| 申请日期 | 2026-03-08 | 申请号 | US10499865 |
| 公开（公告）号 | US20040262575A1 | 公开（公告）日 | 2004-12-30 |
| 公开国别 | US | 申请人省市代码 | 全国 |
| 申请人 | POTRAWA THOMAS; SCHULZ JOACHIM | ||
| 简介 | Rare earth metal compounds are described which, due to their luminescence when irradiated with UV light, are suitable in particular for the marking of security-relevant items, such as documents or data carriers. | ||
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