BE685511A - - Google Patents
Info
- Publication number
- BE685511A BE685511A BE685511DA BE685511A BE 685511 A BE685511 A BE 685511A BE 685511D A BE685511D A BE 685511DA BE 685511 A BE685511 A BE 685511A
- Authority
- BE
- Belgium
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
- C07C17/389—Separation; Purification; Stabilisation; Use of additives by adsorption on solids
-
- 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 |
|---|---|---|---|
| FR28291A FR1453510A (fr) | 1965-08-13 | 1965-08-13 | Purification du dichlorotétrafluoroéthane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE685511A true BE685511A (xx) | 1967-02-01 |
Family
ID=8586616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE685511D BE685511A (xx) | 1965-08-13 | 1966-08-16 |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3398202A (xx) |
| AT (1) | AT268220B (xx) |
| BE (1) | BE685511A (xx) |
| CH (1) | CH475925A (xx) |
| DE (1) | DE1593411A1 (xx) |
| ES (1) | ES329953A1 (xx) |
| FR (1) | FR1453510A (xx) |
| GB (1) | GB1139517A (xx) |
| LU (1) | LU51737A1 (xx) |
| NL (1) | NL148584B (xx) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1994022795A1 (en) * | 1993-04-02 | 1994-10-13 | E.I. Du Pont De Nemours And Company | Process for enriching 1,2-dichloro-1,1,2,2-tetrafluoroethane from a mixture of dichlorotetrafluoroethane isomers |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2498591A1 (fr) * | 1980-12-31 | 1982-07-30 | Ugine Kuhlmann | Procede continu de preparation en phase gazeuse du trichlorotrifluorethane, du dichlorotetrafluorethane et du monochloropentafluorethane en proportions controlees |
| GB8415201D0 (en) * | 1984-06-14 | 1984-07-18 | Ici Plc | Chemical process |
| JPH0788326B2 (ja) * | 1987-11-26 | 1995-09-27 | 旭硝子株式会社 | １，１−ジクロロ−１，２，２，２−テトラフルオロエタンの製造方法 |
| US4996379A (en) * | 1988-05-30 | 1991-02-26 | Central Glass Company, Limited | Method of preparing 1,1,1,2-tetrafluoroethane from 1,1-dichloro-1,2,2,2-tetrafluoroethane |
| US4902838A (en) * | 1988-12-28 | 1990-02-20 | E. I. Du Pont De Nemours And Company | Isomerization of saturated fluorohydrocarbons |
| US5017732A (en) * | 1990-02-16 | 1991-05-21 | Dixie Chemical Company | Process for preparing chlorofluorocarbons via an in situ generated activated aluminum trihalide catalyst and products resulting therefrom |
| CA2012792A1 (en) * | 1989-06-14 | 1990-12-14 | Robert C. Zawalski | Process for preparing chlorofluorocarbons via an in situ generated activated aluminum trihalide catalyst and products resulting therefrom |
| US5157171A (en) * | 1989-10-16 | 1992-10-20 | E. I. Du Pont De Nemours And Company | Process for chlorofluoropropanes |
| US5030372A (en) * | 1990-07-31 | 1991-07-09 | E. I. Du Pont De Nemours And Company | Catalytic equilibration to improve the relative yield of selected halocarbons |
| IT1251951B (it) * | 1991-10-18 | 1995-05-27 | Ausimont Spa | Procedimento per purificare 1,1,1-trifluoro-,2,2 dicloroetano dall`isomero 1,1,2-trifluoro-1,2-dicloroetano. |
| EP0648725B1 (de) * | 1993-10-15 | 1998-04-15 | Solvay Fluor und Derivate GmbH | Chlorfluorkohlen(wasser)stoff-Umwandlungsverfahren |
| WO1995011875A1 (en) * | 1993-10-28 | 1995-05-04 | Alliedsignal Inc. | Process for purifying 1,1-dichloro-2,2,2-trifluoroethane and 1-chloro-1,2,2,2-tetrafluoroethane |
| US5831136A (en) * | 1994-09-01 | 1998-11-03 | E. I. Du Pont De Nemours And Company | Process for manufacture of high purity 1,1-dichlorotetrafluoroethane |
| CN110092707B (zh) * | 2018-01-30 | 2020-08-11 | 中昊晨光化工研究院有限公司 | 一种四氟乙烯生产过程中去除氟化氢的方法 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL263002A (xx) * | 1960-03-30 | 1900-01-01 |
-
1965
- 1965-08-13 FR FR28291A patent/FR1453510A/fr not_active Expired
-
1966
- 1966-08-06 ES ES0329953A patent/ES329953A1/es not_active Expired
- 1966-08-08 AT AT755666A patent/AT268220B/de active
- 1966-08-08 US US570686A patent/US3398202A/en not_active Expired - Lifetime
- 1966-08-09 LU LU51737A patent/LU51737A1/xx unknown
- 1966-08-10 DE DE19661593411 patent/DE1593411A1/de active Pending
- 1966-08-12 NL NL666611386A patent/NL148584B/xx not_active IP Right Cessation
- 1966-08-12 GB GB36277/66A patent/GB1139517A/en not_active Expired
- 1966-08-12 CH CH1163866A patent/CH475925A/fr unknown
- 1966-08-16 BE BE685511D patent/BE685511A/xx unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1994022795A1 (en) * | 1993-04-02 | 1994-10-13 | E.I. Du Pont De Nemours And Company | Process for enriching 1,2-dichloro-1,1,2,2-tetrafluoroethane from a mixture of dichlorotetrafluoroethane isomers |
| US5866730A (en) * | 1993-04-02 | 1999-02-02 | E. I. Du Pont De Nemours And Company | Process for enriching 1,2-dichloro-1,1,2,2-tetrafluoroethane from a mixture of dichlorotetrafluoroethane isomers |
Also Published As
| Publication number | Publication date |
|---|---|
| NL148584B (nl) | 1976-02-16 |
| AT268220B (de) | 1969-02-10 |
| CH475925A (fr) | 1969-07-31 |
| ES329953A1 (es) | 1967-06-01 |
| LU51737A1 (xx) | 1966-10-10 |
| US3398202A (en) | 1968-08-20 |
| NL6611386A (xx) | 1967-02-14 |
| GB1139517A (en) | 1969-01-08 |
| DE1593411A1 (de) | 1970-07-16 |
| FR1453510A (fr) | 1966-06-03 |