TIME RELEASE DELIVERY SYSTEM

摘要

A system to deliver a treating agent to a surrounding environment comprising a bead like, substantially spherical preparation (12), wherein a treating agent (14) is surrounded by and encapsulated within a biodegradable material (16). The biodegradable material biodegrade at a rate that will slowly and continuously release the treating agent or agents to the surrounding environment. An example of the method of the present invention is described for the treatment of wood supporting structure to prevent their decay and rotting the earth. The method is particularly advantageous for treating wood supporting structures including, but not limited to: telephone poles, utility poles, pilings, railrod ties, foundations and other building supports and the like.