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

Full Title

Duplicating or marking methods; Sheet materials for use therein (by using light-sensitive materials G03; electrography, magnetography G03G ) > 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

Child Classifications

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• B41M 5/1243
• B41M 5/1246
• B41M 5/128 Desensitisers; Compositions for fault correction, detection or identification of the layers
• B41M 5/132 Chemical colour-forming components; Additives or binders therefor
• B41M 5/165 characterised by the use of microcapsules; Special solvents for incorporating the ingredients