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Patent Searching and Data


Title:
COMPOSITE FLAME BARRIER
Document Type and Number:
WIPO Patent Application WO/2013/052723
Kind Code:
A3
Abstract:
A composite flame barrier includes a woven or nonwoven fiber sheet material including flame resistant fibers of oxidized polyacrylonitrile; a mineral hydrate material at least partially embedded within the fiber sheet material. The fiber sheet material may be covered on one or two sides with an outer laminar material. The composite flame barrier is particularly useful in fire-rated wall assemblies, especially those designed to provide two, three and four hour fire-ratings, when tested according to ASTM E-119 or similar testing methods and standards.

Inventors:
HANDERMANN ALAN (US)
Application Number:
PCT/US2012/058838
Publication Date:
November 07, 2013
Filing Date:
October 05, 2012
Export Citation:
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Assignee:
ZOLTEK COMPANIES INC (US)
International Classes:
B32B5/08; A62C2/06; E04B1/94
Foreign References:
US5292575A1994-03-08
US6670291B12003-12-30
Attorney, Agent or Firm:
BOEHLEFELD, Heidi, A. (Otto Boisselle & Sklar, LLP,1621 Euclid Avenue,Nineteenth Floo, Cleveland Ohio, US)
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