PARTICULATE COMPOSITIONS COMPRISING ACTIVE INGREDIENT IN POLYMER

摘要

Polymeric Compositions and Methods of Producing Them Release of an active ingredient can be controlled, and the active ingredient can be protected from the environment during storage, by distributing it throughout a matrix containing a relatively large amount of polymeric material that is soluble or swellable in aqueous alkali but less soluble or swellable at a lower pH value and which is in the form of a dried oil-in-water emulsion of the polymer or a relatively insoluble partial salt of the polymer with a volatile amine, the full salt of the polymer being relatively soluble. The composition is of particular value for the protection of detergent enzymes