公开(公告)号：US4279213A

公开(公告)日：1981-07-21

申请号：US132344

申请日：1980-03-20

申请人： Yoshiaki Urahama ,  Tetuo Numoto

发明人： Yoshiaki Urahama ,  Tetuo Numoto

IPC分类号： A01N25/10 ,  A01N25/18 ,  A01N25/34 ,  A61L9/04 ,  B32B27/18 ,  G01N31/22 ,  G01N21/17

CPC分类号： G01N31/22 ,  A01N25/18 ,  A01N25/34 ,  A61L9/042 ,  Y10S428/907 ,  Y10S428/913

摘要： In a resin molded controlled-release product which comprises a volatile or elutable active agent dispersed in a substantially transparent and inert resin molded material, the improvement which comprises a colored material located inside or on the back surface of the molded product which is not visible through the product at the initial concentrations of the active agent, but is visible through the resin product at concentrations of the active agent at which the activity of the product is substantially extinct.

摘要翻译： 在包含分散在基本上透明且惰性的树脂模制材料中的挥发性或可洗涤活性剂的树脂模制的控释产品中，其改进包括位于模制产品的内侧或后表面上的着色材料，该着色材料通过 该产品在活性剂的初始浓度下，但是在活性剂的浓度下通过树脂产物可见，其中产物的活性基本上灭绝。