Nanoparticle Wax Candle for Ozone-Free Air Purification

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Solution Overview

Problem

Current air purification methods are inadequate in effectively neutralizing airborne pathogens without causing harm, requiring significant energy input, and often produce ozone or leave deactivated microorganisms as contaminants.

Innovation Solution

A candle comprising a blend of long-chain, medium-chain, and short-chain waxes with embedded metal nanoparticles, which releases nanoparticles into the air to neutralize microorganisms when burned, utilizing a carefully balanced wax composition and wick design for efficient and safe air purification.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Quantity of substance

If HEPA filters are used to trap particles, then particle removal is improved, but energy consumption increases and pathogen neutralization is not achieved

Engineering Contradiction:
Improveparticle removalVSAvoidenergy consumption
Core Design Contradiction:
Quantity of substanceVSUse of energy by moving object

Solution Approach 1:

The patent replaces mechanical filtration systems (HEPA filters) with a chemical/thermal system using a burning candle. The candle flame generates heat that releases metal nanoparticles into the air, which then chemically interact with and neutralize pathogens through oxidation and cellular disruption, eliminating the need for mechanical particle trapping

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent changes the state of metal from bulk to nanoparticle form through thermal energy from the candle flame. This phase change and size reduction creates highly reactive metal nanoparticles that can effectively neutralize pathogens at low concentrations, achieving pathogen destruction without requiring the high energy input of mechanical filtration systems

Inventive Principle:
Principle #35Parameter changes

2Reliability

If UV-C light purifiers are used to neutralize pathogens, then pathogen neutralization is improved, but safety concerns arise due to UV-C exposure and ozone generation

Engineering Contradiction:
Improvepathogen neutralizationVSAvoidsafety hazards
Core Design Contradiction:
ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The patent uses the natural combustion process of a candle, which normally produces heat and light, to generate metal nanoparticles that have beneficial pathogen-neutralizing properties. The flame's thermal energy transforms metal into reactive nanoparticle form that safely destroys pathogens without creating harmful UV radiation or ozone byproducts

Inventive Principle:
Principle #22Blessing in disguise (Convert harm into benefit)

Solution Approach 2:

The patent introduces metal nanoparticles as an intermediary substance between the candle flame and airborne pathogens. These nanoparticles act as the active agent that directly contacts and neutralizes pathogens through oxidation and cellular disruption, avoiding the need for direct UV-C light exposure that creates safety hazards

Inventive Principle:
Principle #24Intermediary (Mediator)

3Quantity of substance

If ionizers are used to eliminate particulate matter, then particulate removal is improved, but microorganism deactivation is not achieved and ozone production occurs

Engineering Contradiction:
Improveparticulate removalVSAvoidozone production
Core Design Contradiction:
Quantity of substanceVSObject-generated harmful factors

Solution Approach 1:

The patent replaces electrostatic ionization mechanisms with a thermal-chemical system. The candle flame's heat generates metal nanoparticles that chemically neutralize pathogens through oxidation reactions, eliminating the need for electrical ionization that produces ozone as a byproduct

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent utilizes metal nanoparticles, particularly silver and other reactive metals, which are strong oxidizing agents. These nanoparticles accelerate the oxidation of pathogen cell walls and membranes, effectively deactivating microorganisms through enhanced oxidative stress without requiring ozone generation

Inventive Principle:
Principle #38Strong oxidants (Accelerated oxidation)

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 candle provides effective neutralization of bacteria, viruses, and spores by releasing metal nanoparticles that agglomerate and deactivate airborne microorganisms, offering a safe, sustainable, and low-maintenance solution for improving indoor air quality.

Implementation Method 1

Metal nanoparticles, when released into the air, have the ability to agglomerate and neutralize microorganisms

Methodology Applied
Scientific EffectOxidation: Oxidation

Implementation Method 2

A candle comprising a blend of long-chain, medium-chain, and short-chain waxes with embedded metal nanoparticles, which releases nanoparticles into the air to neutralize microorganisms when burned

Methodology Applied
Scientific EffectCombustion: Combustion

Data Source

PatentUS12467016B1Air purification candle
Publication Date: 2025.11.11 GLOW GUARDIAN INC
  • US12467016B1 patent drawing
  • US12467016B1 patent drawing
  • US12467016B1 patent drawing

AI summary

A candle for air purification includes a wax composition includes a blend of long-chain waxes, medium-chain waxes, and short-chain waxes. The long-chain waxes are present in an amount of 0-15% of a total composition of the wax composition, the medium-chain waxes are present in an amount of 60-100% of the total composition of the wax composition, and the short-chain waxes are present in an amount of 0-15% of the total composition of the wax composition. The candle also includes a plurality of metal nanoparticles embedded within the wax composition. The plurality of nanoparticles are less than 50 nm in size and are composed of alloy metals. The candle also includes a wick for burning the wax composition.