Published Technical Disclosure Archive

Advanced Cartridge Tech for Environmental Purification

Publication ID: 24-11856991_0002_PTD
Published: October 27, 2025
Category:New Applications & Use Cases

Legal Citation

pr1or.art Inc., “Advanced Cartridge Tech for Environmental Purification,” Published Technical Disclosure No. 24-11856991_0002_PTD, Published October 27, 2025, available at https://archive.pr1or.art/24-11856991_0002_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. 11,856,991.

Background and Problem Solved

The original patent disclosed an activatable and reclosable cartridge assembly for aerosol-generating systems. However, the limitations of this technology were confined to a specific industry and use case. The present invention addresses the need for innovative solutions to tackle environmental pollutants, VOCs, and heavy metals in various settings, including indoor environments, vehicles, and personal wearable devices.

Novelty and Inventive Step

The present invention introduces a new application of the original patent's technology, extending its scope to environmental remediation. The inventive step lies in the adaptation of the cartridge assembly to receive sorption elements loaded with pollutant-absorbing materials and catalysts, enabling the system to address a broader range of environmental concerns.

Alternative Embodiments and Variations

Alternative embodiments of the invention could include different cartridge designs, various types of sorption elements, and modified catalysts tailored to specific environmental remediation applications. Additionally, the system could be integrated with sensors and monitoring systems to provide real-time feedback and optimization.

Potential Commercial Applications and Market

The activatable cartridge assembly has significant commercial potential in various industries, including air and water purification, automotive, and wearable technology. The market demand for innovative environmental remediation solutions is growing, driven by increasing concerns about air and water quality, and the need for efficient and modular systems that can be integrated into existing infrastructure.

CPC Classifications

SectionClassGroup
A A24 A24F40/465
A A24 A24F7/00
A A24 A24F40/30
A A24 A24F40/42
A A24 A24F40/485
H H05 H05B6/105
A A24 A24F40/10

Field of Art

Environmental remediation technologies, aerosol delivery systems, and filtration engineering, with expertise in modular cartridge design, material science, and air/liquid purification techniques

Person of Ordinary Skill (PHOSITA) Profile

A professional with advanced engineering or materials science degree, experienced in designing modular filtration systems, understanding of sorption technologies, catalyst integration, and aerosol-based delivery mechanisms

Obviousness Rationale

A PHOSITA would recognize the fundamental structural similarities between the source patent's reclosable cartridge assembly and the PTD's environmental remediation adaptation. The core mechanical principles of the activatable cartridge system translate directly to pollutant removal applications. The modular design and release mechanism are inherently adaptable to different material payloads, making the environmental variations a predictable extension of the original aerosol technology.

Obvious Combinations & Variations

Source Patent Element
Reclosable cartridge assembly with rotatable portions and compartmentalized design
PTD Variation
Cartridge assembly adapted to receive sorption elements for environmental pollutant removal
Obviousness Reasoning
The fundamental mechanical structure supports interchangeable payload insertion, making pollutant-absorbing materials a predictable design modification for a PHOSITA
Source Patent Element
Activatable system with controlled material release mechanism
PTD Variation
Controlled release of VOC-absorbing materials and catalysts in air purification applications
Obviousness Reasoning
The original activation mechanism directly translates to controlled material dispersal, representing a known technique for adapting delivery systems across technical domains
Source Patent Element
Compartmentalized cartridge with upstream and downstream end walls
PTD Variation
Modular cartridge design for water and air purification in different environmental contexts
Obviousness Reasoning
The structural flexibility of the original design inherently supports multiple payload configurations, making cross-domain adaptation an obvious engineering approach
Source Patent Element
Aerosol-generating system with precise material containment
PTD Variation
Wearable personal air quality monitoring and purification device
Obviousness Reasoning
Miniaturization and repurposing of the cartridge technology represents a predictable evolution for a PHOSITA familiar with portable device design
Source Patent Element
Rotatable housing portions with controlled opening mechanisms
PTD Variation
Cartridge systems with integrated sensor and monitoring capabilities
Obviousness Reasoning
Adding monitoring technologies to a modular cartridge system represents a straightforward design enhancement using known integration techniques
35 U.S.C. § 103 Summary: Pursuant to 35 U.S.C. ยง 103, the variations disclosed herein would have been obvious to a Person Having Ordinary Skill In The Art at the time of invention, as the environmental remediation applications represent predictable extensions of the mechanical and functional principles established in US Patent 11856991, with no evidence of unexpected results or non-obvious technical achievements beyond the ordinary capabilities of a skilled practitioner in aerosol delivery and filtration technologies.

Original Patent Information

Patent NumberUS 11,856,991
TitleActivatable and reclosable cartridge assembly for an aerosol-generating system
Assignee(s)Philip Morris Products S.A.