<p>A process for making various plastics identifiable, in which each plastic is provided with a plurality of fluorescent dyes which differ through their emission frequency and/or through the fluorescence duration, so that each plastic can unambiguously be assigned a fluorescence pattern which differs through the fluorescence duration and/or the frequencies which have appeared. <IMAGE></p>
申请公布号
EP0566948(B1)
申请公布日期
1996.09.11
申请号
EP19930105949
申请日期
1993.04.13
申请人
BAYER AG
发明人
BECKER, ARNO, DR.;LUTTERMANN, KLAUS;CLAUSSEN, UWE, DR.;ORTH, PETER, DR.;HEILIGER, LUDGER, DR.;EL SAYED, AZIZ DR.