UV-absorbers for ophthalmic lens materials

Drug – bio-affecting and body treating compositions – Topical body preparation containing solid synthetic organic... – Ophthalmic preparation

Reexamination Certificate

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Details

C548S255000, C548S257000, C548S260000, C548S261000, C514S912000, C351S159000, C252S183110

Reexamination Certificate

active

08043607

ABSTRACT:
Dihydroxybenzotriazole UV absorbing compounds that are particularly useful in ophthalmic devices are disclosed.

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