发明名称 |
Method of producing color change in a substrate |
摘要 |
The present invention relates to a method of producing color change in a substrate. The substrate includes an activatable colorant and a region that is heated prior to activating the activatable colorant. The substrate is exposed to electromagnetic radiation producing a first activated color region in the heated region and a second activated color region in a non heated region. The first activated color region appears in a different shade than the second activated color region.
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申请公布号 |
US8460597(B2) |
申请公布日期 |
2013.06.11 |
申请号 |
US201113053894 |
申请日期 |
2011.03.22 |
申请人 |
MULLANE TIMOTHY IAN;ARORA KELYN ANNE;THE PROCTER & GAMBLE COMPANY |
发明人 |
MULLANE TIMOTHY IAN;ARORA KELYN ANNE |
分类号 |
B29C59/16 |
主分类号 |
B29C59/16 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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