Nanoparticle-based Antibiotic Delivery Systems for Environmental and Industrial Applications

Publication ID: 24-11857679_0007_PTD
Published: October 28, 2025
Category:New Applications & Use Cases

Legal Citation

pr1or.art Inc., “Nanoparticle-based Antibiotic Delivery Systems for Environmental and Industrial Applications,” Published Technical Disclosure No. 24-11857679_0007_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857679_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. 11,857,679.

Summary of the Inventive Concept

The inventive concept leverages nanoparticles carrying antibiotics to address antibiotic resistance in various industries, including water pollution, medical implants, agricultural soil, industrial wastewater, and poultry farming.

Background and Problem Solved

The original patent disclosed nanoparticles carrying antibiotics for improving antibiotic delivery methods. However, the growing concern of antibiotic resistance extends beyond human health to environmental and industrial ecosystems. The inventive concept addresses this limitation by applying the core technology to new industries and use cases, providing a comprehensive solution to combat antibiotic resistance.

Detailed Description of the Inventive Concept

The inventive concept comprises nanoparticles carrying antibiotics, which are designed to target and eliminate antibiotic-resistant bacteria in various environments. In water pollution treatment, the nanoparticles are formulated to release antibiotics in a controlled manner to prevent biofilm formation. For medical implants, the nanoparticles are coated onto the implant surface to prevent biofilm formation and reduce the risk of infection. In agricultural soil treatment, the nanoparticles are combined with a soil-penetrating agent to target antibiotic-resistant bacteria. For industrial wastewater treatment, the nanoparticles are used in conjunction with wastewater-treatment chemicals to eliminate antibiotic-resistant bacteria. In poultry farming, the nanoparticles are administered to poultry to reduce antibiotic resistance in the gut.

Novelty and Inventive Step

The inventive concept's novelty lies in its application of nanoparticles carrying antibiotics to new industries and use cases, which were not considered in the original patent. The inventive step involves the design and formulation of nanoparticles to address specific challenges in each industry, such as biofilm formation, soil penetration, and wastewater treatment.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include different nanoparticle formulations, such as liposomes or dendrimers, and various antibiotic combinations. Additionally, the inventive concept could be adapted for use in other industries, such as aquaculture or bioremediation.

Potential Commercial Applications and Market

The inventive concept has significant commercial potential in various industries, including water pollution treatment, medical device manufacturing, agricultural soil remediation, industrial wastewater treatment, and poultry farming. The market size for these industries is substantial, with growing demand for innovative solutions to combat antibiotic resistance.

CPC Classifications

SectionClassGroup
A A61 A61K9/1075
A A61 A61K31/496
A A61 A61K47/20
A A61 A61K47/552
A A61 A61K47/58
A A61 A61K47/6907
A A61 A61P31/04

Field of Art

Nanomedicine and pharmaceutical drug delivery systems, with expertise in nanoparticle formulation, antibiotic encapsulation, and targeted drug delivery technologies

Person of Ordinary Skill (PHOSITA) Profile

A researcher with advanced degrees in chemical engineering, pharmaceutical sciences, or nanotechnology, possessing knowledge of polymer chemistry, emulsion techniques, and antibiotic delivery mechanisms

Obviousness Rationale

A person having ordinary skill in the art would recognize that the PTD's expanded application of nanoparticle antibiotic delivery to various industrial contexts represents a predictable extension of the source patent's core technology. The fundamental nanoparticle encapsulation method remains substantially unchanged, with the primary innovation being the identification of new application domains. A PHOSITA would understand that the core nanoparticle formulation principles disclosed in the source patent could be readily adapted to different environmental and industrial contexts with routine experimentation.

Obvious Combinations & Variations

Source Patent Element
Aqueous polyacrylate nanoparticle emulsion method for drug delivery
PTD Variation
Application of nanoparticle delivery to water pollution treatment systems
Obviousness Reasoning
Extending the nanoparticle delivery mechanism to water treatment represents a predictable solution using known encapsulation techniques, with a finite set of obvious implementation strategies
Source Patent Element
Acrylolated drug monomer dissolution in organic solvents
PTD Variation
Modification of nanoparticle formulation for soil penetration and agricultural applications
Obviousness Reasoning
A PHOSITA would recognize that adjusting solvent and polymer compositions to improve soil penetration is a standard design optimization within the predictable art of drug delivery systems
Source Patent Element
Polymerization method for creating antibiotic-carrying nanoparticles
PTD Variation
Coating medical implants with controlled-release antibiotic nanoparticles
Obviousness Reasoning
Surface coating of medical devices with drug-loaded nanoparticles is a well-known technique in the art, representing an obvious variation of the source patent's core encapsulation methodology
Source Patent Element
Temperature-controlled nanoparticle emulsion preparation
PTD Variation
Adapting nanoparticle formulation for industrial wastewater and poultry farming applications
Obviousness Reasoning
Modifying nanoparticle preparation parameters to suit different environmental conditions would be considered routine optimization by a person skilled in the art
35 U.S.C. § 103 Summary: Pursuant to 35 U.S.C. ยง 103, the variations disclosed in the Published Technical Disclosure render obvious any subsequent patent claims directed to nanoparticle-based antibiotic delivery systems across diverse industrial applications, as substantively derived from the foundational teachings of US Patent 11857679. The disclosed variations represent predictable extensions of known nanomedicine techniques, achievable through routine experimentation by a person having ordinary skill in the art of drug delivery technologies.

Original Patent Information

Patent NumberUS 11,857,679
TitleNanoparticles carrying antibiotics
Assignee(s)University of South Florida