Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
January 12, 2010
Patent Application Number
10824029
Date Filed
April 14, 2004
Patent Primary Examiner
Patent abstract
Multilayer mats, pollution control devices containing the multilayer mats, and methods of making the multilayer mats are described. The multilayer mats include an intumescent layer sandwiched between two non-intumescent layers. The non-intumescent layers contain inorganic fibers and have a larger area than the intumescent layer.
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