pHLIP-based Liposome Technology for Agricultural Applications
Legal Citation
Summary of the Inventive Concept
The inventive concept leverages the pH-sensitive liposome technology from the original patent to develop novel agricultural applications, including targeted delivery of nutrients, monitoring soil acidity, treating fungal infections, detecting soil-borne diseases, and enhancing plant growth in acidic soils.
Background and Problem Solved
Despite advances in agricultural technology, farmers still face significant challenges in optimizing crop yields and managing soil health. The original patent's pH-sensitive liposome technology, initially designed for cancer treatment, can be repurposed to address these agricultural challenges. The new inventive concept solves the problem of inefficient nutrient delivery, inaccurate soil acidity monitoring, and ineffective fungal infection treatment in plants.
Detailed Description of the Inventive Concept
The pHLIP-based liposome technology is adapted for agricultural applications by loading the liposomes with nutrients, antifungal agents, or detectable markers. The pH-sensitive liposomes selectively release their payloads in response to low pH conditions, ensuring targeted delivery to plant cells or fungal infections. This technology enables precise monitoring of soil acidity levels, detection of soil-borne diseases, and enhanced plant growth in acidic soils.
Novelty and Inventive Step
The new claims introduce a novel application of the pH-sensitive liposome technology in the agricultural sector, which is non-obvious and distinct from the original patent's cancer treatment focus. The inventive step lies in the adaptation of the core technology to address specific agricultural challenges, demonstrating a significant expansion of the technology's potential.
Alternative Embodiments and Variations
Alternative embodiments could include using different types of liposomes, varying the pH sensitivity range, or incorporating additional molecules to enhance the technology's effectiveness. Variations could also involve applying the technology to other agricultural areas, such as livestock health or environmental monitoring.
Potential Commercial Applications and Market
The pHLIP-based liposome technology for agricultural applications has significant commercial potential in the agricultural industry, with potential markets including precision agriculture, crop protection, and soil health management. The technology could be licensed to agricultural companies, or developed into a standalone product or service offering.
CPC Classifications
| Section | Class | Group |
|---|---|---|
| A | A61 | A61K9/1271 |
| A | A61 | A61K9/127 |
| A | A61 | A61K31/20 |
| A | A61 | A61K31/337 |
| A | A61 | A61K31/704 |
| A | A61 | A61K31/711 |
| A | A61 | A61K31/713 |
| A | A61 | A61K31/7105 |
| A | A61 | A61K47/6911 |
| A | A61 | A61P35/00 |
Section 103 Obviousness Analysis (PHOSITA)
Field of Art
Pharmaceutical and Agricultural Biotechnology, focusing on targeted molecular delivery systems, particularly liposome-based technologies for cellular targeting and payload delivery
Person of Ordinary Skill (PHOSITA) Profile
A skilled practitioner with advanced degrees in biotechnology, biochemistry, or pharmaceutical sciences, possessing expertise in liposome design, peptide engineering, and targeted drug/nutrient delivery mechanisms
Obviousness Rationale
A PHOSITA would recognize the fundamental similarity between the source patent's pH-sensitive liposome delivery mechanism and the agricultural application disclosed in the PTD. The core technological principle of pH-triggered molecular delivery remains consistent, with the primary innovation being the shift from medical to agricultural contexts. The adaptability of liposome technology across different domains suggests that extending the pHLIP-based delivery system to agricultural applications would be a predictable and obvious variation.
Obvious Combinations & Variations
Original Patent Information
| Patent Number | US 11,857,509 |
|---|---|
| Title | Liposome compositions and methods of use thereof |
| Assignee(s) | Yale University, University of Rhode Island Board of Trustees |