B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
B01J 13/18 (2006.01)
Patent
CA 2533406
The invention relates to microcapsules having a core material encapsulated within a microcapsular shell, the core material comprises at least one active ingredient, wherein the microcapsular shell comprises at least one inorganic polymer comprising polymerized precursors obtained by in-situ polymerization of the precursors; wherein the concentration of the core material based total weight of the microcapsules is above 95% w/w. The invention further relates to a composition and to a suspension comprising the microcapsules. The invention additionally relates to a process for preparing the microcapsules.
La présente invention concerne des microcapsules comprenant un matériau de noyau encapsulé dans une enveloppe microcapsulaire, le matériau de noyau comprenant au moins un ingrédient actif, l'enveloppe microcapsulaire comprenant au moins un polymère inorganique renfermant des précurseurs polymérisés obtenus par la polymérisation in-situ des précurseurs, et la concentration du matériau de noyau étant supérieure à 95 % en poids par rapport au poids total des microcapsules. L'invention se rapporte en outre à une composition et à une suspension comprenant les microcapsules précitées. L'invention concerne enfin un procédé de préparation des microcapsules.
Naigertsik Oleg
Rothschild Sorel
Rottman Claudio
Osler Hoskin & Harcourt Llp
Sol-Gel Technologies Ltd.
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