3-Phenyl Propanol Antimicrobial Preservatives for Low-Irritation Formulations
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Solution Overview
Problem
Current antimicrobial preservatives in personal care, cosmetic, and household products often have limited spectrum coverage, are ineffective at low concentrations, and pose health and environmental concerns, with traditional compounds like sodium benzoate and benzyl alcohol being restricted due to pH limitations and irritation issues.
Innovation Solution
The use of 3-phenyl propanol or 2-methyl-3-phenyl propanol, alone or in combination with organic acids and alcohols, such as sodium benzoate and benzyl alcohol, provides broad-spectrum antimicrobial activity effective across a wide range of microorganisms and pH levels, even at low concentrations, addressing the limitations of existing preservatives.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional preservative compounds (sodium benzoate, benzyl alcohol) are used, then antimicrobial activity is achieved, but pH limitations and irritation issues occur
Solution Approach 1:
The patent changes the chemical parameters by using 3-phenyl propanol and 2-methyl-3-phenyl propanol as alternative active ingredients with different pH profiles (effective at pH 5-10) compared to traditional preservatives. This parameter change resolves the contradiction by maintaining antimicrobial reliability while eliminating pH limitations and reducing irritation.
Solution Approach 2:
The patent replaces traditional preservative compounds with alternative compounds (3-phenyl propanol, 2-methyl-3-phenyl propanol) that have shorter regulatory scrutiny and fewer restrictions. This substitution allows the formulation to maintain effectiveness while avoiding the harmful factors associated with traditional preservatives.
2Adaptability or versatility
If high concentrations of preservative compounds are used, then broad spectrum coverage is achieved, but product stability and compatibility are compromised
Solution Approach 1:
The patent uses alternative active ingredients (3-phenyl propanol, 2-methyl-3-phenyl propanol) that achieve broad spectrum antimicrobial coverage at lower concentrations compared to traditional preservatives. This concentration reduction maintains product stability and compatibility while preserving versatile antimicrobial protection.
3Adaptability or versatility
If multiple preservative compounds are combined, then spectrum of activity is enhanced, but formulation complexity increases
Solution Approach 1:
The patent employs 3-phenyl propanol and 2-methyl-3-phenyl propanol as multi-functional antimicrobial agents that provide broad spectrum coverage against bacteria, yeast, and mold simultaneously. This universal approach enhances the spectrum of activity while simplifying the formulation compared to multiple specialized preservatives.
Data Source
AI summary
An antimicrobial composition comprising 3-phenyl propanol or 2-methyl 3-phenylpropanol, or mixtures thereof, alone or in combination with an organic acid or salt thereof, or an alcohol, or mixtures thereof. Methods of preserving products and end-use applications for use of the inventive antimicrobial compositions are also provided.