Enteric coated tablets and preparation process thereof

A - Human Necessities – 61 – K

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167/169

A61K 47/00 (2006.01) A61K 9/28 (2006.01)

Patent

CA 1157378

PRECIS DE LA DIVULGATION L'invention concerne des comprimés à délitescence colique, caractérisés en ce qu'ils sont constitués d'un noyau renfermant le principe actif, recouvert successivement : a) d'une première couche d'enrobage composée d'un produit fil- mogène inaltérable en milieu neutre ou alcalin et de cellulose microcristalline et, b) d'une deuxième couche d'enrobage com- posée d'un agent d'enrobage entérique, ainsi que leur procédé de préparation. Les comprimés selon l'invention confèrent au principe actif un effet retardé et un effet local en milieu du colon.

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