Patent ID: 7446233

Claim:
A surface modifier for an inorganic solid, which comprises a polyether having a monomeric unit represented by formula: wherein R 1 represents a hydrogen atom; an optionally substituted C 1-50 hydrocarbon, C 1-50 fluoroalkyl, C 6-50 fluoroaryl or Si 1-50 siloxysilylpropyl group; or a group represented by —(AO) m —R 2 ; in which R 2 represents an optionally substituted C 1-42 hydrocarbon, C 1-42 fluoroalkyl, C 6-42 fluoroaryl or Si 1-40 siloxysilylpropyl group; A represents a C 2-3 alkylene group; m is a number selected from 1 to 100; and m×A's may be the same or different; and p is 67-100,000.