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1. (WO1992010452) PROCESS FOR REMOVING VINYLIDENE CHLORIDE AND OTHER UNSATURATED COMPOUNDS FROM 1,1-DICHLORO-1-FLUOROETHANE
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/1992/010452 International Application No.: PCT/US1991/009390
Publication Date: 25.06.1992 International Filing Date: 11.12.1991
Chapter 2 Demand Filed: 02.07.1992
IPC:
C07C 17/395 (2006.01)
C CHEMISTRY; METALLURGY
07
ORGANIC CHEMISTRY
C
ACYCLIC OR CARBOCYCLIC COMPOUNDS
17
Preparation of halogenated hydrocarbons
38
Separation; Purification; Stabilisation; Use of additives
395
by treatment giving rise to a chemical modification of at least one compound
Applicants:
ALLIED-SIGNAL INC. [US/US]; Law Department (C.A. McNally) P.O. Box 2245R Morristown, NJ 07962-2245, US
Inventors:
YATES, Stephen, Frederic; US
SMITH, Addison, Miles; US
MURPHY, Arthur, Frederic; US
Agent:
CALVETTI, Frederick, F.; Morgan & Finnegan 1627 I Street, N.W. Washington, DC 20006, US
Priority Data:
627,07013.12.1990US
Title (EN) PROCESS FOR REMOVING VINYLIDENE CHLORIDE AND OTHER UNSATURATED COMPOUNDS FROM 1,1-DICHLORO-1-FLUOROETHANE
(FR) PROCEDE D'ELIMINATION DE CHLORURE DE VYNILIDENE ET D'AUTRES COMPOSES INSATURES DE 1,1-DICHLORO-1,1 FLUOROETHANE
Abstract:
(EN) Vinylidene chloride is removed from 1,1-dichloro-1-fluoroethane (HCFC-141b) by contacting the HCFC-141b in the vapor phase with chlorine in the presence of ultraviolet light providing an exposure up to about 50 watts-hour/kg.
(FR) On élimine le chlorure de vynilidène du 1,1-dichloro-1,1 fluoroéthane (HCFC-141b) en mettant en contact le HCFC-141b en phase vapeur avec du chlore en présence de lumière ultraviolette assurant une exposition jusqu'à environ 50 watts-heure/kg.
Designated States: AU, CA, JP, KR
European Patent Office (AT, BE, CH, DE, DK, ES, FR, GB, GR, IT, LU, MC, NL, SE)
Publication Language: English (EN)
Filing Language: English (EN)
Also published as:
EP0563292JPH06503831CA2098287KR1019930703224AU1991091712