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Title:
USE OF HUMIDITY STABLE YELLOW FLUORESCENT PIGMENTS IN SECURITY APPLICATIONS
Document Type and Number:
WIPO Patent Application WO/2012/051129
Kind Code:
A3
Abstract:
Yellow and yellow-green fluorescent compounds are provided herein that can be incorporated into carriers (e.g., inks) and applied (e.g., printed) as security features on substrates (e.g., documents). The compounds can be selected based upon their resistance to humidity, and preferably exhibit a high initial fluorescence intensity, and a relatively high fluorescence intensity as well as a low relative intensity loss after prolonged humidity exposure.

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Inventors:
POTRAWA THOMAS R (US)
Application Number:
PCT/US2011/055665
Publication Date:
July 19, 2012
Filing Date:
October 11, 2011
Export Citation:
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Assignee:
HONEYWELL INT INC (US)
POTRAWA THOMAS R (US)
KESSLER MICHAEL (US)
International Classes:
B41M3/14; B41M5/36; B42D15/00
Foreign References:
EP1887527A12008-02-13
US7121203B22006-10-17
US20060011730A12006-01-19
US6683124B22004-01-27
Other References:
See also references of EP 2627518A4
Attorney, Agent or Firm:
BEATUS, Carrie et al. (Patent Services M/S AB/2B101 Columbia Road,P. O. Box 224, Morristown NJ, US)
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