Removal of impurities from amines

C - Chemistry – Metallurgy – 08 – F

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C08F 265/06 (2006.01) C01D 3/14 (2006.01) C01D 3/16 (2006.01) C01D 15/04 (2006.01) C01F 7/00 (2006.01) C01F 11/00 (2006.01) C01G 3/00 (2006.01) C01G 9/00 (2006.01) C01G 21/00 (2006.01) C01G 37/00 (2006.01) C01G 49/00 (2006.01) C01G 53/00 (2006.01)

Patent

CA 1265535

ABSTRACT Particles, fibers, or filaments of alkali salts of ethylene/carboxylic acid copolymers or ter- polymers, especially in highly porous form, are employed in removing contaminants from tertiary amines or quaternary amine salts, especially metal contam- inants. 31,661-F

517539

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