58558 ⎘
Duplicating or marking methods; Sheet materials for use therein using pressure to make a masked colour visible, e.g. to make a coloured support visible, to create an opaque or transparent pattern, or to form colour by uniting colour-forming components; Chemical colour-forming components; Additives or binders therefor Organic colour formers, e.g. leuco dyes
Sub-classes:THERMOSENSITIVE RECORDING LAYER FORMING LIQUID, THERMOSENSITIVE RECORDING MEDIUM AND PRODUCTION METHOD THEREOF, AND IMAGE RECORDING METHOD
#2Primers with improved reflective and thermally insulative properties for microcapsule imaging system
#3PRESSURE IMAGING AND INDICATING MATERIALS AND DEVICES
#4IMPACT INDICATOR COATINGS AND METHODS
#5Marking system
#6Pressure sensitive coating for image forming
#7Colour-forming materials, contact recording devices and pressure recording devices
#8Tamper evident documents and inks
#9PRESSURE SENSITIVE COATING FOR IMAGE FORMING
#10Scratch color-developable ink and invisible information printed sheet
#11Multilayered color compositions and associated methods