Security papers with unique relief pattern
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 22, 2000
Grant Date -
N/A
app pub date -
Feb 2, 1998
filing date -
Feb 2, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A counterfeit-resistant document comprises a validation mark with relief markings according to a unique pattern that identifies the source of the document. The source of the document can be identified by detecting the unique pattern on the validation mark of the document, thus verifying the authenticity of the document. The validation mark further comprises a unique chemical signature that identifies the source of the document. The source of the document can be identified by detecting the unique chemical signature on the validation mark of the document, thus further verifying the authenticity of the document.
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