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US 2020/0002267 A1Published application
Polymerizable absorbers of uv and high energy visible light
AssigneeJohnson & Johnson Vision Care, Inc.
InventorsGhulam Maharvi, Shivkumar Mahadevan, Stephen C. Arnold, Patricia Martin, Leilani K. Sonoda, Dola Sinha
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Abstract
Described are polymerizable high energy light absorbing compounds of formula I: Wherein Y, Pg, R1, R2, R3, R4, R5, and R6 are as described herein. The compounds absorb various wavelengths of ultraviolet and/or high energy visible light and are suitable for incorporation in various products, such as biomedical devices and ophthalmic devices.
Claims16
A compound of formula I:
- wherein:
- Y is a linking group;
- Pg is a polymerizable group;
- R1 is H or C1-C6 alkyl;
- R2 and R3 are independently C1-C6 alkyl or cycloalkyl;
- R4 is C1-C6 alkyl;
- and
- R5 and R6 are independently H or C1-C6 alkyl.
5 more elements
Dependencies are inferred from the claim text.