WEB SUBSTRATE HAVING ACTIVATED COLOR REGIONS IN TOPICAL ADDITIVE REGIONS

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专利权人:

发明人:

申请号：

EP11715143.1

公开号：

EP2560594A1

申请日:

2011.04.07

申请国别(地区):

EP

年份:

2013

代理人:

摘要：

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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