Cation exchange resins, their production and uses thereof

C - Chemistry – Metallurgy – 07 – C

Patent

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C07C 43/04 (2006.01) B01J 31/10 (2006.01) B01J 37/34 (2006.01) B01J 39/20 (2006.01) C07C 41/06 (2006.01) C08F 8/12 (2006.01) C08F 228/02 (2006.01)

Patent

CA 1340438

A process for preparing a copolymer, in the form of beads, of a vinyl sulphonic acid ester and a polyethenically unsaturated monomer which is convertible by hydrolysis, advantageously in the presence of ultrasound, to a copolymer, also in the form of beads, of a vinyl sulphonic acid and a polyethenically unsaturated monomer which may be used as a catalyst.

575380

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