Process for producing 1,1,1,3,3-pentafluoropropane

Details Process for producing 1,1,1,3,3-pentafluoropropane Process for producing 1,1,1,3,3-pentafluoropropane

2005-01-25

2005-01-25

Price, Elvis O. (Department: 1621)

Organic compounds -- part of the class 532-570 series

Organic compounds

Halogen containing

C570S164000, C570S165000, C570S166000

Reexamination Certificate

active

06846963

ABSTRACT:
In a process for producing 1,1,1,3,3-pentafluoropropane which has a liquid-phase reaction step for fluorination of 1,1,1,3,3-pentahalopropane (wherein at least one of halogen atoms is not fluorine) with HF in the presence of antimony pentahalide catalyst in a reactor to obtain a reaction mixture comprising 1,1,1,3,3-pentafluoropropane and the antimony pentahalide catalyst, the fluorination is conducted at a reaction temperature less than 50° C.

REFERENCES:
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patent: WO 9601797 (1996-01-01), None
patent: WO 9926720 (1999-06-01), None

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