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公开(公告)号:US20200087217A1
公开(公告)日:2020-03-19
申请号:US16519766
申请日:2019-07-23
申请人: Uzin Utz AG
发明人: Timo Joechle , Markus Gretz , Alexander Jung , Johannis Tsalos
摘要: The present invention relates to a dye mixture for determining the readiness for covering of levelling compounds, and also an application device which includes such a dye mixture. The present invention further relates to the use of the dye mixture for determining the readiness for covering of levelling compounds.