Layering process and apparatus therefor

Details Layering process and apparatus therefor Layering process and apparatus therefor

A - Human Necessities

61

K

A61K 9/50 (2006.01) A61K 9/16 (2006.01) B01J 2/00 (2006.01) B01J 2/12 (2006.01)

Patent

CA 2333319

The invention concerns a process and apparatus for applying a layer to a pharmaceutical unit such as a seed or tablet which comprises: (a) coating the unit with particles of drug and/or excipient; the unit and the particles optionally being at different electrical potentials such that electrostatic attraction occurs between them; (b) applying to the unit a binding solution; and (c) drying.

L'invention concerne un procédé et un appareil d'application d'une couche sur une unité pharmaceutique telle qu'un germe ou un comprimé et consistant: (a) à revêtir l'unité de particules de médicament et/ou d'un excipient; l'unité et les particules étant facultativement à des potentiels électriques différents de manière qu'entre elles se produise une attraction électrostatique; (b) à appliquer à l'unité une solution de liaison, et (c) à sécher.

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