Rapidly soluble film covering based on...

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A - Human Necessities

61

K

A61K 9/28 (2006.01)

Patent

CA 2474934

The invention relates to a rapidly soluble film covering agent for covering solid substrates, comprising a) 10- 90 wt.- % of a polyvinylalcohol-polyether graft copolymer (component A), b) 5- 80 wt.- % of at least one additional component containing at least one functional group selected from the group containing hydroxy, amide and ester functions (component B), and c) 0- 70 wt.- % of additional standard coating components (components C).

L'invention concerne un agent de revêtement sous forme de film rapidement soluble utilisé pour recouvrir des substrats solides, constitué de : a) 10 - 90 % en poids d'un copolymère greffé polyvinylalcool-polyéther (composant A) ; b) 5 - 80 % en poids d'au moins un autre composant qui présente au moins un groupe fonctionnel sélectionné parmi les fonctions hydroxy, amide et ester (composant B) ; et c) 0 - 70 % en poids d'autres composants de revêtement habituels (composants C).

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