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US08975210B2 Web substrate having activated color regions in deformed regions 有权
网状基材在变形区域中具有活化的颜色区域

Web substrate having activated color regions in deformed regions
Abstract:
The present invention relates to a web substrate comprising an activatable colorant and at least one deformed region. A first activated color region is produced in the web substrate upon exposure to a first external stimulus and a second activated color region is produced within the first activated color region upon exposure to a second external stimulus. The second activated color region coincides with the deformed region.
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