Manufacture of highlighted intagliated articles

Details Manufacture of highlighted intagliated articles Manufacture of highlighted intagliated articles

1983-05-31

1985-06-11

Silverberg, Sam

Coating processes

Fraud or tamper detecting

424 31, A61K 900

Patent

active

045228400

ABSTRACT:
Process for manufacturing colored solid articles, e.g. pharmaceutical tablets, bearing at least one highlighted intagliation, which comprises (1) either (A) applying to said articles a film coating suspension comprising at least one defined optically anisotropic substance and at least one film coating agent, or (B) applying to said articles a suspension comprising at least one defined optically anisotropic substance but no film coating agent, and then (2) spraying the resulting articles with a solvent, and in which both of the steps (1) and (2) are carried out in a conventional film coating apparatus.

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