Elegant film coating system
AssigneeBPSI Holdings, Inc.
InventorsRita M. Steffenino, Charles F. Vesey, Kurt A. Fegely, Brian D. Korchok, Stuart C. Porter
Life of this patent
Estimating the term…
Abstract
A dry film coating composition for forming a coating suspension for film coating pharmaceuticals, food, confectionery forms, agricultural seeds, and the like, comprises (1) a primary film former, the primary film former comprising low bloom strength gelatin, or hydroxyethyl cellulose, or a combination thereof, and (2) a secondary film former, or a plasticizer, or a surfactant, or a glidant, or a suspension aid, or a colorant, or a flavorant, or a combination thereof.
Claims81
A dry film coating composition for forming a coating suspension for film coating pharmaceuticals, food, confectionery forms, and agricultural seeds, consisting essentially of
- (1) a primary film former, the primary film former comprising low bloom strength gelatin, or hydroxyethyl cellulose, or a combination thereof, and
- (2) a secondary film former, or a plasticizer, or a surfactant, or a glidant, or a suspension aid, or a colorant, or a flavorant, or a combination thereof.
A dry film coating composition for forming a coating suspension for film coating pharmaceuticals, food, confectionery forms, and agricultural seeds, consisting essentially of
- low bloom strength fish gelatin in a range of 50% to 65% by weight of the composition,
- a secondary film former in a range of 20% to about 40% by weight of the composition,
- a surfactant in a range of 1% to 10% by weight of the composition,
- a suspension aid in a range of 2-12%by weight of the composition, and
- a flavorant in a range of 1% to 6% by weight of the composition,
- the secondary film former being sodium alginate, sodium carboxymethlylcellulose, pectin, gelatin, propylene glycol alginate, metlhylcellitlose, polydextrose, polyvinypylTolidone, or combinations thereof,
- the surfactant being soya lecithin, sodium lauryl sulfate, polysorbate 80, polyoxyethylene polypropylene block copolymers, or combinations thereof,
- the suspension aid being xanthan gum, propylene glycol alginate, pectin, or combinations thereof, and
- the flavorant being vanillin, sodium citrate, citric acid, mint, orange, lemon oil, or combinations thereof.
A dry film coating composition for forming a coating suspension for film coating pharmaceuticals, food, confectionery forms, and agricultural seeds, consisting essentially of
- hydroxyethyl cellulose being in a range of 50% to 65% by weight of the composition,
- a secondary film former being in a range of 20% to 40% by weight of the composition,
- a plasticizer being in a range of 4% to 10% by weight of the composition,
- a surfactant being in a range of 1% to 10% by weight of the composition, and
- a flavorant being in a range of 1% to 6% by weight of the composition,
- the secondary film former being sodium alginate, sodium carboxymethylccllulose, pectin, gelatin, propylene glycol alginate, methylccllulose, polydextrose, polyvinypyrrolidonc, or combinations thereof,
- the plasticizer being glycerin, maltitol solution, propylene glycol, polyethylene glycol, triethyl citrate, glyceryl triacetate, or combinations thereof,
- the surfactant being soya lecithin, sodium lauryl sulfate, polysorbate 80, polyoxyetlhylene polyoxypropylene block copolymers, or combinations thereof and
- the flavorant being vanillin, sodium citrate, citric acid, mint, orange, lemon oil, or combinations thereof.
A method of coating pharmaceutical substrates, food substrates, confectionery form substrates, or agricultural seed substrates with a high gloss film coating, consisting essentially of the steps of
- preparing a coating suspension consisting essentially of fish gelatin and water,
- applying an effective amount of the coating suspension onto said substrates to form a film coating on said substrates, and
- drying the film coating on said substrates.
