The present invention relates to a method to mark the surface of a molded article more specifically to a method to be used as an anti-counterfeit device. The method provides for a molded article with a surface comprising a special mark that is visible under certain conditions and not visible under other conditions.
申请公布号
WO2005007377(A1)
申请公布日期
2005.01.27
申请号
WO2004US21508
申请日期
2004.07.02
申请人
DOW GLOBAL TECHNOLOGIES INC.;TORFS, JAN, C.;RECKTENWALD, DAVID, W.
