C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 61/40 (2006.01) B01D 61/02 (2006.01) B01D 69/10 (2006.01) B01D 69/12 (2006.01) B01D 71/56 (2006.01) C07C 61/29 (2006.01) C08G 69/26 (2006.01)
Patent
CA 2087421
ABSTRACT OF THE DISCLOSURE A composite reverse osmosis membrane comprising a thin membrane and a microporous supporting membrane supporting it, wherein said thin membrane mainly comprises a crosslinked polyamide comprising; (a) an amine component containing at least one member selected from the group consisting of substantially monomeric amine compounds each having at least two primary and/or secondary amino groups, and (b) an acid halide component containing at least one member selected from the group consisting of substan- tially monomeric cyclic acid halide compounds each having at least two acid halide groups and comprising at least two rings. - 30 -
Hachisuka Hisao
Hirose Masahiko
Ikebata Hisashi
Kihara Yasuo
Kojima Katsuhide
Nitto Denko Corporation
Riches Mckenzie & Herbert Llp
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