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公开(公告)号:US06706761B1
公开(公告)日:2004-03-16
申请号:US10031870
申请日:2001-11-13
IPC分类号: A01N5300
CPC分类号: A01N25/18
摘要: The invention relates to insecticide-comprising polymer-based compositions which, in order to recognize the point in time when the insecticide is exhausted, comprise at least one dye which, after the insecticide has evaporated, turns a different colour.
摘要翻译: 本发明涉及含有杀虫剂的聚合物基组合物,为了识别杀虫剂耗尽的时间点,它包含至少一种染料,其在杀虫剂蒸发后变成不同的颜色。