Uncoated Curvilinear Chewing Gum Pellets with Low-Hygroscopic Dusting

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Solution Overview

Problem

There is a need for loose bulk packaged, uncoated chewing gum in slab or slab-like formats that provides a soft initial chew, stability against moisture, and allows for the visual aspects of the chewing gum core to be perceived by the consumer, while avoiding piece wrap and hard coatings.

Innovation Solution

The use of elongated chewing gum pellets with a curvilinear shape and a low hygroscopic dusting composition, such as mannitol, to prevent sticking and maintain product stability without coatings or piece wrap.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If chewing gum is packaged in loose bulk without piece wrap, then consumer convenience and waste reduction are improved, but the pieces tend to stick to one another

Engineering Contradiction:
Improveconsumer convenienceVSAvoidsticking between pieces
Core Design Contradiction:
Ease of operationVSObject-generated harmful factors

Solution Approach 1:

The patent applies a dusting composition specifically to the surface of individual chewing gum pieces, creating a localized anti-sticking layer only where needed. This allows the bulk packaging to remain simple and waste-free while preventing sticking at the piece surface level through targeted application of particulate matter.

Inventive Principle:
Principle #3Local quality

Solution Approach 2:

The dusting composition acts as an intermediary substance between chewing gum pieces, preventing direct contact and adhesion between them. This intermediary layer of particulate matter (such as sugar crystals or food-grade powders) creates a barrier that eliminates sticking while maintaining the loose bulk packaging format.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Reliability

If a hard coating is applied to chewing gum pieces, then protection from moisture and prevention of sticking are improved, but the initial chew becomes hard rather than soft

Engineering Contradiction:
Improvemoisture protectionVSAvoidhard initial chew
Core Design Contradiction:
ReliabilityVSObject-generated harmful factors

Solution Approach 1:

Instead of applying a continuous hard coating layer, the patent uses a dusting composition that creates a discontinuous, thin particulate layer on the surface. This localized approach provides moisture protection and anti-sticking properties without forming a hard shell, preserving the soft texture of the gum core during initial chewing.

Inventive Principle:
Principle #3Local quality

Solution Approach 2:

The dusting composition uses fine particulate matter that provides temporary protection during storage and handling. This disposable-like surface treatment is sufficient for its purpose (preventing sticking and moisture gain during bulk packaging) without creating a permanent hard coating that would affect the chewing experience.

Inventive Principle:
Principle #27Cheap short-living objects (Disposable)

3Reliability

If a hard coating or coating format is used, then protection from environment is improved, but the visual properties of the chewing gum core are obscured

Engineering Contradiction:
Improveenvironmental protectionVSAvoidvisual properties
Core Design Contradiction:
ReliabilityVSLoss of information

Solution Approach 1:

The dusting composition applies a thin, discontinuous layer of particulate matter on the chewing gum surface rather than a continuous coating. This localized approach provides environmental protection while allowing light to pass through and reveal the visual properties of the gum core, including colors and designs.

Inventive Principle:
Principle #3Local quality

Solution Approach 2:

The dusting composition uses fine particulate matter that does not significantly alter or mask the underlying colors and visual characteristics of the chewing gum. The particulates are sufficiently fine and sparse to allow the gum's inherent visual properties to remain visible while still providing protective functionality.

Inventive Principle:
Principle #32Color changes

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 ensures minimal moisture pick-up and prevents individual pieces from adhering to each other during storage and use, allowing consumers to see the gum's appearance and experience a soft initial bite.

Implementation Method 1

Certain chewing gum compositions are known to either gain moisture from the surroundings or lose moisture to the surroundings depending upon the chewing gum ingredients and the relative humidity of the surrounding environment

Methodology Applied
Scientific EffectHygroscopy: Absorption (physical)

Implementation Method 2

The hard coating also prevents the individual pieces from sticking to one another when bulk packaged as loose units

Methodology Applied
Scientific EffectAdhesion: Adhesive

Data Source

PatentEP3443847B1Bulk packaged, uncoated chewing gum
Publication Date: 2025.08.20 PERFETTI VAN MELLE BENELUX BV
  • EP3443847B1 patent drawingFigure 1~2
  • EP3443847B1 patent drawingFigure 3
  • EP3443847B1 patent drawing

AI summary

Disclosed herein are unwrapped and uncoated chewing gum products exhibiting excellent stability when bulk packaged as loose units.