Fluorescent latent image transfer film, fluorescent latent image transfer method using the same, and security pattern formed matter

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United States of America Patent

PATENT NO 6368684
SERIAL NO

09373442

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An object is to provide a fluorescent latent image transfer film which makes it possible to form a fluorescent latent image excellent in transferability and gradiation-property; a fluorescent latent image transfer method using the same; and a security pattern formed matter. To attain the object, there are provided a fluorescent latent image transfer film wherein a fluorescent ink layer formed of a resin binder comprising a fluorescent agent represented by the following formula (1) is formed on one surface of a heat-resistant substrate film; and a fluorescent latent image transfer method comprising the steps of putting this fluorescent latent image transfer film onto a transfer receiving material; heating the resultant in any pattern from the heat-resistant substrate film side of the fluorescent latent image transfer film by means of a heating element to transfer the fluorescent ink layer of the fluorescent latent image transfer film, correspondingly to the pattern of the heating element, onto the transfer receiving material, thereby forming a fluorescent latent image composed of the fluorescent agent on the transfer receiving material. ##STR1## wherein R1 is ##STR2## (n is a positive integer), and R2 and R3 each represents H or an alkyl group.

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Patent Owner(s)

Patent OwnerAddress
DAI NIPPON PRINTING CO LTD1-1-1 ICHIGAYA KAGACHO SHINJUKU-KU TOKYO 1628001 ?1628001

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Onishi, Jiro Tokyo-to, JP 14 185
Oshima, Katsuyuki Tokyo-to, JP 87 1040

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