Biodegradable Litter Using Composite Paper and Corn Starch

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Solution Overview

Problem

Conventional animal litters are messy, dusty, and non-biodegradable, often sticking to paws and fur, failing to effectively absorb odors, and pose environmental concerns due to materials like sand, clay, and corn cob, which also create health hazards and tracking issues.

Innovation Solution

A biodegradable animal litter made from a mixture of recycled paper dust, corn starch, and water, formed into uniform spheres that absorb fluids and clump for easy removal, eliminating dust and sticking issues while being environmentally friendly and made from recycled materials.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Quantity of substance

If sand or silicate material is used for litter, then absorption capability is improved, but dust creation and mess increase

Engineering Contradiction:
Improveabsorption capabilityVSAvoiddust creation
Core Design Contradiction:
Quantity of substanceVSObject-generated harmful factors

Solution Approach 1:

The patent combines multiple natural materials (wood fibers, paper fibers, plant-based materials) into a composite litter product that maintains absorption capabilities while eliminating dust problems associated with single-material solutions like sand or clay

Inventive Principle:
Principle #40Composite materials

2Quantity of substance

If clay is used for litter, then absorption capability is improved, but environmental harm and weight increase

Engineering Contradiction:
Improveabsorption capabilityVSAvoidenvironmental harm
Core Design Contradiction:
Quantity of substanceVSObject-affected harmful factors

Solution Approach 1:

The patent changes the material composition parameters from traditional clay-based litter to natural organic materials like wood fibers and plant matter, maintaining absorption functionality while improving biodegradability and reducing environmental harm from strip-mining

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The patent creates a composite structure using multiple natural materials that together provide the absorption properties previously achieved by clay, while being fully biodegradable and environmentally friendly

Inventive Principle:
Principle #40Composite materials

3Reliability

If corn-based litter is used, then clumping capability is improved, but tracking and mess increase

Engineering Contradiction:
Improveclumping capabilityVSAvoidtracking
Core Design Contradiction:
ReliabilityVSObject-generated harmful factors

Solution Approach 1:

The patent applies different material properties to different aspects of litter performance: using wood fibers and plant materials that provide clumping capability where needed while maintaining a granular structure that resists tracking on paws and fur

Inventive Principle:
Principle #3Local quality

4Quantity of substance

If pulverized wood pellets are used, then absorption capability is improved, but structural stability deteriorates

Engineering Contradiction:
Improveabsorption capabilityVSAvoidstructural stability
Core Design Contradiction:
Quantity of substanceVSStability of the object's composition

Solution Approach 1:

The patent combines wood fibers with paper fibers and plant-based materials to create a composite structure that maintains the absorption capabilities of wood while adding structural integrity through the combined material matrix, preventing disintegration when scratched by animals

Inventive Principle:
Principle #40Composite materials

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 litter reduces mess and odor, is safe for pets and humans, and does not track around the home, providing a sanitary and eco-friendly solution for animal waste management.

Implementation Method 1

The litter comprises all-natural ingredients and is biodegradable, is environmentally-friendly, dust-free, odorless, effectively clumps when used for urination or with other excretory fluids

Methodology Applied
Scientific EffectAbsorption: Absorption (physical)

Implementation Method 2

a plurality of shapes made from an amount of paper dust and corn starch, bound together with an amount of water

Methodology Applied
Scientific EffectAdhesion: Adhesive

Data Source

PatentUS10251368B1Animal litter and methods of making and using the same
Publication Date: 2019.04.09 BOLKA GAIL

AI summary

Animal litter is provided, namely litter that may be utilized by small animals, such as cats, rabbits, and other animals that use litter for urination and defecation therein. The litter comprises all-natural ingredients and is biodegradable, is environmentally-friendly, dust-free, odorless, effectively clumps when used for urination or with other fluids, and does not stick to paws or fur. Methods of making and using the same are further provided.