Zyma Sa

Zyna Sa

Kimon Ventouras

A water-dispersible tablet essentially consisting of

Galenical formulation

Pellets which can be used in liquid oral formulations of drugs are presented. They comprise (a) a core, containing microparticles of at least one pharmaceutically active substance, (b) optionally one or more coating layer(s) and (c) a swellable outer layer. They are manufactured by methods known per se.

Swellable pellets

Controlled release tablet

A granular delayed-release form of pharmaceutically active substances, which is prepared by coating a granulated or crystalline pharmaceutically active substance, or mixtures thereof, with a coating material mixture consisting essentially of a homogeneous mixture of a poly(H+meth)-acrylic acid-(methyl+ethyl)ester which is insoluble but dispersible in water and an ethyl cellulose which is insoluble but dispersible in water in the weight ratio of 20:1 to 1:5, is presented, which is characterized by the fact that the coated granules are heated for at least 5 minutes at elevated temperatures ranging from between 50.degree. to 120.degree. C.

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Le Lignon, Switzerland

Kimon Ventouras