Patents

Crosslinked Ionic

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By: KERRY PIANOFORTE

Editor, Coatings World

l Patent No. Europe 1,185,565 A
PMD Holdings Corp. received a patent for crosslinked ionic polymers and salts useful as thickeners, emulsifiers and emulsion stabilizers. They are based on polycarboxylic acids, polysulphonic acids, or salts and polymerisble vinyl monomers.

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