Para-aramid ventilation pipe

Details for Australian Patent Application No. 2008238466 (hide)

Owner E.I.DU PONT DE NEMOURS AND COMPANY

Inventors Mao, Xiaodan; Chang, Clifford C.; Li, Xuedong; Mao, Weitao

Agent Houlihan2

Pub. Number AU-A-2008238466

PCT Pub. Number WO2008/125053

Priority 200710097134.X 12.04.07 CN

Filing date 10 April 2008

Wipo publication date 23 October 2008

International Classifications

E21F 1/04 (2006.01) Ventilation of mines or tunnels

C08L 77/06 (2006.01) Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain

E21F 17/02 (2006.01) Methods or devices for use in mines or tunnels, not covered elsewhere

F16L 59/00 (2006.01) Thermal insulation in general

Event Publications

3 December 2009 PCT application entered the National Phase

  PCT publication WO2008/125053 Priority application(s): WO2008/125053

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