Method for producing photochromic plastic lens

B - Operations – Transporting – 05 – D

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B05D 7/24 (2006.01) B05D 1/18 (2006.01) B05D 3/06 (2006.01) G02B 1/04 (2006.01) G02B 1/10 (2006.01) G02C 7/02 (2006.01)

Patent

CA 2095703

METHOD FOR PRODUCING PHOTOCHROMIC PLASTIC LENS Abstract of the Invention: A method for producing photochromic plastic lenses is presented. In accordance with the method of the present invention a photochromic property is imparted to a plastic lens (e.g., by dyeing the surface of the lens with a photochromic dye solution) at high temperatures by microwave heating for a predetermined amount of time.

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