US 12,378,415 B2
High oxygen permeability silicone hydrogel composition, contact lens made from high oxygen permeability silicone hydrogel composition and manufacturing method thereof
Yo-Lun Chen, Hsinchu (TW); Shih-Che Huang, Hsinchu (TW); and Hsiu-Wei Ou, Hsinchu (TW)
Assigned to INNOVA VISION INC., Hsinchu (TW)
Filed by INNOVA VISION INC., Hsinchu (TW)
Filed on Apr. 29, 2022, as Appl. No. 17/733,731.
Prior Publication US 2023/0348719 A1, Nov. 2, 2023
Int. Cl. C08L 83/04 (2006.01); C08G 77/14 (2006.01); C08G 77/20 (2006.01); C08L 83/10 (2006.01); C08L 83/12 (2006.01)
CPC C08L 83/04 (2013.01) [C08G 77/14 (2013.01); C08G 77/20 (2013.01); C08L 83/10 (2013.01); C08L 83/12 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A high oxygen permeability silicone hydrogel composition, comprising:
a first silicone polymer, in an amount from 5% to 20% by weight of the composition, having a structural formula (I) below:

OG Complex Work Unit Chemistry
wherein m is an integer between 16 and 20 and n is an integer between 40 and 80;
a second silicone polymer, in an amount from 30% to 60% by weight of the composition, having a structural formula (II) below:

OG Complex Work Unit Chemistry
wherein o is an integer between 1 and 10 and p is an integer between 11 and 15;
at least one hydrophilic monomer, in an amount from 20% to 50% by weight of the composition;
a crosslinking agent, in an amount from 0.1% to 2% by weight of the composition;
an initiator, in an amount from 0.5% to 2% by weight of the composition; and
a solvent, in an amount from 5% to 20% by weight of the composition.