Patent ID: 7282526

Claim:
A modified particle comprising a particle having attached a group having the formula: wherein A represents at least one aromatic group or at least one alkyl group; R 1 represents a bond, an arylene group, an alkylene group, wherein R 4 is an alkyl or alkylene group or an aryl or arylene group; R 2 and R 3 , which can be the same or different, represent hydrogen, an alkyl group, an aryl group, —OR 5 , —NHR 5 , —NR 5 R 5 , or —SR 5 , wherein R 5 , which is the same or different, represents an alkyl group or an aryl group; and Q represents an aryl halide, an alkyl halide, an aryl alkyl halide, a benzyl halide, a haloalkyl ester, an arenesulfonyl halide, or an arenecarbonyl halide.