Patent ID: 9168303
Filing Date: 2015-10-27
Classification: A61K,A61P

Abstract:
1. A controlled release intravaginal delivery system for controlled release of one or more liquid carboxylic acids with a pK a of less than 6, the controlled release intravaginal delivery system comprising: the one or more liquid carboxylic acids with a pK a combination of one or more ethylene vinyl acetate (EVA) copolymers and one or more carboxylic non-cationic polymers, wherein the one or more carboxylic non-cationic polymers are selected from the group consisting of methacrylic acid copolymers, cellulose acetate phthalates (CAP), acrylic acid copolymers, alginates, hypromellose acetate succinates (HPMCAS), and copolymers or mixtures thereof, and wherein the controlled release intravaginal delivery system controllably releases the one or more liquid carboxylic acids with a pK