Advanced Aerosol Cartridge Design for E-Vapor Systems

Publication ID: 24-11856991_0006_PTD
Published: October 27, 2025
Category:Direct Improvements & Enhancements

Legal Citation

pr1or.art Inc., “Advanced Aerosol Cartridge Design for E-Vapor Systems,” Published Technical Disclosure No. 24-11856991_0006_PTD, Published October 27, 2025, available at https://archive.pr1or.art/24-11856991_0006_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, Activatable and Reclosable Cartridge Assembly for an Aerosol-Generating System, presents limitations in terms of leakage, aerosol generation efficiency, and user safety. This new invention addresses these limitations by introducing novel design elements and manufacturing methods that enhance the overall performance and reliability of the cartridge assembly.

Novelty and Inventive Step

The new claims introduce novel design elements, such as the reinforced circumferential rib and pressure relief valve, which provide a significant improvement in aerosol generation efficiency and user safety. The helical configuration of the sorption elements and the ultrasonic welding process also represent a non-obvious departure from the original patent.

Alternative Embodiments and Variations

Alternative embodiments of the invention could include different materials or geometries for the circumferential rib, varying configurations for the pressure relief valve, or alternative stacking patterns for the sorption elements. Additionally, the monitoring and control system could be integrated into the cartridge assembly or the aerosol-generating system as a whole.

Potential Commercial Applications and Market

The enhanced cartridge assembly has significant commercial potential in the e-vapor and heat-not-burn industries, where improved aerosol generation efficiency, user safety, and manufacturing efficiency are highly valued. The invention could be licensed or sold to companies operating in these industries, providing a competitive advantage in terms of product performance and reliability.

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

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.