Advanced Composite Foam for Specialized Footwear Applications

Publication ID: 24-11857024_0009_PTD
Published: October 27, 2025
Category:Specialized Variations & Niche Solutions

Legal Citation

pr1or.art Inc., “Advanced Composite Foam for Specialized Footwear Applications,” Published Technical Disclosure No. 24-11857024_0009_PTD, Published October 27, 2025, available at https://archive.pr1or.art/24-11857024_0009_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. 11,857,024.

Background and Problem Solved

The original patent disclosed a high-performance composite foam for midsoles, but it lacked adaptability for specific, narrow markets or unique operational environments. This invention addresses the limitations of the original patent by providing specialized variations of the composite foam, tailored to meet the demands of high-security, disaster relief, extreme weather conditions, and search and rescue applications.

Novelty and Inventive Step

The new claims introduce novel and non-obvious variations of the original composite foam, including enhanced shock absorption, thermal insulation, grip, and self-healing properties. These specialized features address specific needs in high-security, disaster relief, extreme weather conditions, and search and rescue applications, providing a significant inventive step over the original patent.

Alternative Embodiments and Variations

Alternative embodiments of the invention may include using different types of thermoplastic elastomers or polyurethane matrices to achieve the desired properties. Additionally, the foam could be formulated with additives or coatings to enhance its performance in specific environments. Other variations may include using different shapes or geometries for the pelletized expanded thermoplastic elastomer to optimize its performance in various applications.

Potential Commercial Applications and Market

The enhanced composite foam has significant commercial potential in the footwear industry, particularly in niche markets such as high-security, disaster relief, extreme weather conditions, and search and rescue operations. The invention could be licensed to manufacturers of specialized footwear, providing a competitive advantage in these markets.

CPC Classifications

SectionClassGroup
A A43 A43B13/026
A A43 A43B13/04
C C08 C08J9/0061
C C08 C08L75/04
C C08 C08J2367/02
C C08 C08J2375/04
C C08 C08J2377/00
C C08 C08J2467/02
C C08 C08J2475/04
C C08 C08J2477/00

Original Patent Information

Patent NumberUS 11,857,024
TitleComposite foam for midsole
Assignee(s)Columbia Sportswear North America, Inc.