Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
July 31, 2012
Patent Application Number
12889867
Date Filed
September 24, 2010
Patent Citations Received
Patent Primary Examiner
Patent abstract
An intumescent strip includes a first material layer and an opposing second material layer. A third material layer, formed from an intumescent material, is positioned between the first and second layers. The intumescent material includes a combination of intumescent particles suspended within a thermoplastic material. The intumescent particles have an activation temperature and are expandable when exposed to temperatures above the activation temperature. The thermoplastic material has a melting temperature that is lower than the activation temperature.
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