Aminopenicillin Single-Phase Formulation for Solubility and Stability

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Amoxicillin exhibits poor water solubility, chemical instability over time, and gaps in bacterial coverage due to resistance mechanisms, particularly in varying water quality and temperature conditions.

Innovation Solution

Formulations incorporating potassium sorbate and other stabilizing agents create single-phase solutions with Amoxicillin, achieving high potency and stability by solubilizing Amoxicillin at higher concentrations and maintaining pH levels within a stable range, reducing the need for alkaline bases.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If Amoxicillin is formulated in water, then it provides effective antibiotic treatment, but it exhibits poor water solubility and chemical instability

Engineering Contradiction:
Improvechemical stabilityVSAvoidwater solubility
Core Design Contradiction:
ReliabilityVSQuantity of substance

Solution Approach 1:

The patent introduces alkaline bases (sodium hydroxide, potassium hydroxide, calcium hydroxide, or magnesium hydroxide) as intermediary substances to facilitate the dissolution of amoxicillin in water. These alkaline bases react with amoxicillin to form soluble salts, thereby improving water solubility while maintaining chemical stability through proper pH control.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The patent changes the pH parameter of the aqueous formulation by adding alkaline bases to create a碱性 environment. This parameter change transforms amoxicillin into its ionized form, which has improved water solubility and enhanced chemical stability, resolving the contradiction between solubility and stability.

Inventive Principle:
Principle #35Parameter changes

2Reliability

If Amoxicillin concentration is increased for better treatment efficacy, then bacterial coverage improves, but chemical instability increases over time

Engineering Contradiction:
Improveantibiotic efficacyVSAvoidstability over time
Core Design Contradiction:
ReliabilityVSDuration of action of stationary object

Solution Approach 1:

The patent maintains high amoxicillin concentrations while improving stability over time by adjusting the pH parameter through alkaline bases. The optimized pH range (7.0-9.0) prevents hydrolysis and degradation of amoxicillin, allowing high concentrations to remain stable for extended periods, thus achieving both high efficacy and long-term stability.

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The patent ensures continuous stability of high-concentration amoxicillin formulations by incorporating stabilizing agents and controlling environmental conditions. This allows the formulation to maintain its antibiotic activity continuously over time, preventing degradation even at high concentrations required for effective bacterial coverage.

Inventive Principle:
Principle #20Continuity of useful action

3Adaptability or versatility

If water quality varies in treatment conditions, then Amoxicillin solubility and stability are compromised, but using purified water increases cost and complexity

Engineering Contradiction:
Improvewater quality adaptabilityVSAvoidpotency maintenance
Core Design Contradiction:
Adaptability or versatilityVSReliability

Solution Approach 1:

The patent uses alkaline bases as intermediary substances that buffer the formulation against variations in water quality. These alkaline bases neutralize acidic impurities and maintain stable pH levels, allowing the amoxicillin formulation to maintain its potency and stability even when prepared with non-purified water sources, thus improving adaptability without sacrificing reliability.

Inventive Principle:
Principle #24Intermediary (Mediator)

4Reliability

If stabilizing agents are added to maintain Amoxicillin potency, then stability improves, but formulation complexity increases

Engineering Contradiction:
Improvepotency stabilityVSAvoidformulation complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent employs alkaline bases that serve multiple functions simultaneously: they increase water solubility of amoxicillin, maintain optimal pH for chemical stability, prevent degradation, and enhance overall formulation stability. This multi-functionality reduces the need for multiple separate stabilizing agents, thereby improving potency stability while minimizing formulation complexity.

Inventive Principle:
Principle #6Universality (Multi-functionality)

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 formulations maintain Amoxicillin potency above 90% for extended periods, even in non-purified water sources, addressing solubility and stability issues while enhancing bacterial coverage.

Implementation Method 1

Formulations incorporating potassium sorbate and other stabilizing agents create single-phase solutions with Amoxicillin, achieving high potency and stability by solubilizing Amoxicillin at higher concentrations

Methodology Applied
Scientific EffectSolubilization: Solvation

Implementation Method 2

maintaining pH levels within a stable range, reducing the need for alkaline bases

Methodology Applied
Scientific EffectpH stabilization:

Data Source

PatentUS20250339407A1Formulations of aminopenicillin and methods for solubilizing aminopenicillin
Publication Date: 2025.11.06 VETERINARY PHARMACY CORP

AI summary

A formulation of a single phase solution, including aminopenicillin, a stabilizing agent, and water. The aminopenicillin in the solution has a potency of 87% or higher at 24 hours of storage at room temperature. A formulation of a single phase solution, including amoxicillin, ampicillin, and/or a combination thereof, a stabilizing agent, and water. The amoxicillin, ampicillin, and/or a combination thereof in the solution has a potency of 87% or higher at 24 hours of storage at room temperature. A formulation of a single phase solution, including amoxicillin, a stabilizing agent, and water. The amoxicillin in the solution has a potency of 87% or higher at 24 hours of storage at room temperature. A formulation of a single phase solution, including ampicillin, a stabilizing agent, and water.