Thermography (B41M5/20, B41M5/24 take precedence);

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Duplicating or marking methods; Sheet materials for use therein (by using light-sensitive materials G03; electrography, magnetography G03G ) > Thermography (B41M5/20, B41M5/24 take precedence);

Child Classifications

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• B41M 5/262
• B41M 5/265
• B41M 5/267
• B41M 5/28 using thermochromic compounds or layers containing liquid crystals, microcapsules, bleachable dyes or heat- decomposable compounds, e.g. gas- liberating
• B41M 5/30 using chemical colour formers (B41M5/34 takes precedence)
• B41M 5/34 Multicolour thermography
• B41M 5/36 using a polymeric layer, which may be particulate and which is deformed or structurally changed with modification of its' properties, e.g. of its' optical hydrophobic-hydrophilic, solubility or permeability properties
• B41M 5/382 Contact thermal transfer or sublimation processes (sublistatic printing using a pre-formed image B41M5/035; ink-, dye- or pigment-receptive coatings B41M5/52)
• B41M 5/398 Processes based on the production of stickiness patterns using powders
• B41M 5/40 characterised by the base , intermediate, or covering layers, ; Heat, radiation filtering or absorbing means or layers; combined with other image registration layers or compositions; Special originals for reproduction by thermography