Patent ID: 8349027
Filing Date: 2013-01-08
Classification: B29D,D06P,G02B

Abstract:
1. A process for producing a dyed plastic lens which comprises conducting following steps (1), (2) and (3) in this order: Step (1): a step comprising coating a substrate at 60° C. or lower with an ink comprising a sublimation dye and water; Step (2): a step comprising decreasing content of water in the ink coating the substrate to 50% by mass or less of the entire ink; and Step (3): a step comprising, after placing a plastic lens in a manner such that a face for dying of the lens and a face of the substrate coated with the ink face each other, sublimating the sublimation dye in the ink coating the substrate by heating the substrate obtained after Step (2) under a degree of vacuum of 1×10