Gelatin coated medicament and process for making same
AssigneesPharmacia & Upjohn Company, L. Perrigo Company
InventorRobert Wu-wei Shen
Life of this patent
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Abstract
This invention relates to coated medicaments and a process for providing spray coated gelatinous coverings for such medicaments. This invention is also directed to novel gelatinous compositions for spray coating tablets, caplets, pellets, granules and the like.
Claims18
The method of spray coating solid pharmaceutical medicaments which comprises tumbling said medicament in a rotating coating pan apparatus and applying to the surface of said medicament, by an air atomization spray gun at an inlet temperature of less than 40.degree. C. and outlet temperature of 20.degree. C. or less, a gelatin solution consisting essentially of less than 35% w/w gelatin, 2-20% w/w triacetin, 0.5-10% w/w surface active agent, water and optionally a coloring agent.
The method of spray coating tablet or caplet cores which comprises tumbling said cores in a rotating coating pan apparatus and applying to the surface of said cores, by an air atomization spray gun at an inlet temperature of less than 40.degree. C. and outlet temperature of 20.degree. C. or less, a gelatin solution consisting essentially of less than 35% w/w gelatin, 2-20% w/w triacetin, 0.5-10% w/w surface active agent, water and optionally a coloring agent.
A gelatinous composition adapted for spraying coating tablets, caplets, pellets or granules consisting essentially of less than 35% w/w gelatin, 2-20% w/w triacetin, 0.5-10% w/w surface active agent, water and optionally a coloring agent.
Dependencies are inferred from the claim text.