Nicotine Pouch Composition Stability and Release Rate

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Solution Overview

Problem

Existing nicotine delivery methods, such as smoking and tobacco substitutes, face challenges including health issues, inadequate craving relief, high costs, and design restrictions due to manufacturing costs, with pouches for nicotine delivery not effectively balancing stability and release rate.

Innovation Solution

A pouch composition comprising a nicotine-ion exchange resin combination with at least 15% water by weight and inorganic divalent cations in a specific molar ratio, facilitating high stability and fast nicotine release while maintaining desirable mouthfeel and taste.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Stability of the object's composition

If nicotine is bound effectively to a carrier to obtain high stability, then stability is improved, but release rate deteriorates (becomes slow)

Engineering Contradiction:
Improvenicotine stabilityVSAvoidnicotine release rate
Core Design Contradiction:
Stability of the object's compositionVSSpeed

Solution Approach 1:

The patent changes the chemical parameters of the binding system by using ion-exchange resin with specific capacity and introducing divalent cations (Ca2+, Mg2+) in controlled molar ratios. This allows tuning the binding strength to achieve both stability and fast release - the resin provides stable binding at rest, while divalent cations facilitate rapid exchange and release during use.

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The ion-exchange resin acts as an intermediary between nicotine and the user. It binds nicotine in a stable form for storage and transport, then mediates controlled release through ion-exchange mechanisms when divalent cations are present, enabling both stability and fast release properties.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Speed

If water content is increased to facilitate nicotine release, then release rate is improved, but manufacturing cost deteriorates

Engineering Contradiction:
Improvenicotine release rateVSAvoidmanufacturing cost
Core Design Contradiction:
SpeedVSEase of manufacture

Solution Approach 1:

The patent optimizes the water content parameter to a specific range (15-40 wt%) rather than using excessive amounts. This controlled parameter adjustment achieves effective nicotine release while avoiding the cost penalties associated with high water content formulations, balancing performance and manufacturing economics.

Inventive Principle:
Principle #35Parameter changes

3Productivity

If pouch composition is optimized for fast nicotine release, then release effectiveness is improved, but residual nicotine increases

Engineering Contradiction:
Improvenicotine release effectivenessVSAvoidresidual nicotine
Core Design Contradiction:
ProductivityVSLoss of substance

Solution Approach 1:

The ion-exchange mechanism provides a feedback-controlled release system. The resin continuously exchanges nicotine with divalent cations in the oral environment, ensuring sustained release until nicotine is depleted. This feedback mechanism maximizes release effectiveness while minimizing residual nicotine by maintaining equilibrium throughout the product lifecycle.

Inventive Principle:
Principle #23Feedback

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 achieves a fast and effective nicotine release, minimizing residual nicotine and allowing for lower nicotine doses, while maintaining a desirable taste and mouthfeel, thus addressing the limitations of existing methods.

Implementation Method 1

a nicotine-ion exchange resin combination

Methodology Applied
Scientific EffectIon exchange: Ion Exchange

Data Source

PatentEP4000424B1Nicotine pouch composition
Publication Date: 2022.11.09 PHILIP MORRIS PRODUCTS SA

AI summary

A pouch composition is disclosed, the pouch composition comprising a nicotine-ion exchange resin combination, water in an amount of at least 15% by weight of the pouch composition, and inorganic divalent cations. Also, an oral pouched nicotine product comprising a saliva-permeable pouch and the pouch composition in said pouch and a pouch composition is disclosed.