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Patent drawing for Waterproof/breathable technical apparel
US 20,100,269,241 A1
Materials US 20,100,269,241 A1 Expired

Waterproof/breathable technical apparel

This invention describes a piece of clothing designed to be waterproof and breathable. It achieves this by combining several layers: an inner layer of breathable polypropylene or polyester fabric, and a second layer of open-cell, anti-microbial foam that is hydrophilic and mechanically bonded to a moisture-absorbing material.

Why it matters: Since 2010, advancements in polymer science and textile manufacturing have improved the performance and cost-effectiveness of specialized foams and bonding techniques for layered technical fabrics.

Status
ExpiredProtection ended and was never renewed
How hard to build
SpecializedSpecialized textile bonding, material fabrication

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