Delayed-Release Protease Coating for Bleach-Compatible Detergents
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Solution Overview
Problem
Bleaching agents and enzymes in dishwashing detergents interfere with each other's activity and performance, leading to suboptimal dishwashing results, and existing delayed dosing methods are not universally effective across enzyme variants.
Innovation Solution
A detergent composition with protease enzymes coated in a delayed release coating comprising hydrophobic species, such as fatty acids and esters, ensures minimal interference with bleaching agents by controlled enzyme release.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If bleaching agents and enzymes are both included in detergent composition, then comprehensive cleaning performance is improved, but their mutual interference reduces activity and effectiveness
Solution Approach 1:
The enzyme is separated from the bulk detergent composition by encapsulating it within a delayed release coating, creating a distinct compartment that prevents direct contact and interference with bleaching agents until the coating dissolves at the appropriate time
Solution Approach 2:
The enzyme is pre-coated with delayed release material before detergent formulation, establishing protective barriers in advance that prevent interference during storage and wash cycle initiation, allowing the enzyme to remain inactive and protected until needed
2Object-generated harmful factors
If delayed release coating is applied to protease enzyme, then interference with bleaching agents is minimized, but enzyme distribution and release timing must be precisely controlled
Solution Approach 1:
The coating composition parameters are optimized to achieve desired release characteristics, including using specific ratios of water-soluble polymers, waxes, and other delayed release materials to control dissolution rate and timing
Solution Approach 2:
The delayed release coating is formulated as a composite material system combining multiple components (water-soluble polymers, waxes, oils, fats) that work together to provide controlled release properties, allowing precise tuning of release timing and rate
3Reliability
If enzyme coating is optimized for one enzyme variant, then performance with that variant is improved, but efficacy decreases with different enzyme variants
Solution Approach 1:
The delayed release coating formulation is designed to be universally compatible with multiple protease enzyme variants by using non-specific binding materials and neutral coating components that do not interact preferentially with any particular enzyme structure
Solution Approach 2:
The coating materials are selected to provide uniform properties across different enzyme variants, using homogeneous polymer matrices and consistent coating thickness that treat all enzyme molecules equally regardless of their specific amino acid sequences
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 solution provides excellent dishwashing performance, consumer benefits, and cost-effective, simple manufacturing, while maintaining enzyme activity and stability.
Implementation Method 1
a delayed release coating composition comprising at least one hydrophobic species
Data Source
AI summary
The invention is related to a detergent composition comprising at least one protease enzyme having at least 95% identity with SEQ ID NO:1, wherein the or each protease enzyme is coated with a delayed release coating composition comprising at least one hydrophobic species.