AU2015377223A1 — Layered sustained-release microbeads and methods of making the same

USPTO Abstract

A layered microbead suitable for incorporating into a non-prescription consumable product is disclosed. The layered microbead may include a core and at least one active ingredient layer encapsulating the core. The active ingredient in the core can be different from the active ingredient in the encapsulating layer. The active ingredient in the core can be selected to counteract or enhance the effect of the active ingredient in the encapsulating layer. The layered microbead can further incorporate microspheres of active ingredient surrounded by polymer material. Method of manufacturing microspheres and microbeads are also described.