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US 2026/0275045 A1Published application
Polymerizable fused tricyclic compounds as absorbers of uv and visible light
AssigneeJohnson & Johnson Vision Care, Inc.
InventorsShivkumar Mahadevan, Dawn D. Wright
Life of this patent
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Abstract
Described are polymerizable fused tricyclic compounds of formula I: wherein R1, R2, R3, m, n, t, and rings B, C, and D are as defined herein. The compounds absorb various wavelengths of ultraviolet and/or visible light (such as high energy visible light) and are suitable for incorporation in a variety of products, such as biomedical devices and ophthalmic devices.
Claims10
A compound of formula II:
- wherein m and n are independently 0, 1, 2, 3, or 4;
- R1 and R2 are independently at each occurrence H, an optional substituent, or —Y—Pg, or two adjacent R1 or R2 groups, together with the atoms to which they are attached, combine to form a cycloalkyl or aryl ring optionally substituted with —Y—Pg;
- EWG at each occurrence is independently an electron withdrawing group;
- Pg at each occurrence is independently a polymerizable group;
- and
- Y at each occurrence is independently a linking group;
- wherein the compound of formula II contains at least one Pg group.
4 more elements
10-16. (canceled)
Dependencies are inferred from the claim text.