Aqueous Disinfectant for Glasses Preventing Material Damage
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Solution Overview
Problem
Conventional disinfectant solutions for glasses, such as those containing ethyl alcohol or sodium hypochlorite, are too aggressive for the materials used in glasses and can cause irreversible damage, and are also flammable, posing risks to road safety and eye health.
Innovation Solution
An aqueous disinfectant composition comprising imidazolidinyl urea, o-cymen-5-ol, and cetrimonium chloride, optionally with methylchloroisothiazolinone and methylisothiazolinone, which is effective against viral and microbial pathogens, including COVID-19, without damaging glass materials and is non-flammable.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional disinfectant solutions (ethyl alcohol or sodium hypochlorite) are used for glasses, then disinfection effectiveness is improved, but damage to glass materials and flammability risk increase
Solution Approach 1:
The patent changes the chemical composition parameters by replacing aggressive disinfectants (ethyl alcohol, sodium hypochlorite) with a milder formulation containing imidazolidinyl urea, o-cymen-5-ol, and cetrimonium chloride. This parameter change maintains disinfection effectiveness while eliminating material damage and flammability risks
Solution Approach 2:
The patent introduces an intermediary substance (aqueous solution with specific active ingredients) that mediates between the need for effective disinfection and the requirement to protect delicate glass materials. This intermediary formulation achieves viral elimination without the harmful effects of conventional disinfectants
2Speed
If concentrated ethyl alcohol solutions are used for disinfection, then disinfection speed is improved, but flammability risk increases
Solution Approach 1:
The patent changes the chemical parameter by substituting concentrated ethyl alcohol with an aqueous solution containing imidazolidinyl urea, o-cymen-5-ol, and cetrimonium chloride. This substitution eliminates flammability while maintaining effective disinfection action
3Reliability
If aggressive disinfectants are used to eliminate viruses and bacteria, then pathogen elimination is improved, but glass material integrity deteriorates
Solution Approach 1:
The patent modifies the chemical composition parameters by replacing aggressive agents (sodium hypochlorite, concentrated alcohol) with a gentler formulation. The new composition achieves complete viral and bacterial elimination while preserving the integrity of glass, metal, plastic, and coating materials
Solution Approach 2:
The patent converts the potentially harmful effect of strong disinfectants into a beneficial mild formulation that is effective against pathogens yet gentle on materials. The aqueous-based composition with specific active ingredients provides this dual benefit
Data Source
AI summary
The object of the invention is an aqueous disinfectant composition for glasses comprising the following active substances: a) imidazolidinyl urea, b) o-cymen-5-ol, c) cetrimonium chloride. Preferably, said aqueous disinfectant composition for glasses father comprises d) methylchloroisothiazolinone and e) methylisothiazolinone.