Patent ID: 8710167

Claim:
A silicone hydrogel obtained by polymerizing a polymerization mix containing a plurality of monomers containing about 30 to about 98 weight % of at least one silicone (meth)acrylamide monomer; represented by the general formulae (b3) or (b4): wherein in the chemical formulae (b3) or (b4), R 1 independently represents a hydrogen atom or a methyl group; R 10 to R 13 independently represent alkyl groups with between 1 and 20 carbon atoms or aryl groups with between 6 and 20 carbon atoms; and m is a natural number in the range from 0 to 2; and about 1 to about 50 weight % of at least one non-silicone (meth)acrylamide monomer represented by wherein R 1 is hydrogen or methyl; at least one of R 14 and R 15 is a C1-20 alkyl group substituted with at least one hydroxyl group, and with the proviso that when; i) one of R 14 and R 15 is hydrogen ii) the other of R 14 and R 15 is substituted with at least two hydroxyl groups, wherein said weight percent based upon total amount of monomer components and polymer components in the monomer mix.