Dicloromezotiaz Termite Composition for Colony Transmission

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Solution Overview

Problem

Existing termite controlling agents lack sufficient transmissibility for effective secondary transmission, as they are either fast-acting and repellent or slow-acting but not sufficiently slow-acting, leading to inadequate colony eradication.

Innovation Solution

A termite controlling composition using dicloromezotiaz as an active ingredient, which exhibits a non-repellent action and has a highly slow-acting property, allowing for high transmissibility through trophallaxis and grooming, formulated in various forms such as liquids, granules, and bait formulations.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Speed

If fast-acting termite controlling agents are used, then quick termite killing effect is achieved, but transmissibility and secondary transmission effect are insufficient

Engineering Contradiction:

Improvetermite killing speedVSAvoidtransmissibility

Core Design Contradiction:

SpeedVSReliability

Solution Approach 1:

The patent changes the key parameter of action speed from fast to slow, selecting compounds that act slowly on termites. This allows termites to return to the colony and transmit the compound through trophallaxis and grooming behaviors, achieving high transmissibility and effective colony eradication while maintaining sufficient insecticidal activity

Inventive Principle:

Principle #35Parameter changes

2Reliability

If slow-acting termite controlling agents are used, then transmissibility is improved, but insecticidal activity is not sufficiently high

Engineering Contradiction:

ImprovetransmissibilityVSAvoidinsecticidal activity

Core Design Contradiction:

ReliabilityVSProductivity

Solution Approach 1:

The patent optimizes the concentration parameter of the active ingredient to achieve the right balance. By formulating with specific concentrations of slow-acting compounds (0.01-10% for dust formulations, 0.001-1% for granules, 0.01-10 ppm for baits), the composition maintains high insecticidal activity while preserving the slow-acting property necessary for transmissibility

Inventive Principle:

Principle #35Parameter changes

Solution Approach 2:

The patent creates composite formulations by combining slow-acting active ingredients with suitable carriers and adjuvants. This composite approach enhances the overall insecticidal activity and transmission efficiency while maintaining the slow-acting characteristic needed for colony-wide effects

Inventive Principle:

Principle #40Composite materials

3Productivity

If repellent termite controlling agents are used, then immediate termite avoidance is achieved, but transmission effect is reduced

Engineering Contradiction:

Improvetermite avoidance effectVSAvoidtransmission effect

Core Design Contradiction:

ProductivityVSReliability

Solution Approach 1:

The patent inverts the approach by selecting compounds that are non-repellent to termites. This allows termites to freely contact and carry the compound back to the colony, enabling effective transmission through social behaviors. The non-repellent property is achieved by selecting specific chemical compounds that termites accept without avoidance

Inventive Principle:

Principle #13The other way round (Inversion)

Data Source

PatentUS20250255304A1Highly transmissible termite controlling composition

Publication Date: 2025.08.14 ZM CROP PROTECTION CORP

AI summary

Provided are a termite controlling composition characterized by containing dicloromezotiaz, which is a mesoionic compound, as an active ingredient and a method for using the same.