Patent ID: 8906406

Claim:
A mucoadhesive medicinal preparation for administering active substances in veterinary medicine, containing at least one active substance, wherein the preparation is a mucoadhesive matrix disintegratable in aqueous media, which matrix contains a mixture of matrix-forming polymers which mixture comprises sodium carboxymethyl cellulose, polyvinyl alcohol and hydroxypropylmethyl cellulose, said matrix being prepared from a solution containing said mixture of polymers, wherein the proportion of said polymers amounts to at least 3%-wt. and maximally 98%-wt. relative to the total preparation, and at least one active substance is dissolved or dispersed in said matrix, and wherein said preparation disintegrates or erodes within maximally 15 minutes after introduction in an aqueous medium or in body fluids, and said medicinal preparation is a wafer having a density between 0.3 g/cm 3 and 1.7 g/cm 3 .