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Method of tagging substrate

A substrate and marking technology, applied in the field of anti-counterfeiting

Active Publication Date: 2018-08-28
OMYA INT AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, these security elements are visible to the naked eye under certain conditions and can therefore be easily identified by potential counterfeiters

Method used

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  • Method of tagging substrate
  • Method of tagging substrate
  • Method of tagging substrate

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0291] A marked substrate was produced by applying one of the liquid treatment compositions L1 and L2 onto the substrate S1. This is done by continuously applying the treatment composition to the substrate S1 at room temperature at a distance of about 15 cm from the outer surface using an air brush connected to an internal pressure line. The air brush operates at a pressure of 2 bar. The type and amount of liquid treatment composition applied are shown in Table 1 below. After the liquid treatment composition has been dried, the resulting surface-modified area is over-coated with an opaque topcoat formulation comprising the pigment and binder described above. Coating was performed using a laboratory tabletop bar coater (K202 Control Coater, RK PrintCoat Instruments Ltd., UK). The coating formulation consisted of 100 pph pigment and 8 pph binder, where "pph" values ​​are based on weight. For 14g / m 2 The coating weight of the coating formulation has a solids content of 65% by...

Embodiment 2

[0319] By adding 6ml / m 2 An amount of liquid treatment composition L1 is applied to substrate S2 to produce a marked substrate. This is done by continuously applying the treatment composition to the substrate S2 at room temperature at a distance of about 15 cm from the outer surface using an air brush connected to an internal pressure line. The air brush operates at a pressure of 2 bar.

[0320] After the liquid treatment composition has been dried, the resulting surface modified area is overcoated with an opaque topcoat formulation comprising the above-described pigment and binder. Coating was performed using a laboratory table top bar coater (K202 Control Coater, RK Print Coat Instruments Ltd., UK). The coating formulation consisted of 100 pph pigment and 8 pph binder, where "pph" values ​​are based on weight. The solids content of the coating formulation was 42% by weight, based on the total weight of the coating formulation, and the coating weight obtained was 7 g / m 2 ...

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Abstract

The present invention relates to a method of tagging a substrate with a covert, spectroscopically detectable security feature, wherein a liquid treatment composition comprising at least one acid is deposited onto a substrate, which comprises at least 5one external surface comprising a salifiable alkaline or alkaline earth compound.

Description

technical field [0001] The present invention relates to the field of anti-counterfeiting methods, and more particularly to a method of marking a substrate with a covert security feature, the marked substrate obtainable by said method and the use thereof. Background technique [0002] Product and brand piracy is a widespread and worldwide concern that results in commercial loss for the affected company and can reduce brand value and corporate reputation. According to the EU Customs Enforcement Report on Intellectual Property Rights published by the EU in 2014, a significant increase in counterfeiting was noted for the following categories: food, alcoholic beverages, jewelry and other accessories, mobile phones, CD / DVD, toys and games, pharmaceuticals, auto parts and accessories and office stationery. Products such as ink cartridges and toners, sporting goods, cigarettes and other tobacco products, machines and tools, lighters, labels, markings and stickers, and textiles are ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D21H21/40D21H21/44B41M3/14D21H19/82D21H21/42D21H21/48B42D25/30B42D25/29
CPCB41M3/14D21H19/82D21H21/40D21H21/44D21H21/48G07D7/12B42D25/378B42D25/36B42D25/30B42D25/29G07D7/1205D21H21/42B41M3/144B42D25/355
Inventor R·博尔斯托姆P·胡恩兹科尔P·A·C·伽尼
Owner OMYA INT AG