B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
B01J 13/20 (2006.01)
Patent
CA 2200745
An active material encapsulated in a coating material immiscible therewith is contacted with a solvent that dissolves residual active material on the surface of the coating material without dissolving the coating material. The resultant encapsulated material has improved stability as compared to the material not contacted with solvent.
Une substance active, enrobée dans un matériau de revêtement non miscible avec elle, est mise en contact avec un solvant qui en dissout les résidus présents à la surface du matériau de revêtement mais qui ne dissout pas ce dernier. La substance enrobée résultante présente une meilleure stabilité que la substance non mise en contact avec ce solvant.
Dellar David V.
Hoffman Dwight K.
Schlameus Herman Wade
Smart & Biggar
Southwest Research Institute
The Dow Chemical Company
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