Synergistic Microbicidal Composition Using 4,4-Dimethyloxazolidine and Pine Oil
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Solution Overview
Problem
Existing microbicidal compositions do not effectively provide synergistic combinations for inhibiting microbial growth across various environments, particularly with known bactericidal pine extracts, lacking specified weight ratios and synergistic effects.
Innovation Solution
A synergistic microbicidal composition comprising 4,4-dimethyloxazolidine and pine oil, with preferred weight ratios ranging from 1:0.01 to 1:480, used in aqueous media to inhibit microorganisms, including bacteria, fungi, and algae, with minimal additional microbicides, and potentially combined with defoamers and emulsifiers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If pine extracts are used as microbicides, then bactericidal effects are achieved, but synergistic combinations with specified weight ratios are not provided
Solution Approach 1:
The patent combines 4,4-dimethyloxazolidine and pine oil in specific weight ratios to create a synergistic microbicidal composition. This merging of two different microbicides produces an enhanced effect that neither component achieves alone, resolving the contradiction by providing both reliable microbial inhibition and a defined, optimized formulation.
Solution Approach 2:
The patent specifies particular weight ratios (e.g., 1:0.01 to 1:0.13, 1:0.15 to 1:0.25, 1:0.60 to 1:2.00, or 1:20 to 1:480) of 4,4-dimethyloxazolidine to pine oil to optimize synergistic effects. By changing the concentration parameters within these defined ranges, the composition achieves enhanced microbial inhibition while maintaining a controlled formulation complexity.
2Reliability
If additional microbicides are added to enhance effectiveness, then microbial inhibition is improved, but composition simplicity is reduced
Solution Approach 1:
The patent achieves enhanced microbial inhibition by combining only two microbicides (4,4-dimethyoxazolidine and pine oil) in synergistic ratios, rather than adding multiple additional microbicides. This selective merging provides reliable growth control while maintaining composition simplicity, as the synergistic interaction between the two components replaces the need for more complex multi-ingredient formulations.
Data Source
AI summary
A synergistic microbicidal composition comprising: (a) 4,4-dimethyloxazolidine; and (b) pine oil.