Quinoline Derivative Composition for Mesostigmata Mite Control

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Solution Overview

Problem

Existing Mesostigmata mite control compositions face challenges due to drug resistance and inadequate acaricidal activity, failing to effectively manage mites that parasitize or suck blood from insects and homeotherms.

Innovation Solution

A combination of specific quinoline derivative compounds and other pest control agents, such as pesticides and acaricides, exhibits a synergistic effect, providing enhanced control over Mesostigmata mites.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If conventional control agents are used against Mesostigmata mites, then mite control is attempted, but drug resistance develops and acaricidal activity becomes insufficient

Engineering Contradiction:
Improveacaricidal activityVSAvoiddrug resistance
Core Design Contradiction:
ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The patent combines a quinoline derivative compound with at least one other pest control agent to create a composition with synergistic acaricidal activity. This merging of different control agents addresses drug resistance by using multiple mechanisms of action simultaneously, preventing the mites from developing resistance to a single agent while maintaining high acaricidal activity.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The invention creates a composite control composition comprising a quinoline derivative compound and other pest control agents. This composite approach allows the different ingredients to work together synergistically, providing enhanced and reliable acaricidal activity that overcomes the limitations of single-agent control methods and addresses drug resistance issues.

Inventive Principle:
Principle #40Composite materials

2Reliability

If single control agents are used, then application is simple, but control effect on Mesostigmata mites is insufficient

Engineering Contradiction:
Improvecontrol effectVSAvoidcomposition complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent merges a quinoline derivative compound with other pest control agents in a single composition that can be applied together. This combining approach achieves superior control effect against Mesostigmata mites through synergistic action, while the agents are formulated to be applied as one unified composition, balancing effectiveness with practical simplicity.

Inventive Principle:
Principle #5Merging (Combining)

Data Source

PatentUS12419306B2Mesostigmata mite control composition
Publication Date: 2025.09.23 MEIJI SEIKA KAISHA LTD
  • US12419306B2 patent drawing
  • US12419306B2 patent drawing
  • US12419306B2 patent drawing

AI summary

A Mesostigmata mite control composition comprising, as active ingredients: a specific quinoline derivative compound such as 8-fluoro-2,3-dimethyl-6-(1,1-dimethylethyl)-4-(methylcarbonyl)oxyquinoline; and at least one of other pest control agents exhibits an excellent control effect on Mesostigmata mites.