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公开(公告)号：US20180148586A1
公开(公告)日：2018-05-31
申请号：US15576005
申请日：2016-05-31
Applicant: BASF SE
Inventor： Hans REICHERT , Yves BRON , Helmut REICHELT , Oliver SEEGER
IPC: C09D11/037 , C09D11/101 , C09D11/033 , B42D25/382 , B42D25/41 , B41M3/14
Abstract: The present invention relates to the use of specific naphthalocyanine chromophores with different axial substituents as almost colourless IR absorbers for security printing applications.
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