Invention Grant
- Patent Title: Document authentification
- Patent Title (中): 文件鉴定
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Application No.: US10494120Application Date: 2002-10-21
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Publication No.: US07767315B2Publication Date: 2010-08-03
- Inventor: Poopathy Kathirgamanathan
- Applicant: Poopathy Kathirgamanathan
- Applicant Address: DE Darmstadt
- Assignee: Merck Patent GmbH
- Current Assignee: Merck Patent GmbH
- Current Assignee Address: DE Darmstadt
- Agency: Andover-IP-Law
- Agent David Silverstein
- Priority: GB0126065.2 20011031
- International Application: PCT/GB02/04761 WO 20021021
- International Announcement: WO03/038010 WO 20030508
- Main IPC: C09K11/06
- IPC: C09K11/06 ; B41M5/00

Abstract:
A method producing authenticatable documents by incorporating a fluorescent organometallic complex in the toner or in the paper in which the fluorescent organometallic complex gives off light with a characteristic spectrum when exposed to UV light.
Public/Granted literature
- US20050019603A1 Document authentification Public/Granted day:2005-01-27
Information query