Printed matter – Having revealable concealed information – fraud preventer or... – Having specific color
Patent
1997-11-13
1999-07-13
Fridie, Jr., Willmon
Printed matter
Having revealable concealed information, fraud preventer or...
Having specific color
283 95, 283 94, B42D 1500
Patent
active
059215852
ABSTRACT:
A blockade seal includes a sheet substrate having a hologram forming surface on one surface thereof. A metallic deposition layer is formed on the hologram forming surface, and an adhesive layer is formed thereon. A releasing layer in which ink is filled is formed on the other surface of the sheet substrate. Ink which exhibits a color when it comes into contact with the atmosphere is filled in the releasing layer. A surface layer is formed on the releasing layer.
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Isaka Isao
Tanaka Takao
Attention System Co., Ltd.
Fridie Jr. Willmon
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