58581 ⎘
Duplicating or marking methods; Sheet materials for use therein; Thermography Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using thermochromic compounds or layers containing liquid crystals, microcapsules, bleachable dyes or heat- decomposable compounds, e.g. gas- liberating using thermochromic compounds; Organic thermochromic compounds Polyacetylenes
Heat transfer agents in an image-forming composition
#2Method of forming an image on a substrate
#3Method of forming an image on a substrate
#4Inkless printing method
#5Plastics colouration
#6Laser imageable polyolefin film
#7Inkless printing apparatus
#8Method for activating colorant associated with an article
#9Method of producing color change in a substrate
#10Co-Crystals and Their Use
#11Laser imaging
#12Web substrate having activated color regions in topical additive regions
#13Method of producing color change in a web substrate
#14Energy activated compositions
#15Colour forming composition
#16Laser Imaging and Its Use In Security Applications
#17Polychromic substances and their use
#18Filters
#19Thermoplastic material comprising polychromic substances
#20Polychromic substances and their use
#21STYLUS-SUBSTRATE SYSTEM FOR DIRECT IMAGING, DRAWING, AND RECORDING
#22Thermoplastic material comprising polychromic substances
#23Method of building a sensor structure
#24Ink-Less Printing
#25Multi-Colour Printing