USE OF COMPOSITION TO REDUCE WEEPING AND MIGRATION THROUGH WATER SOLUBLE FILM Russian patent published in 2017 - IPC C11D3/43 C11D3/40 C11D1/02 C11D17/04 

FIELD: chemistry.

SUBSTANCE: invention relates to application of a composition comprising anionic surfactant and a solvent system containing at least one primary solvent having Hansen solubility parameter (δ) below 29, the said composition being encapsulated in a water soluble film pouch. The pouch material contains polyvinyl alcohol to control migration and weeping of the said composition through a water soluble film.

EFFECT: invention provides a means of reducing and controlling the level of weeping and migration of a composition or components of the composition through the film.

20 cl, 8 tbl, 5 ex