Patent ID: 8759282

Claim:
A bioadhesive water-soluble film comprising, as a film-forming agent, an alginate salt of a monovalent cation or a mixture of alginate salts containing at least one alginate salt of a monovalent cation, the film-forming agent having a mean guluronate (G) content of from 50% to 85% by weight, a mean mannuronate (M) content of from 15% to 50% by weight, a mean molecular weight of from 30,000 g/mol to 90,000 g/mol and being such that an aqueous solution of 10% thereof at a temperature of 20° C. has a viscosity of 100 mPas to 1000 mPas, as measured at a shear rate of 20 rpm by use of a Brookfield viscometer with a spindle No. 2.