) | 2001-07-03 |
| JPH06116181A (ja) | 1994-04-26 |
| KR930012656A (ko) | 1993-07-21 |
| CZ282605B6 (cs) | 1997-08-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |