Cyclic Dextrin Toilet Tablet for Sustained Malodor Neutralization
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Solution Overview
Problem
Conventional toilet bowl cleansing products fail to effectively neutralize persistent bathroom malodors, particularly those caused by short-chained fatty acids, mercaptans, indoles, and organoamines, which persist after washing or treatment.
Innovation Solution
A toilet cleansing tablet containing highly branched cyclic dextrin and a binder, optionally with additional components like dissolution control agents, surfactants, pH adjusters, and fragrances, designed for slow release into the toilet tank to combat malodors.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If conventional cleansing products are used, then the toilet bowl is cleaned, but persistent bathroom malodors are not effectively neutralized
Solution Approach 1:
The patent changes the chemical parameter by using cyclic dextrin with specific molecular structure (average molecular weight 10,000-50,000 Da) that can chemically interact with and neutralize malodor molecules through inclusion complex formation, rather than just masking or temporarily reducing odors
Solution Approach 2:
The patent creates a composite tablet formulation combining cyclic dextrin (5-50 wt%) with binders, dissolution control agents, and optional surfactants to achieve both structural integrity and effective odor neutralization, transforming multiple materials into a unified cleansing system
2Duration of action of moving object
If the tablet releases components quickly, then immediate cleaning effect is achieved, but the duration of odor control is insufficient
Solution Approach 1:
The tablet is designed to release cyclic dextrin periodically over multiple flush cycles through controlled dissolution, creating sustained odor control effect rather than a single immediate action, with each flush providing renewed cleansing and odor neutralization
Solution Approach 2:
The patent introduces dynamic control of the dissolution process through dissolution control agents that adjust the release rate of cyclic dextrin based on water contact conditions, allowing the tablet to adapt its component release speed to match usage patterns and extend effective duration
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 tablet effectively reduces and eliminates bathroom malodors by slowly releasing cyclic dextrin and other components over time, providing enhanced odor control with each flush.
Implementation Method 1
The cyclic dextrin can effectively reduce or eliminate bathroom malodors... The toilet cleansing tablet is designed to be dropped or suspended into a toilet tank or toilet bowl where it slow releases its components, including the cyclic dextrin, into the water used for flushing
Data Source
AI summary
A solid slow-release formulation effective as a toilet cleanser, comprising a highly branched cyclic dextrin (i.e., cyclic dextrin) and a binder is provided. The solid cleansing formulation contains at least one cyclic dextrin and a binder, and optionally, one or more dissolution control agents, one or more surfactants, one or more pH adjusters or buffers, one or more cleaning actives, fragrances, and/or colorants. Notably, the solid cleansing formulation can reduce or even eliminate bathroom malodors over time by placing the solid cleansing formulation in a toilet tank. The solid cleansing formulation is designed to slowly dissolve over time and release its contents into the toilet flushing water with each flush.