Raed Abu-Reziq;Craig Arlen Martin;Laibin Bruce Yan
发明人:
Laibin Bruce Yan,Craig Arlen Martin,Raed Abu-Reziq
申请号:
US13515166
公开号:
US20120295790A1
申请日:
2010.12.06
申请国别(地区):
US
年份:
2012
代理人:
摘要:
The present invention relates to a microcapsule exhibiting desirable sustained-release properties, which microcapsule comprises a core material comprising an active ingredient encapsulated within a silica shell, characterized in that the outer surface of such silica shell has a layer of a metal selected from Group 2a, Group 8, Group 2b or Group 3a of the Periodic Table bound thereto. In other aspects this invention relates to a method of making such a microcapsule; a pesticidal composition comprising microcapsules comprising a pesticidal active ingredient and a suitable carrier; and to a method of controlling pests comprising applying an effective amount of such a pesticidal composition to a locus where pests are or are expected to be present.