Ophthalmic devices containing heterocyclic compounds and...

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...

Reexamination Certificate

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C523S108000, C359S642000

Reexamination Certificate

active

10320572

ABSTRACT:
This invention relates to ophthalmic devices and methods for their production where the ophthalmic device contain a polymer and at least one heterocyclic compound comprising at least one N—Cl and/or N—Br bond.

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