Method of dyeing thermoplastic resin article and colored...

Details Method of dyeing thermoplastic resin article and colored... Method of dyeing thermoplastic resin article and colored...

2005-09-13

2005-09-13

Einsmann, Margaret (Department: 1751)

Bleaching and dyeing; fluid treatment and chemical modification

Nontextile, dyeing process or product, including inorganic...

C008S512000, C008S617000

Reexamination Certificate

active

06942705

ABSTRACT:
The invention provides a method of effectively dyeing a thermoplastic resin plastic lens in any desired color tone and density as well as a colored plastic lens made by the method. The method involves dipping a thermoplastic resin plastic lens in a dyeing liquid containing one or more disperse dyes and one or more monocyclic monoterpenes.

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