Topical Disinfectant Composition with Ester Moisturizer

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Solution Overview

Problem

There is a need for effective compositions and methods to inhibit the transmission of infectious diseases by preventing or reducing the survival and proliferation of microbes on surfaces, particularly in high-touch areas, with a focus on user-friendly solutions that are applicable in various environments, especially in the context of the COVID-19 pandemic.

Innovation Solution

A topical disinfectant composition comprising ethyl alcohol, chlorhexidine, an ester-containing moisturizer such as gluconolactone, and water, which may also include a surfactant like lauramine oxide, preservative like sodium benzoate, and colloidal silver, applied to surfaces or skin areas to sanitize and increase resistance to microbe transmission, allowing for evaporation or wiping with a drying cloth without the need for rinsing.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Duration of action of stationary object

If conventional sanitizing methods are used, then microbial reduction is achieved, but the protection duration is short and requires frequent reapplication

Engineering Contradiction:

Improveprotection durationVSAvoidfrequency of reapplication

Core Design Contradiction:

Duration of action of stationary objectVSProductivity

Solution Approach 1:

The composition performs preliminary antimicrobial action that creates long-lasting protection on surfaces. The synergistic combination of ethyl alcohol, chlorhexidine, and ester-containing moisturizer establishes a protective state that persists for extended periods, reducing the need for frequent reapplication and maintaining continuous microbial resistance.

Inventive Principle:

Principle #10Preliminary action

2Object-affected harmful factors

If harsh disinfectants are used to kill microbes, then microbial growth is reduced, but the surface becomes dry and less user-friendly

Engineering Contradiction:

Improvemicrobial growthVSAvoiduser-friendliness

Core Design Contradiction:

Object-affected harmful factorsVSEase of operation

Solution Approach 1:

The composition changes the physical-chemical parameters of the surface by incorporating ester-containing moisturizers that modify the surface properties. This creates a balance between antimicrobial efficacy and surface condition, maintaining hydration and user-friendliness while preserving the microbicidal activity of the alcohol and chlorhexidine components.

Inventive Principle:

Principle #35Parameter changes

Solution Approach 2:

The invention uses a composite formulation combining ethyl alcohol, chlorhexidine, and ester-containing moisturizer. This composite material integrates the microbicidal properties of the antimicrobial agents with the conditioning properties of the moisturizer, achieving both microbial reduction and improved surface feel simultaneously.

Inventive Principle:

Principle #40Composite materials

3Object-affected harmful factors

If alcohol-based sanitizers are used, then microbial transmission is reduced, but the composition dries out skin and surfaces rapidly

Engineering Contradiction:

Improvemicrobial transmissionVSAvoidmoisture loss

Core Design Contradiction:

Object-affected harmful factorsVSLoss of substance

Solution Approach 1:

The ester-containing moisturizer acts as an intermediary substance between the alcohol-based antimicrobial agents and the surface/skin. It mediates the interaction by reducing the drying effect of the alcohol while allowing the chlorhexidine and alcohol to maintain their microbicidal activity, thus protecting against microbial transmission without excessive moisture loss.

Inventive Principle:

Principle #24Intermediary (Mediator)

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 composition effectively reduces microbial growth on surfaces and skin, providing long-lasting protection against microbial contamination, even in high-touch areas, with demonstrated durability extending beyond standard handwashing or conventional sanitizing methods.

Implementation Method 1

either permitting the ethyl alcohol and the water to evaporate

Methodology Applied

Scientific EffectEvaporation: Evaporation

Data Source

PatentUS20240382402A1Composition for preventing or reducing microbes on a surface

Publication Date: 2024.11.21 RING- CO HEALTH LLC

AI summary

Topical disinfectant compositions for sanitizing skin or other surfaces or increasing the surfaces' resistance to microbe transmission according to certain embodiments include ethyl alcohol, chlorhexidine, an ester-containing moisturizer and water, and optionally also include one or more of a surfactant, a preservative, colloidal silver and hydrogen peroxide. Alternative topical disinfection compositions for sanitizing skin or other surfaces or increasing the surfaces' resistance to microbe transmission include hydrogen peroxide, chlorhexidine, an ester-containing moisturizer and water, and optionally also include one or more of a surfactant, a preservative and colloidal silver.