Metarylpicoxamid Fungicidal Composition for Chemical Stability
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Solution Overview
Problem
Metarylpicoxamid-containing fungicidal compositions experience chemical degradation, which affects their viability and storage life, particularly in emulsifiable concentrates.
Innovation Solution
Incorporating an organic acid at 0.01 to 5.0% by weight in the fungicidal composition stabilizes metarylpicoxamid, limiting degradation and enhancing chemical stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If metarylpicoxamid is formulated in emulsifiable concentrates, then fungicidal activity is achieved, but chemical degradation occurs reducing stability
Solution Approach 1:
The patent introduces an intermediary substance (buffering agent or chelating agent) that mediates between the metarylpicoxamid and the emulsifiable concentrate formulation. This intermediary prevents direct harmful interactions that cause degradation, thereby maintaining chemical stability while preserving fungicidal activity.
Solution Approach 2:
The patent modifies the chemical environment parameters of the formulation by adjusting pH levels or introducing chelating agents that alter the chemical state of metarylpicoxamid. This parameter change prevents degradation reactions while maintaining the active ingredient's efficacy against phytopathogenic fungi.
2Duration of action of stationary object
If metarylpicoxamid is stored in emulsifiable concentrates, then fungicidal composition is maintained, but degradation reduces storage life
Solution Approach 1:
The patent applies preliminary protective measures by incorporating buffering agents or chelating agents into the formulation before storage. This preliminary action prevents degradation from occurring during storage, thereby extending the shelf life and maintaining reliability of the fungicidal composition over time.
Solution Approach 2:
The patent introduces protective substances that act as a cushion against potential degradation mechanisms during storage. These agents preemptively neutralize harmful effects before they can compromise the metarylpicoxamid, ensuring long-term stability and extended storage life.
3Productivity
If emulsifying agents are added to enhance formulation performance, then fungicidal activity is improved, but degradation of metarylpicoxamid is initiated
Solution Approach 1:
The patent introduces buffering agents or chelating agents as intermediaries that separate the emulsifying agents from direct contact with metarylpicoxamid. This intermediary layer allows the emulsifying agents to perform their function of enhancing fungicidal activity while preventing them from initiating degradation of the active ingredient.
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 addition of organic acids significantly improves the chemical stability and storage life of metarylpicoxamid, ensuring effective fungicidal activity against phytopathogens like Phakopsora pachyrhizi.
Implementation Method 1
the addition of an organic acid at 0.01 to 5.0% by weight to certain compositions comprising metarylpicoxamid, significantly improves the chemical stability of the metarylpicoxamid active ingredient component (ie, eliminates or limits degradation)
Data Source
AI summary
A fungicidal composition comprising: (i) metarylpicoxamid as a fungicidal active ingredient; and (ii) an organic acid, wherein the organic acid is present at 0.01 to 5.0% by weight of the composition and is not an aliphatic C2 to C8 mono-carboxylic acid.