| 发明名称 |
TOOTH BRUSH |
| 摘要 |
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.
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| 申请公布号 |
CA2114707(C) |
申请公布日期 |
2005.05.03 |
| 申请号 |
CA19942114707 |
申请日期 |
1994.02.01 |
| 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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