C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 51/48 (2006.01) B01D 61/24 (2006.01) C07C 51/42 (2006.01) C07C 53/10 (2006.01) C07C 57/10 (2006.01) C07C 57/44 (2006.01) C07C 63/00 (2006.01) C07D 307/68 (2006.01)
Patent
CA 2044719
6-18124/A Process for the enrichment or separation of organic substance mixtures Abstract Salts of organic carboxylic acids can be separated from non-salt-type organic compounds using a semipermeable membrane consisting of a perfluorosulfonic acid polymer or a salt of such a polymer, by bringing a solution of the salts and the organic compounds in a C1-C4alkanol into contact with one side of the membrane and having the pure solvent on the opposite side of the membrane. The process can be used, for example, in purification processes or for recovering reactants from reaction residues.
Berger Joseph
Feldkamp Thomas
Lohse Friedrich
Muller Manfred
Ag Ciba-Geigy
Berger Joseph
Feldkamp Thomas
Fetherstonhaugh & Co.
Lohse Friedrich
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