Direct coating solid dosage forms using powdered materials

Details Direct coating solid dosage forms using powdered materials Direct coating solid dosage forms using powdered materials

A - Human Necessities

61

J

A61J 3/06 (2006.01)

Patent

CA 2617190

The present invention provides a method and apparatus for dry coating solid dosage forms. The method includes the steps of placing solid dosage forms in a rotatable, electrically grounded housing, and spraying a film forming polymer powder composition into the housing during rotation thereof to form a polymer coating on the solid dosage forms, the polymer powder composition being sprayed using an electrostatic spray gun, and curing the coated solid dosage forms.

L'invention concerne un procédé et un appareil d'enrobage à sec de formes posologiques solides. Le procédé de l'invention comprend les étapes consistant : à positionner des formes posologiques solides dans un logement rotatif relié à la terre ; et à pulvériser une composition pulvérulente polymère filmogène dans le logement pendant la rotation de ce dernier afin que soit formé un enrobage polymère sur lesdites formes posologiques solides, la composition pulvérulente polymère étant pulvérisée au moyen d'un pistolet de pulvérisation électrostatique ; et à faire durcir les formes posologiques solides enrobées.

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