Active material within hydrogel microbeads

Details Active material within hydrogel microbeads Active material within hydrogel microbeads

A - Human Necessities

01

N

A01N 25/28 (2006.01) A01N 25/04 (2006.01) A01N 25/10 (2006.01) A61K 8/04 (2006.01) A61K 8/34 (2006.01) A61K 8/35 (2006.01) A61K 8/37 (2006.01) A61K 8/73 (2006.01) A61K 9/16 (2006.01) B01J 13/00 (2006.01) B01J 13/14 (2006.01)

Patent

CA 2387209

A method of delivering active material using microbeads comprising droplets of active material entrained in a hydrophilic matrix. Compositions comprising the microbeads may be sprayable. The microbeads of the invention may be controllable by exposing the microbeads to high or low humidity or moisture.

L'invention concerne un procédé permettant de libérer une matière active au moyen de microperles renfermant des gouttelettes de matière active entraînées dans une matrice hydrophile. Les compositions renfermant des microperles sont pulvérisables. Les microperles de la présente invention peuvent être réglées par exposition à un taux d'humidité faible ou élevé.

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