Partially dyed plastic lens and method of manufacturing same
Pigment colored contact lenses and method for making same
Polarizing film: polymer film base containing substituted anthra
Polymeric dyes derived from bis-reactive methylene compounds and
Polyvinyl chloride resin particles dyed with cationic dyestuffs
Preparation of dyed plastics or polymeric dye particles
Process and apparatus for the continuous dyeing of lengths of ma
Process for coloring expandable polystyrene beads
Process for coloring organic solvents, mineral oil products, wax
Process for coloring polytrimethylene terephthalate fibres and u
Process for dyeing mixed elastomeric and non-elastomeric fibers
Process for dyeing of polymers of ethylene with basic dyes
Process for identifying plastics by addition of fluorescent dye
Process for making dyed articles
Process for making dyed articles
Process for mass-dyeing of thermoplastics: polystyrene and styre
Process for multicolor dyeing of vegetable ivory products
Process for preparing polyurethane resins colored with anthraqui
Process for preparing soft tinted lenses
Process for producing colored contact lens