Patent ID: 6040053
Filing Date: 2000-03-21
Classification: C03C,C09D,Y10T

Abstract:
An article comprising a substrate having at least one surface coated with a porous inorganic metal oxide network in contact with a silane, or a siloxane oligomer which is formed by the partial or complete hydrolysis and condensation of said silane, wherein said silane or siloxane oligomer comprises at least one hydrophilic anionic group selected from the group consisting of --OSO.sub.2 O.sup.-, --SO.sub.2 O.sup.-, CO.sub.2.sup.-, (--O).sub.2 P(O)O.sup.- ; --P(O)(O.sup.-).sub.2, --OP(O)(O.sup.-).sub.2, --P(O.sup.-).sub.2, and --OP(O.sup.-).sub.2.