Coated Abrasive Cleaning Composition for Surface-Safe Scouring

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Solution Overview

Problem

Current scouring compositions face challenges in achieving effective cleaning performance while maintaining surface safety and aesthetics, as they often damage surfaces due to hard abrasive particles and have undesirable coloration from natural particles, leading to residual stains and poor user experience.

Innovation Solution

A liquid cleaning composition featuring coated abrasive particles, such as nut shell or vegetable-derived particles, with a high degree of whiteness and optimal size, which provides good cleaning performance at low particle levels, ensuring surface safety and aesthetic appeal.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If very hard abrasive particles are used, then cleaning performance is improved, but surface damage increases

Engineering Contradiction:
Improvecleaning performanceVSAvoidsurface damage
Core Design Contradiction:
ProductivityVSObject-affected harmful factors

Solution Approach 1:

The patent changes the hardness parameter of abrasive particles by selecting natural particles (nut shells, vegetable particles) with controlled hardness levels that are sufficient for cleaning but not excessively hard to cause damage. The particles are treated to achieve optimal hardness for effective cleaning while maintaining surface safety.

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The patent creates a composite system by combining natural abrasive particles with specific coating materials and liquid cleaning composition components. This composite approach allows the particles to maintain their cleaning effectiveness while the surrounding liquid matrix and coatings modulate their interaction with surfaces to prevent damage.

Inventive Principle:
Principle #40Composite materials

2Productivity

If natural abrasive particles are used, then cleaning performance is improved, but aesthetic appearance deteriorates due to brown color

Engineering Contradiction:
Improvecleaning performanceVSAvoidaesthetic appearance
Core Design Contradiction:
ProductivityVSIllumination intensity

Solution Approach 1:

The patent addresses color changes by treating natural abrasive particles to modify their appearance. The particles undergo processes that alter their color from the natural brownish hue to a lighter, more aesthetically pleasing appearance, while preserving their abrasive cleaning properties.

Inventive Principle:
Principle #32Color changes

Solution Approach 2:

The patent introduces coating materials as intermediaries between the natural abrasive particles and the cleaning liquid composition. These coatings serve as mediators that mask the undesirable brown color of natural particles while allowing the particles to maintain their abrasive function for effective cleaning.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Productivity

If high levels of abrasive particles are used, then cleaning performance is improved, but formulation cost and process complexity increase

Engineering Contradiction:
Improvecleaning performanceVSAvoidformulation complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The patent optimizes the concentration parameter of abrasive particles in the liquid cleaning composition. By carefully controlling and reducing the particle level to an optimized range, the patent achieves effective cleaning performance while simplifying the formulation process and reducing manufacturing complexity.

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The patent uses coated natural particles that replicate the effectiveness of higher concentrations of simpler abrasive materials. The coating on the natural particles enhances their cleaning capability, allowing lower particle loads to achieve the same cleaning performance, thereby reducing formulation complexity.

Inventive Principle:
Principle #26Copying

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 composition effectively cleans various surfaces without surface damage, maintains whiteness, and offers improved cleaning efficiency and user experience through stable, color-stable, and optimally sized abrasive particles, addressing the limitations of existing technologies.

Implementation Method 1

scouring compositions containing abrasive components are well known in the art... compositions with an adequate surface safety profile... good cleaning performance... featuring strong surface damage

Methodology Applied
Scientific EffectAbrasion: Abrasion

Implementation Method 2

abrasive particles... cleaning performance... surface safety profile

Methodology Applied
Scientific EffectFriction: Friction

Data Source

PatentUS20120071378A1Liquid cleaning composition
Publication Date: 2012.03.22 PROCTER & GAMBLE CO
  • US20120071378A1 patent drawing

AI summary

The present invention relates to a liquid, cleaning composition comprising abrasive cleaning particles.