B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
117/47.9
B01J 13/02 (2006.01) B01J 13/12 (2006.01) C08K 9/10 (2006.01) C08L 83/04 (2006.01)
Patent
CA 1338201
Microencapsulated compounds of platinum or other platinum group metal are obtained by forming an encapsulating layer of a thermoplastic organic polymer around a finely divided platinum compound dispersed in a liquid that is a non-solvent for both the compound and the polymer. The microcapsules are isolated from the resulting liquid dispersion as a free-flowing powder by atomizing the dispersion and entraining the resultant droplets in a high velocity stream of a heated gas wherein the aqueous liquid is rapidly evaporated, thereby allowing the microcapsules to be isolated as a free flowing homogeneous powder.
591090
Dow Corning Corporation
Gowling Lafleur Henderson Llp
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