Security sticker and method for manufacturing the same

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7709417
APP PUB NO 20060211572A1
SERIAL NO

10564875

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The present invention is directed to providing a security sticker which is hard to be counterfeited, cannot be reused if being released and includes a printed image that is stable over a long period of time, and is directed to providing a method for manufacturing the same. The security sticker of the present invention includes: a surface resin layer (A)1 that has a weak affinity with a sublimable dye and allows the dye to penetrate; a print layer (B)2 that contains a low-molecular-weight compound with a molecular weight of 1300 or less in an amount of 0% to 20 wt % inclusive, has an affinity with the dye, and includes an image formed in a thickness direction of the layer by the dye; a self-destructive film layer (C1)3; and a pressure-sensitive adhesive layer (D1)4 in this order, wherein the self-destructive film layer (C1) includes a dye migration preventive resin layer (E) for preventing migration of the dye and a self-destructive layer (F), and the dye migration preventive resin layer (E) is a resin layer containing a certain kind of a vinyl resin as a main component, or a certain kind of a biaxially stretched film.

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Patent Owner(s)

Patent OwnerAddress
KIWA CHEMICAL INDUSTRY CO LTD33 MINAMITANABE-CHO WAKAYAMA-SHI WAKAYAMA 640-8254

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Yukawa, Shigeo Wakayama, JP 7 99

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