Tocopheryl Phosphate Matrix for Transdermal Patch Permeation
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current drug delivery technologies face challenges in maintaining effective duration, bioavailability, and patient compliance, often resulting in inadequate delivery of biologically active compounds.
Innovation Solution
A transdermal delivery patch featuring a matrix layer composed of a mixture of mono-tocopheryl phosphate and di-tocopheryl phosphate compounds combined with a polymer carrier, such as polyvinyl pyrrolidone, polysiloxanes, or polymethyl methacrylate, which enhances skin permeation and reduces irritation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional drug delivery technologies are used, then drug administration is achieved, but bioavailability and effective duration are insufficient
Solution Approach 1:
The patent employs a composite matrix layer combining polymer carrier (such as polyvinyl pyrrolidone, polysiloxanes, or polymethyl methacrylate) with mono-tocopheryl phosphate and di-tocopheryl phosphate compounds. This composite material structure enables sustained release of the biologically active compound while maintaining high bioavailability through enhanced skin permeation, directly resolving the contradiction between reliability and duration of action.
2Ease of operation
If transdermal delivery is implemented, then non-invasive administration is achieved, but skin irritation may occur
Solution Approach 1:
The patent introduces tocopheryl phosphate compounds (mono and di forms) as intermediary substances in the matrix layer. These compounds act as permeation enhancers that facilitate drug delivery through the skin while simultaneously minimizing skin irritation. The tocopheryl phosphates modify the skin barrier properties temporarily to enable transdermal delivery without causing significant adverse effects, thus resolving the contradiction between ease of operation and harmful factors.
3Reliability
If drug delivery system is developed, then therapeutic effect is achieved, but patient compliance and convenience are compromised
Solution Approach 1:
The patent implements a transdermal patch system that provides continuous delivery of the biologically active compound over an extended period. The matrix layer formulation ensures sustained release kinetics, maintaining therapeutic levels without requiring frequent application. This continuous action approach improves patient compliance while ensuring reliable therapeutic effect, resolving the contradiction between reliability and ease of operation.
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 transdermal delivery patch effectively administers biologically active compounds with improved bioavailability and sustained release, providing a non-invasive and consistent delivery profile while minimizing skin irritation.
Implementation Method 1
a transdermal delivery patch featuring a matrix layer composed of a mixture of mono-tocopheryl phosphate and di-tocopheryl phosphate compounds combined with a polymer carrier, such as polyvinyl pyrrolidone, polysiloxanes, or polymethyl methacrylate, which enhances skin permeation
Data Source
Figure 1
Figure 2
Figure 3
AI summary
A composition suitable for use in a transdermal delivery patch for administration of a biologically active compound, the composition comprising a phosphate compound of tocopherol and a polymer carrier.