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The patent EP3434476 was granted to W L Gore & Associates on Sep 11, 2024. The application was filed on Oct 24, 2008 under application number EP18177767A. The patent is currently recorded with a legal status of "Granted And Under Opposition".
A thermally protective material for garments that protects against heat and flame, comprising a flame-resistant textile and an active insulation layer formed by applying a polymer resin-expandable graphite mixture to one side of the textile. The active insulation layer expands to increase thickness when exposed to heat, providing enhanced thermal protection without significantly increasing weight or reducing breathability. The material can be used in firefighter, industrial, and law enforcement garments to improve burn protection and reduce heat stress.

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