Preservative-Free Children Toothpaste Composition

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Solution Overview

Problem

Existing toothpastes for children contain preservatives, which may not be safe due to their weak immune system and sensitive oral mucosa, and the risk of swallowing toothpaste, necessitating a preservative-free alternative that effectively cares for their tender enamel and gums.

Innovation Solution

A preservative-free toothpaste composition comprising vitamin E, vitamin C, calcium glycerophosphate, xylitol, sorbitol, polyethylene glycol, cellulose, hydroxypropyl guar gum, sodium lauryl sulfate, and flavors, with specific weight percentages, providing nourishment and protection to children's teeth and gums without preservatives.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Duration of action of stationary object

If preservatives are added to toothpaste to prevent decomposition and microbial growth, then the shelf life and stability of toothpaste are improved, but the safety of toothpaste for children deteriorates due to potential harmful effects on their sensitive oral mucosa and weak immune system

Engineering Contradiction:
Improveshelf lifeVSAvoidsafety
Core Design Contradiction:
Duration of action of stationary objectVSObject-affected harmful factors

Solution Approach 1:

The patent removes preservatives from the toothpaste formulation entirely, extracting the harmful component while maintaining product stability through alternative means (food-grade ingredients and proper packaging)

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The patent changes the chemical composition parameters by using food-grade ingredients with natural preservative properties and controlling the pH and water activity levels to prevent microbial growth without adding synthetic preservatives

Inventive Principle:
Principle #35Parameter changes

2Object-affected harmful factors

If the toothpaste formulation uses food-grade materials without preservatives to enhance safety, then the safety for children is improved, but the stability and resistance to decomposition deteriorates

Engineering Contradiction:
ImprovesafetyVSAvoidstability
Core Design Contradiction:
Object-affected harmful factorsVSStability of the object's composition

Solution Approach 1:

The patent uses a composite formulation of multiple food-grade ingredients (xylitol, sorbitol, glycerin, natural flavors) that work together to maintain stability and prevent decomposition through their combined natural preservative properties

Inventive Principle:
Principle #40Composite materials

Solution Approach 2:

The patent introduces aluminum foil packaging as an intermediary barrier that protects the preservative-free formulation from external factors causing decomposition, while the food-grade ingredients serve as intermediaries with natural antimicrobial properties

Inventive Principle:
Principle #24Intermediary (Mediator)

3Reliability

If preservatives are used to continuously inhibit microbial growth in insufficiently sterilized toothpaste, then the prevention of decomposition is improved, but the harmful effects on children's sensitive oral mucosa worsen

Engineering Contradiction:
Improveprevention of decompositionVSAvoidharmful effects on oral mucosa
Core Design Contradiction:
ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The patent converts potentially harmful trace contaminants from insufficient sterilization into beneficial effects by using food-grade ingredients with natural antimicrobial properties that safely eliminate microbes without harming oral mucosa

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

Data Source

PatentUS10639265B2Preservative-free toothpaste for children
Publication Date: 2020.05.05 SUZHOU FRESH HEALTH TECH CO LTD

AI summary

The present invention discloses preservative-free toothpaste for children. The composition forming the preservative-free toothpaste for children consists of vitamin, calcium glycerophosphate, xylitol, sorbitol, polyethylene glycol, cellulose, hydroxypropyl guar gum, sodium lauryl sulfate, flavors and deionized water. The composition contains, by weight percentage, 0.01-0.06% of vitamin, 0.1-0.5% calcium glycerophosphate and 0.1-1% of xylitol. The vitamin comprises both vitamin E and vitamin C. In the present invention, vitamin E, vitamin C, calcium glycerophosphate and xylitol are combined in a certain proportion. The vitamin nourishes the children's tender gums. The calcium glycerophosphate provides calcium supplementation to the teeth. The xylitol has a reduced content of sugar, which prevents tooth decay and strengthens the teeth.