A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
A61K 8/29 (2006.01)
Patent
CA 2603411
A composition is provided comprising: (a) first metal oxide particles having a first number weighted average primary particle size from 1nm to 50nm; and (b) second metal oxide particles having a second number weighted average primary particle size which is greater than 50nm and less than or equal to 200nm; wherein organo-functionalised silicone fibrils are bonded to and extend away from the surface of one or both of the first and second metal oxide particles.
Selon l'invention, une composition renferme (a) des premières particules d'oxydes métalliques présentant une première granulométrie primaire de moyenne pondérée au nombre comprise entre 1 nm et 50 nm et (b) des secondes particules d'oxydes métalliques présentant une seconde granulométrie primaire de moyenne pondérée au nombre supérieure à 50 nm et inférieure ou égale à 200 nm, lesdites fibrilles de silicone organofonctionnalisées étant liées et s'étendant de la surface des premières et/ou secondes particules d'oxydes métalliques.
Gowling Lafleur Henderson Llp
The Procter & Gamble Company
LandOfFree
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