Patent ID: 7465763

Claim:
A composition comprising inorganic compound particles and at least one compound selected from the group consisting of hydrolyzable organic silicon compounds, hydrolysis products thereof and multimers of the hydrolysis products, wherein based on 100 parts by weight of the total weight of the inorganic compound particles and the at least one compound, the composition contains: (i) 60 parts by weight to 80 parts by weight of the inorganic compound particles in which the inorganic compound has an average particle diameter of 40 nm or less, when the composition contains the at least one compound in the amounts of from 20 parts by weight to 40 parts by weight; or (ii) 40 parts by weight to 60 parts by weight of the inorganic compound particles in which the inorganic compound particles are selected from the group consisting of chain-shaped, inorganic compound particles and needle-shaped, inorganic compound particles, when the composition contains the at least one compound in the amounts of from 40 parts by weight to 60 parts by weight.