Pelargonic Acid Compositions for Low-Phytotoxicity Pest Control

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Solution Overview

Problem

Existing pesticides exhibit high phytotoxicity, leading to damage such as leaf scorching and adversely affecting plant growth and yield, while being ineffective against resistant pest species and all stages of their development.

Innovation Solution

Pelargonic acid compositions, including derivatives, are applied at specific rates to control pests with low phytotoxicity, effectively targeting sensitive and resistant pest species across all developmental stages.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If conventional pesticides are used to control pests, then pest control effectiveness is improved, but phytotoxicity increases causing leaf scorching and plant damage

Engineering Contradiction:

Improvepest control effectivenessVSAvoidphytotoxicity

Core Design Contradiction:

ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The patent changes the chemical parameters of the pesticide by using pelargonic acid (C9 fatty acid) instead of conventional synthetic pesticides. This parameter change maintains effective pest control while significantly reducing phytotoxicity. The specific parameter change involves selecting a fatty acid with 9 carbon atoms that provides the optimal balance between pest toxicity and plant safety

Inventive Principle:

Principle #35Parameter changes

Solution Approach 2:

The patent employs a biodegradable, environmentally friendly alternative (pelargonic acid) that breaks down quickly in the environment, replacing persistent synthetic pesticides. This approach uses a naturally occurring substance that decomposes into harmless byproducts, reducing long-term environmental and plant damage while maintaining short-term pest control effectiveness

Inventive Principle:

Principle #27Cheap short-living objects (Disposable)

2Reliability

If higher concentrations of pesticides are applied to increase effectiveness, then pest control activity is improved, but phytotoxicity worsens

Engineering Contradiction:

Improvearthropodicidal activityVSAvoidleaf scorching

Core Design Contradiction:

ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The patent optimizes the concentration parameter of pelargonic acid to achieve maximum pest control with minimum plant damage. By carefully selecting and controlling the application rate and formulation concentration of C9 fatty acid, the patent achieves high arthropodicidal activity while maintaining low phytotoxicity, resolving the trade-off between effectiveness and safety

Inventive Principle:

Principle #35Parameter changes

3Adaptability or versatility

If broad-spectrum pesticides are used to control all pest stages, then pest control coverage is improved, but selectivity and plant safety worsen

Engineering Contradiction:

Improvepest stage coverageVSAvoidplant damage

Core Design Contradiction:

Adaptability or versatilityVSObject-affected harmful factors

Solution Approach 1:

The patent segments the pest control approach by using pelargonic acid that specifically targets different developmental stages of arthropods (eggs, larvae, adults) through its mode of action on their cell membranes. This segmented approach allows effective control across all pest stages while maintaining selectivity and plant safety, as the acid naturally degrades and does not accumulate to harmful levels

Inventive Principle:

Principle #1Segmentation

Data Source

PatentUS20250212874A1Methods and compositions for controlling pests

Publication Date: 2025.07.03 GLOBACHEM NV

AI summary

The present invention relates to methods of controlling arthropod, particularly insect and/or acari, pests on useful plants with pelargonic acid which demonstrate highly effective insecticidal and acaricidal activity combined with low phytotoxicity.