Nanocellulose Hydrogel Systems for Specialized Applications
Legal Citation
Summary of the Inventive Concept
The inventive concept adapts the versatile nanocellulose-derived hydrogel drug delivery system for specific, narrow markets or unique operational environments, providing tailored solutions for high-security needs, disaster relief, or extreme weather conditions.
Background and Problem Solved
The original patent disclosed a nanocellulose-derived hydrogel drug delivery system, but it did not address the specific challenges of high-humidity environments, natural disasters, high-security needs, or extreme weather conditions. The new inventive concept addresses these limitations by developing specialized variations and niche solutions.
Detailed Description of the Inventive Concept
The new inventive concept comprises nanocellulose-derived hydrogel matrices adapted for specific applications. For high-humidity environments, the nanocellulose is surface-modified with hydrophobic groups to enhance water resistance. For natural disasters, the hydrogel matrix is designed with enhanced mechanical strength. For high-security needs, the hydrogel matrix is embedded with a tamper-evident material. For extreme weather conditions, the hydrogel matrix is designed to maintain its structural integrity in temperatures ranging from -20°C to 50°C. These adaptations enable sustained release of therapeutic agents in these specialized environments.
Novelty and Inventive Step
The new inventive concept introduces novel adaptations of the original nanocellulose-derived hydrogel drug delivery system, including surface modification for water resistance, enhanced mechanical strength, tamper-evident materials, and temperature-resistant designs. These adaptations provide a non-obvious solution to the specific challenges of high-humidity environments, natural disasters, high-security needs, or extreme weather conditions.
Alternative Embodiments and Variations
Alternative embodiments of the inventive concept could include using different types of nanocellulose, varying the surface modification techniques, or incorporating additional components to enhance the hydrogel matrix's performance. Variations could also include adapting the hydrogel matrix for other specialized applications, such as space exploration or military operations.
Potential Commercial Applications and Market
The inventive concept has significant commercial potential in the pharmaceutical, biotechnology, and medical device industries, particularly in the areas of disaster relief, high-security needs, and extreme weather conditions. The targeted markets include governments, NGOs, and private companies operating in these specialized environments.
CPC Classifications
| Section | Class | Group |
|---|---|---|
| A | A61 | A61K47/38 |
| A | A61 | A61K47/40 |
| A | A61 | A61L27/20 |
| A | A61 | A61L27/52 |
| B | B82 | B82Y5/00 |
| B | B82 | B82Y30/00 |
| B | B82 | B82Y40/00 |
Section 103 Obviousness Analysis (PHOSITA)
Field of Art
Pharmaceutical drug delivery systems, nanomaterials, and hydrogel technologies, with expertise in material science, polymer chemistry, and biomedical engineering
Person of Ordinary Skill (PHOSITA) Profile
A researcher or engineer with advanced degrees in materials science or bioengineering, familiar with nanocellulose technologies, drug encapsulation techniques, and material modification strategies
Obviousness Rationale
A person skilled in the art would recognize that the source patent's nanocellulose hydrogel drug delivery system provides a foundational framework that can be readily adapted for specialized environmental conditions. The PTD's variations represent predictable engineering modifications using standard surface modification, mechanical reinforcement, and material design techniques commonly employed in drug delivery system development. These adaptations would be considered routine optimization within the existing technological paradigm established by the source patent.
Obvious Combinations & Variations
Original Patent Information
| Patent Number | US 11,857,632 |
|---|---|
| Title | Nanocellulose as an embedding matrix and applications thereof |
| Assignee(s) | INNOSENSE LLC |