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A support (carrier, substrate) material in the form of a web for a thermosensitive recording layer having a surface of high smoothness or extremely low roughness and carrying a coating containing colourless reactants, such as dye precursors, which cause a colour-change reaction on exposure to heat,...

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Bibliographic Details
Main Author TAKAYAMA, YUKIO
Format Patent
LanguageDanish
Published 18.05.1998
Edition5
Subjects
COLOUR PRINTING
LINING MACHINES
PERFORMING OPERATIONS
PRINTING
PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES
STAMPS
TRANSPORTING
TYPEWRITERS
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Summary:A support (carrier, substrate) material in the form of a web for a thermosensitive recording layer having a surface of high smoothness or extremely low roughness and carrying a coating containing colourless reactants, such as dye precursors, which cause a colour-change reaction on exposure to heat, contains at least one watermark (2) in the support material (1).
Bibliography:Application Number: DK19940100255T