Silicon Nitride Pathogen Control for Agri-Wine Industries

Publication ID: 24-11857001_0007_PTD
Published: October 27, 2025
Category:New Applications & Use Cases

Legal Citation

pr1or.art Inc., “Silicon Nitride Pathogen Control for Agri-Wine Industries,” Published Technical Disclosure No. 24-11857001_0007_PTD, Published October 27, 2025, available at https://archive.pr1or.art/24-11857001_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. 11,857,001.

Background and Problem Solved

The original patent disclosed antiviral, antibacterial, and antifungal compositions, systems, and devices, primarily focusing on face mask applications. However, the need for pathogen control extends beyond personal protective equipment to various industries, including agriculture and wine production, where airborne and surface-borne pathogens can significantly impact crop yields, livestock health, and product quality. This invention addresses these unmet needs by adapting the core technology to create novel solutions for agricultural and wine production settings.

Novelty and Inventive Step

The new claims introduce a significant expansion of the original patent's scope, applying the silicon nitride technology to entirely new industries and use cases. The inventive step lies in the adaptation of the core technology to address specific pathogen control challenges in agricultural and wine production settings, demonstrating a non-obvious and innovative approach to solving these problems.

Alternative Embodiments and Variations

Alternative embodiments may include integrating silicon nitride-based solutions with existing agricultural equipment, such as irrigation systems or harvesting machinery, or developing novel application methods, such as aerosolized silicon nitride for crop treatment. Variations may also include combining silicon nitride with other antimicrobial agents or incorporating it into biodegradable materials for targeted release.

Potential Commercial Applications and Market

The invention has significant commercial potential in the agricultural and wine production industries, where pathogen control is a critical concern. The market for silicon nitride-based solutions in these industries is substantial, with potential applications in crop protection, livestock health, and wine quality improvement. The invention may also have broader implications for public health and environmental sustainability.

CPC Classifications

SectionClassGroup
A A41 A41D13/1192
D D06 D06B13/00
D D06 D06M11/77
A A41 A41D2500/30
D D06 D06M2101/20
D D10 D10B2501/04

Field of Art

Antimicrobial materials and surface treatments, with expertise in nanotechnology, materials science, and pathogen control technologies spanning medical, agricultural, and industrial applications

Person of Ordinary Skill (PHOSITA) Profile

A professional with advanced degree in materials engineering, chemical engineering, or microbiology, possessing knowledge of nanomaterial interactions, surface modification techniques, and pathogen inactivation mechanisms

Obviousness Rationale

The PTD extends the source patent's silicon nitride antimicrobial technology by applying its core pathogen inactivation principles to diverse environmental contexts. A PHOSITA would recognize that the fundamental mechanism of virus and bacteria lysis through silicon nitride remains consistent across different application domains. The variations represent predictable adaptations of a known antimicrobial technology to solve analogous pathogen control challenges in different technical environments.

Obvious Combinations & Variations

Source Patent Element
Silicon nitride powder embedded in fibrous material layer for pathogen inactivation
PTD Variation
Silicon nitride-based filter for agricultural ventilation systems
Obviousness Reasoning
Predictable extension of existing antimicrobial filtration technology to a new environmental context with known pathogen control requirements
Source Patent Element
Concentration of silicon nitride in material layer (1-10 wt%)
PTD Variation
Silicon nitride powder application to agricultural soil for fungal control
Obviousness Reasoning
Known concentration ranges can be directly applied to soil treatment with expected consistent antimicrobial performance
Source Patent Element
Antiviral face mask with embedded silicon nitride
PTD Variation
Silicon nitride coating for livestock enclosure surfaces
Obviousness Reasoning
Transferring surface treatment technique from personal protective equipment to agricultural infrastructure represents a straightforward design adaptation
Source Patent Element
Inactivation and lysis of viruses, bacteria, and fungi
PTD Variation
Silicon nitride filter in wine fermentation tank for fungal contamination reduction
Obviousness Reasoning
Applying established antimicrobial mechanism to food production environment represents a logical and predictable technological transfer
35 U.S.C. § 103 Summary: Based on US Patent 11857001's disclosure of silicon nitride antimicrobial technology, the present publication demonstrates that extending such pathogen control methods to agricultural, livestock, and food production environments would be obvious to a person having ordinary skill in the art. The variations represent predictable applications of a known nanomaterial-based pathogen inactivation technique across technically analogous domains, thus rendering potential claims in these areas unpatentable under 35 U.S.C. Section 103.

Original Patent Information

Patent NumberUS 11,857,001
TitleAntipathogenic face mask
Assignee(s)SINTX Technologies, Inc.