Humic Substance-Encapsulated Particles Against Soil Degradation

Resolve Bottlenecks,
Find Innovative SolutionsGenerate Solutions

Solution Overview

Problem

Existing agrochemical compositions face rapid degradation in soil due to microbial activity and physico-chemical processes, leading to nutritional deficiencies and environmental risks, and current encapsulating or coating agents are costly, environmentally harmful, and not governed by plant activity.

Innovation Solution

A method involving the encapsulation of bioactive compounds with humic substances, utilizing pH adjustments to form supramolecules that protect the compounds from degradation, leveraging humic substances' ability to flocculate at acidic pH, forming stable humic substance-encapsulated bioactive compounds.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If agrochemical compositions are applied to fulfill plants nutritional needs, then plant development is improved, but bioactive compounds rapidly degrade due to microbial activity and physico-chemical processes

Engineering Contradiction:

Improvecrop yieldVSAvoidstability of bioactive compounds

Core Design Contradiction:

ProductivityVSReliability

Solution Approach 1:

The patent applies nesting by placing the bioactive compound inside the humic substance supramolecule structure. The bioactive compound is encapsulated within the humic substance matrix, creating a protected core-inner structure that shields the compound from degradation while allowing controlled release to plants.

Inventive Principle:

Principle #7Nested doll (Nesting)

Solution Approach 2:

Humic substances act as an intermediary between the bioactive compound and the soil environment. The encapsulation creates a buffer layer that protects the compound from direct contact with degrading agents (microbes, oxidation, fixation) while still enabling nutrient transfer to plants.

Inventive Principle:

Principle #24Intermediary (Mediator)

2Reliability

If application rates of agrochemical compositions are increased to overcome degradation, then plant nutritional needs are better met, but economic costs and environmental damage increase

Engineering Contradiction:

Improveavailability of bioactive compoundsVSAvoidenvironmental pollution

Core Design Contradiction:

ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The patent applies preliminary action by pre-encapsulating the bioactive compound in humic substances before application. This pre-protection prevents degradation before it occurs, ensuring that the compound remains stable and effective throughout its intended function, thereby eliminating the need for over-application.

Inventive Principle:

Principle #10Preliminary action

3Reliability

If resin-based polymers or polyolefin materials are used as coating agents, then bioactive compounds are protected from degradation, but the coating agents are hardly biodegradable and represent environmental risks

Engineering Contradiction:

Improveprotection of bioactive compoundsVSAvoidenvironmental persistence of coating agents

Core Design Contradiction:

ReliabilityVSObject-generated harmful factors

Solution Approach 1:

The patent replaces persistent synthetic polymers with natural, biodegradable humic substances. These natural coating materials perform their protective function and then degrade harmlessly in the environment, eliminating the persistence problem of conventional polymers while maintaining protection efficacy.

Inventive Principle:

Principle #27Cheap short-living objects (Disposable)

Solution Approach 2:

The patent changes the chemical composition parameter of the coating agent from synthetic polymers to natural humic substances. This parameter change fundamentally alters the degradation behavior from persistent to biodegradable, while the encapsulation mechanism remains functionally similar.

Inventive Principle:

Principle #35Parameter changes

4Reliability

If conventional coating agents are used, then bioactive compounds are protected, but the dynamics of release is not governed by plant activity and needs

Engineering Contradiction:

Improveprotection of bioactive compoundsVSAvoidresponse to plant activity

Core Design Contradiction:

ReliabilityVSAdaptability or versatility

Solution Approach 1:

The patent applies dynamics by creating a release mechanism that responds to changing environmental and plant conditions. The humic substance encapsulation allows the bioactive compound release rate to dynamically adjust based on soil moisture, microbial activity, and plant uptake needs, rather than following a fixed degradation pattern.

Inventive Principle:

Principle #15Dynamics

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 method provides efficient, cost-effective, and environmentally friendly encapsulation of bioactive compounds, ensuring sustained release based on plant activity, reducing the need for excessive application and minimizing environmental impact.

Implementation Method 1

leveraging humic substances' ability to flocculate at acidic pH, forming stable humic substance-encapsulated bioactive compounds

Methodology Applied

Scientific EffectFlocculation: Flocculation

Data Source

PatentUS12453703B2Humic substance-encapsulated particles, compositions and method of making the same

Publication Date: 2025.10.28 AGRO INNOVATION INT

AI summary

The present invention relates to a method for the preparation of a humic substance-coated bioactive compound, to humic acid-encapsulated bioactive compound particles and to compositions comprising humic acid-encapsulated bioactive compound particles. The invention has its main application in the field of agriculture.