Markings and method of producing the same
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United States of America Patent
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Jun 14, 2011
Grant Date -
Jun 19, 2008
app pub date -
Mar 8, 2006
filing date -
Mar 9, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
The invention relates to a method for producing a visually identifiable diffractive pattern on a substrate by subjecting the substrate to pressure by bringing it into contact with a surface of an embossing plate. An imprinted paper or paperboard sheet, which is varnished at the contacting area of the embossing plate and the substrate is used as a substrate for the embossing. The invention relates also to a product manufactured using the described method. The method is applicable, for example, for common packaging materials, which contain a paperboard, imprinting and a varnish layer for producing a visually attractive and unique marking.
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