发明名称 Tooth brush.
摘要 <p>This is an invention of a dental brush characterized by comprising a dispersed thermochromic material in its head and/or bristles, in such a manner that a change in coloration of these elements occurs in a time which the user associates to the minimum adequate time for a good brushing.</p>
申请公布号 EP0610072(A1) 申请公布日期 1994.08.10
申请号 EP19940300762 申请日期 1994.02.02
申请人 JOHNSON & JOHNSON CONSUMER PRODUCTS, INC. 发明人 RANGEL, FABIO EDUARDO FRANCA;SIMIONATO, LUIZ BELLINO
分类号 A46B5/00;A46B3/22;A46B15/00;A46D1/00;A61K8/02;A61Q11/00;(IPC1-7):A46B15/00 主分类号 A46B5/00
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