Back to results
US 4,698,374 AGranted
Optical lens system incorporating melanin as an absorbing pigment for protection against electromagnetic radiation
OwnerJames M. Gallasinventor
Life of this patent
Estimating the term…
Abstract
The present invention is directed to optical lens systems for radiation protection of the human eye utilizing melanin as an absorbing pigment.
Claims16
An optical lens system for protecting the eye from ultraviolet, visible and near-infrared radiation, comprising:
- a substrate;
- and
- melanin;
- said substrate and said melanin forming a solid, clear and transparent lens.
1 more element
A product for providing radiation protection, comprising:
- an optical lens;
- and
- a thin layer of melanin adhered to said lens;
- said layer of melanin being clear and transparent.
1 more element
A product for providing radiation protection, comprising:
- a solid, transparent substrate;
- and
- a solid, transparent melanin as an ultraviolet, visible and near-infrared radiation absorbing pigment.
A product for providing radiation protection from ultraviolet, visible and near-infrared radiation, comprising:
- a solid, transparent substrate;
- and
- a melanin being in a non-aggregated state.
Dependencies are inferred from the claim text.