A method of coating pharmaceutical substrates, food substrates, confectionery form substrates, or agricultural seed substrates with a high gloss film coating, consisting essentially of the steps of
- mixing (1) a primary film former, the primary film former consisting essentially of low bloom strength gelatin, or hydroxyethyl cellulose, or combination thereof, and (2) a secondary film former, or a plasticizer, or a surfactant, or a glidant, or a suspension aid, or a colorant, or a flavorant, or a combination thereof, into water to form a coating suspension,
- applying an effective amount of the coating suspension onto said substrates to form a film coating on said substrates, and
- drying the film coating on said substrates.
An aqueous coating suspension for film coating pharmaceuticals, food, confectionery forms, and agricultural seeds, consisting essentially of
- (1) a primary film former, the primary film former comprising low bloom strength gelatin or low bloom strength gelatin and hydroxyethyl cellulose, and
- (2) a secondary film former, or a plasticizer, or a surfactant, or a glidant, or a suspension aid, or a colorant, or a flavorant, or a combination thereof, and
- (3) water.
A method of coating pharmaceutical substrates, food substrates, confectionery form substrates, or agricultural seed substrates with a high gloss film coating, consisting essentially of the steps of
- preparing a coating suspension consisting essentially of hydroxyethyl cellulose and water,
- applying an effective amount of the coating suspension onto said substrates to form a film coating on said substrates, and
- drying the film coating on said substrates.
A method of coating pharmaceutical substrates, food substrates, confectionery form substrates, or agricultural seed substrates with a high gloss film coating, consisting essentially of the steps of
- preparing a coating suspension consisting essentially of low bloom gelatin, hydroxyethyl cellulose, and water,
- applying an effective amount of the coating suspension onto said substrates to form a film coating on said substrates, and
- drying the film coating on said substrates.
A method of coating pharmaceutical substrates, food substrates, confectionery form substrates, or agricultural seed substrates with a high gloss film coating, consisting essentially of the steps of
- mixing (1) a primary film former, the primary film former consisting essentially of low bloom strength gelatin, hydroxyethyl cellulose, or a combination thereof, and (2) a secondary film former, or a plasticizer, or a surfactant, or a glidant, or a suspension aid, or a flavorant, or a combination thereof, into water to form a coating suspension,
- applying an effective amount of the coating suspension onto said substrates to form a film coating on said substrates, and
- drying the film coating on said substrates,
- the film coating having a high gloss without a frost-like appearance.
A method of coating pharmaceutical substrates, food substrates, confectionery form substrates, or agricultural seed substrates with a high gloss film coating, consisting essentially of the steps of
- mixing (1) a primary film former, the primary film former consisting essentially of low bloom strength gelatin, and (2) a secondary film former, or a plasticizer, or a surfactant, or a glidant, or a suspension aid, or a colorant, or a flavorant, or a combination thereof, into water to form a coating suspension,
- applying an effective amount of the coating suspension onto said substrates to form a film coating on said substrates, and
- drying the film coating on said substrates.
A method of coating pharmaceutical substrates, food substrates, confectionery form substrates, and agricultural seed substrates with a high gloss film coating, consisting essentially of the steps of
- mixing (1) a primary film former, the primary film former consisting essentially of hydroxyethyl cellulose, and (2) a secondary film former, or a plasticizer, or a surfactant, or a glidant, or a suspension aid, or a colorant, or a flavorant, or a combination thereof, into water to form a coating suspension,
- applying an effective amount of the coating suspension onto said substrates to form a film coating on said substrates, and
- drying the film coating on said substrates.
A method of coating pharmaceutical substrates, food substrates, confectionery form substrates, and agricultural seed substrates with a high gloss film coating, consisting essentially of the steps of
- mixing (1) a primary film former, the primary film former consisting essentially of low bloom strength gelatin and hydroxyethyl cellulose, and (2) a secondary film former, or a plasticizer, or a surfactant, or a glidant, or a suspension aid, or a colorant, or a flavorant, or a combination thereof, into water to form a coating suspension,
- applying an effective amount of the coating suspension onto said substrates to form a film coating on said substrates, and
- drying the film coating on said substrates.
Dependencies are inferred from the claim text.