C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 77/04 (2006.01) A61K 9/10 (2006.01) A61K 47/48 (2006.01) A61K 48/00 (2006.01) C08L 71/02 (2006.01)
Patent
CA 2458837
Provided are a dispersion comprising organic-inorganic hybrid type particles carried thereon with a biologically active substance, wherein the above particles can be obtained by allowing a block copolymer represented by Formula (I): PEG-block-poly(carbo) (I) (wherein PEG represents a polyethylene glycol segment, and carbo represents a repetitive unit having a carboxylate ion on a side chain) and an aqueous medium system capable of forming hydroxyapatite to coexist with the biologically active substance, and a preparing method for the same.
Cette invention concerne une dispersion renfermant des particules hybrides organiques/inorganiques supportant un principe biologiquement actif. Cette dispersion s'obtient en faisant coexister ledit principe actif avec un système comprenant un copolymère bloc représenté par la formule générale (I) : PEG bloc-poly-carbo (dans laquelle PEG représente un segment polyéthylène glycol, et carbo une unité récurrente comportant un coaboxylate dans une chaîne latérale) ; et un support aqueux capable de former une hydroxyapatite.
Kakizawa Yoshinori
Kataoka Kazunori
Center For Advanced Science And Technology Incubation Ltd.
Smart & Biggar
Toudai Tlo Ltd.
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