Cleaning Sponge With Integrated Soap, Disinfectant, and Usage Indicator

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Solution Overview

Problem

Conventional cleaning sponges and pads are inefficient in retaining cleaning agents for an ideal duration, prone to bacterial contamination, and require multiple tools and resources, leading to unsustainability and health risks due to prolonged use.

Innovation Solution

A sponge-like article integrated with a non-replaceable solid soap bar containing a disinfectant and a color indicator, ensuring prolonged usability and hygiene by visually signaling when the product is used up.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If conventional cleaning sponges are used with separate cleaning agents, then the cleaning process requires multiple tools and resources, but this leads to increased resource consumption and reduced sustainability

Engineering Contradiction:
Improvecleaning capabilityVSAvoidresource consumption
Core Design Contradiction:
Adaptability or versatilityVSLoss of substance

Solution Approach 1:

The patent combines the cleaning sponge and cleaning agent into a single integrated product. The cleaning agent is encapsulated within the sponge structure, eliminating the need for separate cleaning agent containers and application steps. This merging of functions directly reduces resource consumption by consolidating multiple products into one, while maintaining full cleaning capability.

Inventive Principle:
Principle #5Merging (Combining)

2Loss of substance

If cleaning sponges are reused for extended periods, then resource consumption is reduced, but bacterial contamination increases creating health risks

Engineering Contradiction:
Improveresource consumptionVSAvoidbacterial contamination
Core Design Contradiction:
Loss of substanceVSObject-affected harmful factors

Solution Approach 1:

The patent designs the cleaning sponge with a predetermined service life indicator that shows when the product should be discarded. The color indicator system allows users to track usage duration, ensuring the sponge is replaced before bacterial contamination reaches harmful levels. This approach enables responsible disposal timing that prevents health risks while optimizing resource utilization by using the sponge for its full safe service life.

Inventive Principle:
Principle #27Cheap short-living objects (Disposable)

3Duration of action of moving object

If cleaning sponges are designed with replaceable cleaning agent cartridges, then the cleaning agent can be refilled extending usability, but the production complexity and manufacturing effort increase significantly

Engineering Contradiction:
Improveusability durationVSAvoidproduction complexity
Core Design Contradiction:
Duration of action of moving objectVSDevice complexity

Solution Approach 1:

The patent segments the cleaning agent into discrete capsules embedded within the sponge matrix. Each capsule is a self-contained unit that releases cleaning agent gradually. This segmentation allows the cleaning agent to be distributed throughout the sponge in multiple small units, extending the overall usability duration while keeping the manufacturing process relatively simple through automated capsule embedding techniques.

Inventive Principle:
Principle #1Segmentation

4Quantity of substance

If cleaning sponges are made with porous structures to hold cleaning agents, then the cleaning agent retention is improved, but the manufacturing precision and production effort increase

Engineering Contradiction:
Improvecleaning agent retentionVSAvoidproduction precision
Core Design Contradiction:
Quantity of substanceVSManufacturing precision

Solution Approach 1:

The patent utilizes the natural porous structure of the sponge material to retain and distribute cleaning agent capsules. The porosity of the sponge provides numerous small cavities that naturally hold the capsules without requiring additional sealing or containment structures. This approach improves cleaning agent retention while minimizing manufacturing precision requirements, as the porous structure is inherent to the sponge material itself.

Inventive Principle:
Principle #31Porous materials

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 article provides extended cleaning and disinfecting capabilities with reduced resource consumption, ensuring hygiene by preventing reuse of contaminated sponges and minimizing environmental impact.

Implementation Method 1

The cleaning agent penetrates the fine pores of the cleaning cartridge into the dishwashing sponge

Methodology Applied
Scientific EffectCapillary action: Capillary Action

Implementation Method 2

The cleaning agent has a dye in the form of a color indicator that can visually represent the course of use

Methodology Applied
Scientific EffectColor indicator:

Implementation Method 3

Disinfection involves killing or inactivating pathogens. This reduces the number of pathogens on surfaces or objects

Methodology Applied
Scientific EffectDisinfection:

Data Source

PatentEP4382591B1Article for cleaning surfaces and method for producing same
Publication Date: 2025.07.16 MR MAX CLEAN & HEALTH UG
  • EP4382591B1 patent drawingFigure 1~3
  • EP4382591B1 patent drawingFigure 4~6
  • EP4382591B1 patent drawingFigure 7~9

AI summary

1. The invention relates to a sponge-like article for cleaning surfaces, wherein the article comprises a sponge-like material and a cleaning agent in the form of solid soap integrated into the article, wherein the article has at least one cavity in the sponge-like material that is closed on the circumferential side and in which the cleaning agent is deposited in a non-replaceable manner, wherein the cleaning agent comprises a dye in the form of a color indicator that can be visually represented as the course of use until the article becomes unusable or until a predetermined end of its usability, and/or the cleaning agent is enriched with disinfectant.