Patent ID: 7045184
Filing Date: 2006-05-16
Classification: A01N,A61K,A61Q,C08K,C08L,C09D,Y10T

Abstract:
1. A capsule comprising 90–97% by weight of polyvinyl alcohol, 2 to 7% by weight water; a setting system comprising 0.01 to 10% by weight of a hydrocolloid or mixtures thereof; 0.001 to 5% by weight of cations based on the total weight of the capsule; and a sequestering agent selected from the group consisting of ethylenediaminetetraacetic acid, acetic acid, boric acid, citric acid, edetic acid, gluconic acid, lactic acid, phosphoric acid, tartaric acid or salts thereof, metaphosphates, dihydroxyethylglycine, lecithin, beta cyclodextrin and combinations thereof; wherein the capsule has at least one coating thereon made from a substance selected from the group consisting of cellulose acetate phthalate, polyvinyl acetate phthalate, methacrylic acid gelatins, hypromellose phthalate, hydroxypropyl methyl cellulose phthalates, hydroxyalkyl methyl cellulose phthalates and combinations thereof; and has two halves sealed together by a liquid fusion process.