Title:
AZEOTROPE-LIKE COMPOSITION OF 1,1,1,3,3-PENTAFLUOROPROPANE AND 1-CHLORO-1,1,3,3,3-PENTAFLUOROPROPANE
Document Type and Number:
WIPO Patent Application WO2002077117
Kind Code:
A3
Abstract:
Provided are azeotropic and azeotrope-like mixtures of 1,1,1,3,3- pentafluoropropane (HFC-245fa) and 1-chloro-1,1,3,3,3-pentafluoropropane (HCFC-235fa) that are useful as intermediates in the production of HFC-245fa. A process for separating HFC-245fa and HCF-235fa is also provided. HFC-245fa is useful as a nontoxic, zero ozone depleting fluorocarbon useful as solvents, blowing agents, refrigerants, cleaning agents, aerosol propellants, heat transfer media, gaseous dielectrics, fire extinguishing compositions and power cycle working fluids.
Inventors:
COOK KANE DAVID
TUNG HSUEH SUNG
SINGH RAJIV RATNA
TUNG HSUEH SUNG
SINGH RAJIV RATNA
Application Number:
PCT/US2002/008326
Publication Date:
April 24, 2003
Filing Date:
March 20, 2002
Export Citation:
Assignee:
HONEYWELL INT INC (US)
International Classes:
C07C19/08; C09K5/04; C07C17/383; C10M131/04; (IPC1-7): C09K5/04; C07C17/383
Foreign References:
| US6187976B1 | 2001-02-13 | |||
| US5574192A | 1996-11-12 | |||
| US6077982A | 2000-06-20 |
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