Invention Grant
- Patent Title: Anti-stokes fluorescent material composition
- Patent Title (中): 抗钍荧光材料组成
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Application No.: US10506018Application Date: 2002-12-13
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Publication No.: US07648648B2Publication Date: 2010-01-19
- Inventor: Bianca Bley , Uwe Fischbeck
- Applicant: Bianca Bley , Uwe Fischbeck
- Applicant Address: US NJ Morristown
- Assignee: Honeywell International Inc.
- Current Assignee: Honeywell International Inc.
- Current Assignee Address: US NJ Morristown
- Agent Carrie Beatus
- Priority: DE10208397 20020227
- International Application: PCT/EP02/14254 WO 20021213
- International Announcement: WO03/072682 WO 20030904
- Main IPC: C09K11/75
- IPC: C09K11/75 ; G06K7/12 ; G06K19/10 ; G07D7/12
Abstract:
The invention relates to anti-Stokes fluorescent material compositions which, upon excitation by IR radiation, emits IR radiation without significant quantities of visible blue light being emitted at the same time, and which are therefore suitable as invisible security marks.
Public/Granted literature
- US20050205846A1 Anti-stokes fluorescent material composition Public/Granted day:2005-09-22
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