PROCESSES TO PREPARE ANTIMICROBIAL CONTACT LENSES
First Claim
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1. A method of preparing an antimicrobial lens comprising a metal salt, wherein said method comprises the steps of (a) treating a cured lens, with a salt precursor and (b) treating the lens of step (a) with a dispersing agent and a metal agent.
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Abstract
This invention relates to antimicrobial lenses containing metals and methods for their production.
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Citations
25 Claims
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1. A method of preparing an antimicrobial lens comprising a metal salt, wherein said method comprises the steps of
(a) treating a cured lens, with a salt precursor and (b) treating the lens of step (a) with a dispersing agent and a metal agent.
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12. A method of preparing an antimicrobial lens comprising a metal salt, wherein the method comprises the steps of
(a) treating a cured lens with a metal agent and a dispersing agent; (b) treating the lens of step (a) with a salt precursor. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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23. A method of preparing an antimicrobial lens comprising a metal salt, wherein the method comprises the steps of
(a) treating a cured lens with a metal agent and a dispersing agent; - and
(b) treating the lens of step (a) with a salt precursor and a dispersing agent;
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24. A method of preparing an antimicrobial lens comprising a metal salt, wherein said method comprises the steps of
(a) treating a cured lens, with a salt precursor and a dispersing agent and (b) treating the lens of step (a) with a dispersing agent and a metal agent.
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25. An antimicrobial lens comprising a metal salt made by a method, wherein said method comprises the steps of
(a) treating a cured lens, a salt precursor; - and
(b) treating the lens of step (a) with a dispersing agent and a metal agent.
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Specification