Colored printing ink for contact lenses

Details Colored printing ink for contact lenses Colored printing ink for contact lenses

2005-05-25

2009-12-29

Daniels, Matthew J. (Department: 1791)

Plastic and nonmetallic article shaping or treating: processes

Optical article shaping or treating

Composite or multiple layer

C264S002600, C264S236000

Reexamination Certificate

active

07638075

ABSTRACT:
The present invention provides novels inks and methods for making a colored polymeric substrates, preferably a contact lens. In the inventive method at least a portion of a surface of a lens is coated with a color coat comprising at least one colorant, and a binder polymer obtained by copolymerizing a first monomer being ethylenically unsaturated and having a latent crosslinkable pendent group; and a second monomer having an ethylenically unsaturated double bond copolymerizable with the first monomer. The lens is then subjected to conditions that cause the color coat to adhere to the lens.

REFERENCES:
patent: 4081421 (1978-03-01), Yoshida et al.
patent: 4782946 (1988-11-01), Pollak
patent: 5034166 (1991-07-01), Rawlings et al.

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