A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
A61K 6/08 (2006.01) A61K 6/00 (2006.01) A61K 6/083 (2006.01)
Patent
CA 2473861
The present invention provides a dental paste, a dental article, methods of making and using the dental paste, and compositions prepared therefrom. In one embodiment, the dental paste includes (a) a filler including porous, non- pyrogenic silica having a silane treated surface and being substantially free of heavy metals and (b) a filler including non-aggregated primary silica particles, with the fillers being dispersed in a hardenable resin.
La présente invention concerne une pâte dentaire, un article dentaire, des procédés de fabrication et d'utilisation de la pâte dentaire, et des compositions préparées à partir d'une telle pâte. Dans un mode de réalisation, la pâte dentaire comprend (a) une charge comportant de la silice poreuse et non pyrogène comprenant une surface traitée au silane et sensiblement exempte de métaux lourds et (b) une charge comprenant des particules de silice primaire non agglomérées, les charges étant dispersées dans une résine durcissable.
Craig Bradley D.
Holmes Brian N.
Kolb Brant U.
Mitra Sumita B.
Rusin Richard P.
3m Innovative Properties Company
Smart & Biggar
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