Invention Grant
US08637430B2 Web substrate having activated color regions in topical additive regions 有权
网状基材在局部添加区域中具有活化的颜色区域

Web substrate having activated color regions in topical additive regions
Abstract:
The present invention relates to a web substrate comprising an activatable colorant and at least one region comprising a topical additive. 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 topical additive region.
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