Leuco Composition Authentication via Triggering Agent Color Change
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Solution Overview
Problem
The consumer packaged goods industry faces challenges in authenticating products due to the prevalence of counterfeit goods, which can be harmful and detrimental to brands, as existing anti-counterfeiting methods are often ineffective and can alter the product's quality or functionality over time.
Innovation Solution
The development of compositions containing leuco compositions that remain colorless or substantially colorless until exposed to a triggering agent, allowing for a rapid and easy method to detect authenticity without impacting the product's quality or functionality, using a method that includes a leuco compound capable of changing color in the presence of a sufficient triggering agent.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If existing anti-counterfeiting methods (holograms, color-shifting ink, tamper-evident seals) are incorporated into packaging, then product authenticity detection capability is improved, but the packaging complexity and potential product quality impact increase
Solution Approach 1:
The authentication function is extracted from the packaging structure itself and placed into a separate test kit containing the triggering agent. This allows the packaging to remain simple while the authentication capability exists in a standalone component that interacts with the product only when needed for verification.
Solution Approach 2:
A leuco composition is introduced as an intermediary substance that serves as the authentication marker. This composition remains dormant (colorless) during normal product use and only activates (changes color) when exposed to the specific triggering agent in the test kit, providing a clear visual indication of authenticity without affecting the product itself.
2Reliability
If authentication markers are incorporated into the product composition, then authenticity detection is enabled, but the product quality and functionality may be impacted over time
Solution Approach 1:
The leuco composition is designed to resist premature activation by being stable and colorless under normal product storage and usage conditions. It only undergoes color change when exposed to the specific triggering agent, preventing false positives and ensuring the authentication marker remains inert during the product lifecycle.
Solution Approach 2:
The authentication system utilizes a reversible parameter change (color state) that occurs only under specific conditions (exposure to triggering agent). The leuco composition transitions from a colorless state to a colored state upon activation, providing a clear visual signal while maintaining product stability during normal conditions.
3Productivity
If rapid and easy authentication methods are implemented, then detection speed is improved, but measurement precision and reliability may be compromised
Solution Approach 1:
The system employs a dramatic color change (from colorless to distinctly colored) that is easily visible to the human eye, eliminating the need for complex instrumentation. This visual transformation provides immediate and unambiguous authentication results, combining rapid detection with high precision through the use of the leuco composition's inherent color transition properties.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The leuco compositions effectively differentiate authentic from counterfeit products by changing color upon exposure to a triggering agent, providing a reliable and non-invasive authentication method that maintains the product's quality and functionality throughout its lifecycle.
Implementation Method 1
The leuco composition is capable of changing from a colorless or substantially colorless state to a colored state in the presence of a sufficient triggering agent
Data Source
AI summary
The present disclosure provides composition having at least one leuco composition conforming to Formula (I):Ar1Ar2Ar3CH (I)wherein Ar2 and Ar3 are independently a carbocyclic aryl or heteroaryl, and Ar1 is selected from the group consisting of: unsubstituted phenyl, electron deficient carbocyclic aryl, and heteroaryl. The present disclosure also provides a method of detecting an authentic composition and test kits for detecting authentic compositions.