BE774498A - Procede de preparation de monofluoro-dichloromethane et de difluoro-monochloromethane - Google Patents
Procede de preparation de monofluoro-dichloromethane et de difluoro-monochloromethaneInfo
- Publication number
- BE774498A BE774498A BE774498A BE774498A BE774498A BE 774498 A BE774498 A BE 774498A BE 774498 A BE774498 A BE 774498A BE 774498 A BE774498 A BE 774498A BE 774498 A BE774498 A BE 774498A
- Authority
- BE
- Belgium
- Prior art keywords
- monochloromethane
- monofluoro
- difluoro
- dichloromethane
- preparing
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/24—Chromium, molybdenum or tungsten
- B01J23/26—Chromium
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/37—Preparation of halogenated hydrocarbons by disproportionation of halogenated hydrocarbons
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19702052567 DE2052567A1 (en) | 1970-10-27 | 1970-10-27 | Difluorochloromethane prepn - by monofluorodichloromethane disproportionation in presence of chromium oxyfluoride |
| DE19702052566 DE2052566A1 (de) | 1970-10-27 | 1970-10-27 | Verfahren zur Herstellung von Mono fluordichlormethan und Difluormonochlor methan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE774498A true BE774498A (fr) | 1972-04-26 |
Family
ID=25759969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE774498A BE774498A (fr) | 1970-10-27 | 1971-10-26 | Procede de preparation de monofluoro-dichloromethane et de difluoro-monochloromethane |
Country Status (5)
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2501064A1 (fr) * | 1980-12-29 | 1982-09-10 | Ugine Kuhlmann | Catalyseurs de fluoruration en phase gazeuse des hydrocarbures chlores et chlorofluores aliphatiques, a base d'oxyde de chrome depose sur charbon actif, et procedes de fluoruration utilisant ces catalyseurs |
| FR2501063A1 (fr) * | 1980-12-29 | 1982-09-10 | Ugine Kuhlmann | Catalyseurs de fluoruration en phase gazeuse des derives chlores aliphatiques, a base de charbon actif impregne de sulfate de chrome, et procedes de fluoruration utilisant ces catalyseurs |
| EP0203807B1 (en) | 1985-05-28 | 1988-09-28 | E.I. Du Pont De Nemours And Company | Catalytic fluoroolefin transhalogenations |
| JPS6226239A (ja) * | 1985-05-28 | 1987-02-04 | イ−・アイ・デユポン・デ・ニモアス・アンド・カンパニ− | フルオロオレフインの接触ハロゲン交換法 |
| CN103467239B (zh) * | 2013-09-13 | 2016-03-30 | 常熟三爱富中昊化工新材料有限公司 | 一种三氟甲烷裂解制备二氟一氯甲烷的工艺方法 |
-
1971
- 1971-10-22 NL NL7114576A patent/NL7114576A/xx unknown
- 1971-10-25 GB GB1888774A patent/GB1369870A/en not_active Expired
- 1971-10-26 BE BE774498A patent/BE774498A/xx unknown
- 1971-10-26 CA CA126,080A patent/CA958723A/en not_active Expired
- 1971-10-27 FR FR7138607A patent/FR2111865B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL7114576A (US07714131-20100511-C00038.png) | 1972-05-02 |
| CA958723A (en) | 1974-12-03 |
| GB1369870A (en) | 1974-10-09 |
| FR2111865A1 (US07714131-20100511-C00038.png) | 1972-06-09 |
| FR2111865B1 (US07714131-20100511-C00038.png) | 1976-03-26 |
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