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US 10,884,168 B2Granted
Dye microenvironment
AssigneeVision Ease, LP
InventorsSteven Harold Nahm, David Jerrel Kissel, Richard Blacker
Life of this patent
Estimating the term…
Abstract
An optimized photochromic dye microenvironment isolated from and dispersed within a distinct host phase.
Claims11
An ophthalmic article comprising:
- a layer of an ophthalmic lens substrate;
- a layer of a host phase material that is distinct from and attached to the ophthalmic lens substrate as an adhesive;
- and
- a first dispersed phase distinct from the adhesive host phase material, the first dispersed phase distributed within the host phase material and comprising a first photochromic dye and a first microenvironment immediately surrounding the first photochromic dye;
- wherein a characteristic of said first photochromic dye is controlled by non-covalent interaction between said first photochromic dye and said first microenvironment.
2 more elements
Dependencies are inferred from the claim text.