Laser marking of pigment layers on documents
Laser marking process
Laser thermal transfer recording method
Laser-imageable recording constructions utilizing...
Laser-markable substrate, and associated manufacturing method
Laser-sensitive coating formulation
Laser-sensitive recording materials having an undercoating...
Latent image ink
Latent image printing and development
Latent image printing process and apparatus and substrate...
Latent image receiving sheet
Latent image structure
Latent images comprising phase shifted micro printing
Light sensitive compositions and products
Light-resistant-color developing sheet for...
Line art transfer freehand colouring
Line drawings and marking system
Liquid sorptive coating for ink jet recording media
Lithographic printing process
Low cost transfer ink coating