pHLIP-based Liposome Technology for Agricultural Applications

Publication ID: 24-11857509_0007_PTD
Published: October 28, 2025
Category:New Applications & Use Cases

Legal Citation

pr1or.art Inc., “pHLIP-based Liposome Technology for Agricultural Applications,” Published Technical Disclosure No. 24-11857509_0007_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857509_0007_PTD
This technical disclosure describes improvements that would be readily apparent to a Person Having Ordinary Skill In The Art (PHOSITA) when considered in combination with the foundational architecture disclosed in U.S. Patent No. 11,857,509.

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

SectionClassGroup
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

Original Patent Information

Patent NumberUS 11,857,509
TitleLiposome compositions and methods of use thereof
Assignee(s)Yale University, University of Rhode Island Board of Trustees