Multipurpose Cleaner with Cu0 Nanoparticles for Residual Protection
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Solution Overview
Problem
Current disinfectant products lack long-term antimicrobial protection, allowing microorganisms to proliferate on surfaces, posing health risks and contributing to disease transmission.
Innovation Solution
A multipurpose disinfectant cleaner composed of copper nanoparticles in a non-oxidized metallic state (Cu0) and quaternary ammonium, providing a broad-spectrum antimicrobial effect through oxidative reactions, adhering to surfaces and maintaining protection for at least 7 days.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Duration of action of moving object
If conventional disinfectant products are used, then immediate antimicrobial activity is achieved, but long-term residual protection is lost
Solution Approach 1:
The patent changes the oxidation state parameter of copper from +2 (in conventional products) to 0 (metallic nanoparticles), which fundamentally alters the release mechanism. This parameter change enables controlled oxidation over time, providing sustained copper ion release and prolonged antimicrobial protection rather than immediate but short-lived action.
Solution Approach 2:
The patent creates a composite system combining copper nanoparticles in metallic state with quaternary ammonium compounds. This composite approach synergizes the immediate biocidal action of quaternary ammonium with the prolonged residual effect of slowly oxidizing copper nanoparticles, achieving both immediate efficacy and long-term protection.
2Speed
If high concentrations of antimicrobial agents are used, then rapid microbial elimination is achieved, but residual protection duration is reduced
Solution Approach 1:
The patent applies preliminary action by depositing copper nanoparticles in metallic state onto surfaces before microbial challenge. These nanoparticles serve as a reservoir that gradually releases copper ions over time, providing both immediate protection upon application and sustained residual protection, thereby extending the effective duration without requiring continuously high concentrations.
Solution Approach 2:
By changing the oxidation state of copper to 0 (metallic), the patent creates a slow-release mechanism. The nanoparticles oxidize gradually from Cu0 to Cu2+, releasing ions at a controlled rate that maintains effective concentrations over extended periods, thus extending duration without sacrificing initial efficacy.
3Reliability
If surfaces are cleaned frequently to prevent microbial proliferation, then hygiene is maintained, but resource consumption and environmental impact increase
Solution Approach 1:
The patent implements self-service by creating surfaces that actively protect themselves through the controlled oxidation of deposited copper nanoparticles. The nanoparticles continuously release copper ions that maintain antimicrobial activity, enabling surfaces to protect themselves without requiring frequent reapplication of disinfectants, thereby reducing resource consumption and environmental impact.
Solution Approach 2:
The patent establishes continuity of useful action through the sustained release of copper ions from nanoparticles over extended periods (days to weeks). This continuous low-level release maintains residual protection on surfaces, eliminating the need for repeated cleaning cycles and reducing overall substance consumption while maintaining hygiene reliability.
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 product effectively eliminates >99.999% of bacteria, viruses, and fungi within 5 minutes, with residual protection lasting up to 7 days, reducing microbial load on high-traffic surfaces.
Implementation Method 1
providing a broad-spectrum antimicrobial effect through oxidative reactions
Implementation Method 2
adhering to surfaces and maintaining protection for at least 7 days
Data Source
AI summary
Multipurpose product with prolonged antimicrobial action comprising at least one quaternary ammonium and copper nanoparticles in non-oxidized metallic state (Cu0), where copper nanoparticles in non-oxidized metallic state (Cu0) are found nucleated in at least one quaternary ammonium. A method for producing a multipurpose product with prolonged antimicrobial action.