Thermal paper with security features

Details Thermal paper with security features Thermal paper with security features

1998-06-30

2000-05-09

Hess, Bruce H.

Record receiver having plural interactive leaves or a colorless

Having a colorless color-former, developer therefor, or...

427150, 427152, 428690, 503207, 503226, B41M 540

Patent

active

060604263

ABSTRACT:
Thermosensitive recording materials, such as thermal papers, with near infrared flourescent (NIRF) compounds as a security feature and methods for preparing thermal papers with NIRF compounds as a security measure, wherein the NIRF compounds do not react with the reactive components of the thermosensitive recording materials and are preferably shielded from contact with ambient air.

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Database WPI, Section Ch, Week 9418, Derwent Publications Ltd., London, GB, Class G05, AN 94-147585, XP002103332 & JP 06 092074 A (Mitsubishi Paper Mills Ltd.), Apr. 5, 1994.
U.S. Patent Ser. application No. 09/153,588; filed Sep. 15, 1998, which is a CIP of U.S. Pat. Ser. application No. 09/107,362; filed Jun. 30, 1998, abandoned Sep. 15, 1998, entitled "Print Media with Near Infrared Fluorescent Sense Mark and Printer Therefor", by inventor Yaoping Tan et al., assigned to NCR Corporation.
U.S. Patent application Ser. No. 09/108,133, filed Jun. 30, 1998, entitled "Flexographic Security Ink with Near Infrared Fluorophores", by inventor Yaoping Tan et al., assigned to NCR Corporation.

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