ENTERIC COATING LIQUID CONTG. OXYCARBOXYLIC-ACID- CELLULOSE

摘要

An aqueous enteric coating liquid having a good dispersion stability and a good resistance to gastric juice comprising an alkali metal salt of an acid having a acid dissociation constant of at least 3 at 25 DEG C. and a water-insoluble oxycarboxylic acid type cellulose derivative dispersed in water or a mixture of water and at most 20% by weight of a lower alcohol.