POLYMERIC ENCAPSULATION PRODUCTS CONTAINING QUATERNARY AMMONIUM SALT, AND METHODS FOR PREPARING Russian patent published in 2011 - IPC A61K8/11 A61K8/49 A61K8/73 A61Q11/00 

FIELD: medicine.

SUBSTANCE: present invention refers to medicine, and describes an oral care composition containing cetylpyridinium chloride encapsulated in polymeric microcapsules of an average diameter ranging within 5 to 50 microns where the polymeric microcapsules contain chitosan. There are also described methods for producing cetylpyridinium chloride encapsulated in the polymeric microcapsules of the average diameter ranging within 5 to 50 microns, a method for preparing an antimicrobial dentifrice, a personal hygiene product containing cetylpyridinium chloride encapsulated in a polymeric microcapsule, and also a polymeric microcapsule encapsulating cetylpyridinium chloride, where the polymeric microcapsule has the diameter ranging within 5 to 50 microns.

EFFECT: group of inventions provides good environmental protection of an active ingredient by means of the polymeric microcapsule, thereby providing prolonged release profiles of the active ingredient during a considerable period of time.

14 cl, 4 tbl, 6 dwg, 2 ex