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US 2015/0309211 A1Published application
Carbosiloxane vinylic monomers
AssigneeNovartis AG
InventorsJinyu Huang, Frank Chang
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Abstract
The invention provides a carbosiloxane vinylic monomer which comprises one sole ethylenically unsaturated group, one sole terminal butyl group; and one oligo(carbosiloxane)-containing linkage between the ethylenically unsaturated terminal group and the terminal butyl group. The present invention is also related to a polymer, an actinically-crosslinkable silicone-containing prepolymer, a silicone hydrogel polymeric material, or a silicone hydrogel contact lens, which comprises monomeric units derived from a carbosiloxane vinylic monomer of the invention.
Claims12
A carbosiloxane vinylic monomer of formula (I)
- in which:
- n1 is an integer of 2 to 5;
- ALK is a C1-C6 alkyl diradical;
- R1 and R2 independent of each another are a C1-C6 alkyl radical;
- Q is an ethylenically unsaturated group selected from the group consisting of
- in which R3 is hydrogen or a C1-C6 alkyl radical.
3 more elements
Dependencies are inferred from the claim text.