Copying sheet and method for creating or enhancing copying...

Details Copying sheet and method for creating or enhancing copying... Copying sheet and method for creating or enhancing copying...

B - Operations, Transporting

41

M

B41M 5/10 (2006.01) B41M 5/124 (2006.01) B41M 5/165 (2006.01)

Patent

CA 2491553

A copying sheet (CB), comprising a first layer (1) with an incorporated, especially micro-encapsulated solvent (S), and a second layer (2) containing at least one color agent (3), wherein upon an outer influence or action, the solvent (S) of said first layer (1) may penetrate said second layer (2) at the position where the outer influence or action is applied, whereby said at least one color agent of the second layer (3) is at least partially releasable by said solvent (S). In a preferred embodiment, the first layer (1) comprises an additional color agent (4), especially a leuco dye.

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