Silicone Hydrogel Mixture and Wettable Silicone Hydrogel Lens Formed Thereof
AssigneeLucens Technology Inc.
InventorKuo Teng HSU
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Abstract
A silicone hydrogel mixture and a wettable silicone hydrogel lens formed thereof. The silicone hydrogel mixture comprises a silicone macromer, a hydrophilic polymer, and a non-silicone hydrophilic crosslinking agent, wherein the non-silicone hydrophilic crosslinking agent is polyethylene glycol dimethacrylate (PEGDMA) represented by the following structural formula (A): wherein R1 and R2 are CH3 or R1 and R2 are H, and n is an integer from 4 to 42.
Claims19
A silicone hydrogel mixture for forming a wettable silicone hydrogel lens, the silicone hydrogel mixture comprising:
- a silicone macromer;
- a hydrophilic polymer;
- and
- a non-silicone hydrophilic crosslinking agent, wherein the non-silicone hydrophilic crosslinking agent is polyethylene glycol dimethacrylate (PEGDMA) represented by following structural formula (A):
- wherein R1 and R2 are CH3 or R1 and R2 are H, and n is an integer from 4 to 42.
A wettable silicone hydrogel lens formed of a silicone hydrogel mixture, wherein the silicone hydrogel mixture comprises:
- a silicone macromer;
- a hydrophilic polymer;
- and
- a non-silicone hydrophilic crosslinking agent, wherein the non-silicone hydrophilic crosslinking agent is polyethylene glycol dimethacrylate (PEGDMA) represented by following structural formula (A):
- wherein R1 and R2 are CH3 or R1 and R2 are H, and n is an integer from 4 to 42.
Dependencies are inferred from the claim text.