Enzymatic Pot And Pan Detergent For Phosphate-Free Soil Removal

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Solution Overview

Problem

Existing cleaning compositions struggle to effectively remove proteinaceous and starchy soils without using phosphate-containing components, which are environmentally harmful, and surfactants like linear alkylbenzene sulfonate negatively impact enzyme performance.

Innovation Solution

A synergistic combination of surfactants, including sodium olefin sulfonate, sodium laurel ether sulfate, amine oxide, and cocamidopropyl betaine, is used with protease and amylase enzymes to enhance cleaning efficacy while avoiding anionic surfactants that hinder enzyme activity.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If phosphate-containing components are used to remove proteinaceous and starchy soils, then cleaning performance is improved, but environmental safety deteriorates

Engineering Contradiction:
Improvecleaning performanceVSAvoidenvironmental safety
Core Design Contradiction:
ProductivityVSObject-affected harmful factors

Solution Approach 1:

The invention extracts and removes phosphate-containing components from the detergent formulation, replacing them with alternative surfactant-enzyme combinations that achieve comparable cleaning performance without environmental harm. Specifically, the patent formulates detergents using non-phosphate surfactants paired with proteases and amylases to maintain efficacy while eliminating the harmful phosphate substance.

Inventive Principle:
Principle #2Taking out (Extraction)

2Productivity

If linear alkylbenzene sulfonate surfactant is used to clean soils, then cleaning ability is improved, but enzyme performance deteriorates

Engineering Contradiction:
Improvecleaning abilityVSAvoidenzyme performance
Core Design Contradiction:
ProductivityVSReliability

Solution Approach 1:

The invention extracts and removes linear alkylbenzene sulfonate from the surfactant formulation, replacing it with alternative surfactants that do not interfere with enzyme activity. The patent identifies and eliminates this specific surfactant component to prevent its deleterious interaction with proteases and amylases, thereby preserving enzyme performance.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The invention changes the chemical parameters of the surfactant system by selecting alternative surfactant molecules with different molecular structures and properties. These alternative surfactants maintain cleaning efficacy while having compatible physical and chemical properties that allow enzyme functionality to proceed without inhibition.

Inventive Principle:
Principle #35Parameter changes

3Productivity

If traditional surfactant combinations are used to remove soils, then basic cleaning is achieved, but synergistic enhancement with enzymes is lost

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

Solution Approach 1:

The invention merges surfactant and enzyme components into a synergistic formulation system where the surfactant and enzyme work together to enhance cleaning performance. The patent specifically combines selected surfactants with proteases and amylases in optimized ratios and conditions, creating a unified formulation that achieves greater than additive cleaning effects on proteinaceous and starchy soils.

Inventive Principle:
Principle #5Merging (Combining)

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 synergistic surfactant-enzyme combinations provide superior removal of protein and starchy soils, maintaining environmental safety and optimizing cleaning performance.

Implementation Method 1

Surfactants reduce the surface tension of water by adsorbing at the liquid-gas interface.

Methodology Applied
Scientific EffectAdsorption: Adsorption

Implementation Method 2

Surfactants reduce the surface tension of water by adsorbing at the liquid-gas interface.

Methodology Applied
Scientific EffectSurface tension reduction: Surface Tension

Implementation Method 3

They also reduce the interfacial tension between oil and water by adsorbing at the liquid-liquid interface.

Methodology Applied
Scientific EffectAdsorption: Adsorption

Implementation Method 4

They also reduce the interfacial tension between oil and water by adsorbing at the liquid-liquid interface.

Methodology Applied
Scientific EffectInterfacial tension reduction: Surface Tension

Implementation Method 5

The enzyme component can comprise a protease, an amylase or, in a preferred embodiment both enzymes for optimal removal of protein and starchy soils.

Methodology Applied
Scientific EffectEnzymatic hydrolysis: Hydrolysis

Data Source

PatentUS12391901B2Enzymatic pot and pan detergent
Publication Date: 2025.08.19 ECOLAB USA INC
  • US12391901B2 patent drawing
  • US12391901B2 patent drawing
  • US12391901B2 patent drawing

AI summary

Detergent compositions are disclosed which provide superior cleaning and removal of proteinaceous and starchy soils. Applicants have discovered a surfactant package which acts to enhance and improve the performance of enzymes such as proteases and/or amylases. Compositions for pot and pan warewash detergents and soaks are disclosed, as well as their use in manual or dish machine cleaning.