Microcapsules of pressure-sensitive copying paper

C - Chemistry – Metallurgy – 07 – C

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42/15, 260/680.6

C07C 13/573 (2006.01) B41M 5/165 (2006.01)

Patent

CA 1310667

Abstract of the Disclosure A dye solvent useful as a material for microcap- sules necessary for the manufacture of pressure- sensitive manifold paper. This solvent essentially consists of a hydroaromatic compound for pressure- sensitive manifold paper. The compound is a polycyclic aromatic compound with three or more aromatic rings, some of which rings have been hydrogenated and exhibits solvency, particularly, for a black pigment and a blue pigment of leuco dye.

577669

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