C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/658.1
C07C 17/38 (2006.01) B01D 53/02 (2006.01) B01J 20/20 (2006.01) C07C 19/08 (2006.01)
Patent
CA 2007907
CARBON MOLECULAR SIEVES FOR PURIFICATION OF CHLOROFLUOROCARBONS ABSTRACT Chlorofluorocarbons are purified by removing hydrofluoric and hydrochloric acids with a carbon molecular sieve having an averaye pore size of about 3.5 Angstroms with no more than about 5% of the pores having a size less than 3.2 Angstroms and no more than about 5% of the pores having a size greater than 4.2 Angstroms.
Alliedsignal Inc.
Gowling Lafleur Henderson Llp
LandOfFree
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