Bleaching and dyeing; fluid treatment and chemical modification – Diffusion transfer dyeing process – transfer sheet and product – Dry heat treatment for penetration
Reexamination Certificate
2006-07-18
2006-07-18
Einsmann, Margaret (Department: 1751)
Bleaching and dyeing; fluid treatment and chemical modification
Diffusion transfer dyeing process, transfer sheet and product
Dry heat treatment for penetration
C008S506000, C106S031270
Reexamination Certificate
active
07077874
ABSTRACT:
The purpose of the present invention is to provide an ink for dyeing a plastic lens, capable of favorably dyeing the plastic lens by a vapor transfer dyeing method, and a method of dyeing a plastic lens by using the ink. In the present invention, an ink for dyeing a plastic lens, the ink being applied by an ink jet printer, sublimated in vacuum and deposited on the plastic lens to dye the lens, wherein the ink includes at least one sublimatable disperse dye of an anthraquinone dye, a quinophthalone dye, and an azo dye of thiazole type.
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Einsmann Margaret
Nidek Co. Ltd.
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