Sheet- and roll-shaped copying material, process for its...

Details Sheet- and roll-shaped copying material, process for its... Sheet- and roll-shaped copying material, process for its...

B - Operations, Transporting

41

M

42/15

B41M 5/132 (2006.01)

Patent

CA 1131910

Abstract of the Disclosure A pressure sensitive copying element in the form of a web having on one side a color forming coating containing a mixture of alkanes of m.w. 500-3000 and dispersed therein 0.1 to 10% by weight of an incompatible material which is a cellulose derivative, hydrocarbon resin, melamine resin, phenolic resin, or styrene resin, and a solution of a colour former in a solvent compatible with the material but incompatible with the alkanes. On the other side there may be a colour developing coating containing aluminium oxide together with a binder. - 1 -

326027

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