Method for tinting soft contact lenses
Method of dyeing a glass substrate with a polycationic dyestuff
Method of dyeing a plastic article
Method of dyeing a plastic lens, a plastic lens obtained by...
Method of dyeing an optical article
Method of dyeing thermoplastic resin article and colored...
Method of manufacturing a water-insoluble dye layer on a substra
Method of mass-coloring synthetic materials
Method of protecting organic material from light
Methods for forming dyed microspheres and populations of...
Monoazo dyes containing a fluorosulphonyl group and use thereof