Patent ID: 9333265
Filing Date: 2016-05-10
CPC Classification: A61K,A61P,C01B,C08G,C08K,C08L

Claim Text:
1. An organic-inorganic hybrid composite comprising inorganic particles and a polymer, wherein the inorganic particles are selected from the group consisting of silica particles and magnetic particles, and the polymer is a block copolymer represented by Formula (I): in which PEG is a segment containing poly(ethylene glycol), and CNR is a polymer segment having a repeating unit containing, as part of a pendant group, a cyclic nitroxide radical that binds to a polymer main chain via a linking group, and wherein the hybrid composite is, when dissolved or dispersed in water, in the form of a polymer micelle having an average particle diameter of 5 nm to 500 nm.