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US 2014/0004609 A1Published application
Method of quantifying uv disinfecting doses using indicators
AssigneeJohnson & Johnson Vision Care, Inc.
InventorsRandall B. Pugh, Edward R. Kernick, Karson S. Putt, Terry O'Brien
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Abstract
The present invention describes the development of a measuring method based on the degradation of various chromophores/fluorophores that can be used as a quantitative method to elucidate the UV dose within a liquid or as a qualitative visual color-changing chemical indicator of UV sterilization is described.
Claims4
A method of quantifying UV disinfecting doses adequate for sterilizing an Ophthalmic Lens using one or more additive indicators comprising:
- adding one or more indicators to an aqueous solution;
- applying a Ultra Violet radiation dose for in a controlled time and intensity;
- and
- gathering feedback from the degradation of one or more of the indicators.
1 more element
Dependencies are inferred from the claim text.