Title:
1,2,3,3,3-ペンタフルオロプロペンの製造方法
Document Type and Number:
Japanese Patent JP2009542652
Kind Code:
A
Abstract:
A process is disclosed for making CF3CF═CHF. The process involves reacting CF3CClFCCl2F with H2 in a reaction zone in the presence of a catalyst to produce a product mixture comprising CF3CF═CHF. The catalyst has a catalytically effective amount of palladium supported on a support selected from the group consisting of alumina, fluorided alumina, aluminum fluoride and mixtures thereof and the mole ratio of H2 to CF3CClFCCl2F fed to the reaction zone is between about 1:1 and about 5:1. Also disclosed are azeotropic compositions of CF3CClFCCl2F and HF and azeotropic composition of CF3CHFCH2F and HF.
Inventors:
Mario Joseph Nappa
Veliul Knot Malika Luna Rao
Allen Capron Sivert
Veliul Knot Malika Luna Rao
Allen Capron Sivert
Application Number:
JP2009518190A
Publication Date:
December 03, 2009
Filing Date:
June 22, 2007
Export Citation:
Assignee:
E.I.DU PONT DE NEMOURS AND COMPANY
International Classes:
C07C17/25; C07C17/23; C07C19/08; C07C21/18; C07B61/00; C09K5/04
Domestic Patent References:
| JPH0687771A | 1994-03-29 | |||
| JPH08510739A | 1996-11-12 | |||
| JPH0687771A | 1994-03-29 |
Foreign References:
| WO1993025510A1 | 1993-12-23 | |||
| WO2005037742A1 | 2005-04-28 | |||
| DE1237084B | 1967-03-23 | |||
| GB938070A | 1963-09-25 | |||
| WO2005037743A1 | 2005-04-28 | |||
| WO1993025510A1 | 1993-12-23 | |||
| WO2005037742A1 | 2005-04-28 | |||
| DE1237084B | 1967-03-23 |
Attorney, Agent or Firm:
Junji Yuda
Noriyuki Takebayashi
Chika Takagi
Noriyuki Takebayashi
Chika Takagi