Titanium dioxide free white film coating composition, process for preparing the same, and method of use thereof

Abstract

To provide an effective white and bright titanium dioxide free film coating composition that is suitable for coating solid substrates such as tablets, granules, lozenges, candy, or seeds that carry active ingredients.SOLUTION: A titanium dioxide free white film coating composition comprises: (i) from 20 wt.% to 50 wt.% of hydroxypropyl methyl cellulose (HPMC), a water-soluble cellulose ether; (ii) from 5 wt.% to 15 wt.% of carboxy methyl cellulose (CMC), a water-soluble anionic cellulose ether; (iii) from 10 wt.% to 60 wt.% of calcium carbonate (CaCO3); and (iv) from 5 wt.% to 25 wt.% of a plasticizer.SELECTED DRAWING: Figure 8

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