Process for the preparation of hydrofluorocarbons
원문보기
IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0320845
(1994-10-07)
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우선권정보 |
DE-4217398 (1992-05-26) |
발명자
/ 주소 |
- Jansen Rolf-Michael (Kelkheim DEX)
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출원인 / 주소 |
- Hoechst Aktiengesellschaft (DEX 03)
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인용정보 |
피인용 횟수 :
3 인용 특허 :
0 |
초록
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The invention relates to a process for the preparation of saturated hydrofluorocarbons by hydrogenating at least one (hydro)fluorocarbon of the formula (I) Rf-CHnClcBrdIe(I) in which Rf is CaF(2a-b)+1Hb where a is 1-4 and b is 0-4, n is 0-2 c is 0-3 d is 0-3 e is 0-3 c+d+e is 3-n, catalytically with
The invention relates to a process for the preparation of saturated hydrofluorocarbons by hydrogenating at least one (hydro)fluorocarbon of the formula (I) Rf-CHnClcBrdIe(I) in which Rf is CaF(2a-b)+1Hb where a is 1-4 and b is 0-4, n is 0-2 c is 0-3 d is 0-3 e is 0-3 c+d+e is 3-n, catalytically with hydrogen at elevated temperature.
대표청구항
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A process for the hydrogenating dimerisation of at least one fluorocarbon or hydrofluorocarbon selected from the group consisting of 1-chloro-2,2,2-trifluoroethane, 1,1-dichloro-2,2,2-trifluoroethane, 1,1,1-trichloro-2,2,2-trifluoroethaneand 1,1-dichloro-2,2,3,3,3-pentafluoropropane, which comprises
A process for the hydrogenating dimerisation of at least one fluorocarbon or hydrofluorocarbon selected from the group consisting of 1-chloro-2,2,2-trifluoroethane, 1,1-dichloro-2,2,2-trifluoroethane, 1,1,1-trichloro-2,2,2-trifluoroethaneand 1,1-dichloro-2,2,3,3,3-pentafluoropropane, which comprises contacting said compound with hydrogen in the presence of at least one catalyst which contains an element from subgroups I to VIII of the Periodic Table, at an elevated temperature from 50°to 500°C.
이 특허를 인용한 특허 (3)
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Wilmet, Vincent; Janssens, Francine; Seignour, Lionel Casaubon; Krafft, Philippe; Lambert, Alain; Buyle, Olivier, Process for obtaining a purified hydrofluoroalkane.
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Wilmet,Vincent; Janssens,Francine; Seignour,Lionel Casaubon; Krafft,Philippe; Lambert,Alain; Buyle,Olivier, Process for obtaining a purified hydrofluoroalkane.
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Hedrick,Vicki E.; Boggs,Janet K.; Brandstadter,Stephen M.; Cohn,Mitchel, Systems and methods for producing fluorocarbons.
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