Multiple copy thermal record sheet

Details Multiple copy thermal record sheet Multiple copy thermal record sheet

B - Operations, Transporting

41

M

42/6

B41M 5/26 (2006.01)

Patent

CA 1217338

MULTIPLE COPY THERMAL RECORD SHEET Abstract of the Disclosure A thermal-sensitive record sheet copy system provides multiple copies by applying a coating to one record sheet. The single coating formulation includes ingredients which react to heat to provide a tacky condition having a desirable adhering property and thereby produce images on the two sheets. The coating includes a binder of synthetic polyterpene in the mixture in combination with a thermochromic dye and a phenolic resin.

449356

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