Nichtfluoreszierendes, nichtfälschbares Sicherheitspapier und erhaltenes Dokument.

摘要

Papermaking and stationery.
The nonfluorescent security paper in accordance with the invention is characterised in that it comprises, on its surface and/or within its bulk, a cobalt(II) or (III) salt which is at least partially soluble in aqueous phase.
Application to security papers.