CONTINUOUS PRODUCTION OF CHLORODIFLUOROACETYL FLUORIDE VIA CHLOROTRIFLUOROETHYLENE OXIDATION

WIPO Patent Application WO2005051880

A3

The invention pertains to a process for preparing chlorodifluoroacetyl fluoride (CDAF) by oxidation of chlorotrifluoroethylene (CTFE) in a solvent using a continuously stirred tank reactor. It provides a process for the production of chlorodifluoroacetyl fluoride by comprises reacting a solvent solution of chlorotrifluoroethylene with oxygen in a reactor to form a product which comprises chlorodifluoroacetyl fluoride. The reacting may be conducted in a continuous or batch mode.

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BELL ROBERT L (US)
NALEWAJEK DAVID (US)
BRADLEY DAVID E (US)
DEMMIN TIMOTHY R (US)

PCT/US2004/038869

July 21, 2005

November 19, 2004

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HONEYWELL INT INC (US)
BELL ROBERT L (US)
NALEWAJEK DAVID (US)
BRADLEY DAVID E (US)
DEMMIN TIMOTHY R (US)

C07C51/21; C07C51/58; (IPC1-7): C07C51/58; C07C51/21; C07C53/40

US5905169A	1999-05-18
EP0668261A1	1995-08-23

G.R.LONG ET AL: "Chemical Reactions Following the IRMPD of C2F3Cl", APPLIED PHYSICS B, vol. 34, 1984, pages 97 - 106, XP009046843
J.R. LACHER ET AL: "Reaction of Chlorotrifluoroethylene with Chlorine and Oxygene", UNIVERSITY OF COLORADO STUDIES, SERIES IN CHEMISTRY AND PHARMACY, vol. 5, 1963, pages 1 - 8, XP001206159
R.N.HASZELDINE ET AL: "Oxidation of Polyhalogeno-compounds", J.CHEM.SOC., 1959, pages 1084 - 1090, XP009047411

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