Electret webs with charge-enhancing additives

Details for Australian Patent Application No. 2008335536 (hide)

Owner 3M Innovative Properties Company

Inventors Li, Fuming B.; Japuntich, Daniel A.; Dressel, Luke T.; Jones, Marvin E.; Sebastian, John M.

Agent Freehills

Pub. Number AU-B-2008335536

PCT Pub. Number WO2009/076064

Priority 60/992,745 06.12.07 US

Filing date 25 November 2008

Wipo publication date 18 June 2009

Acceptance publication date 17 November 2011

International Classifications

D04H 3/16 (2006.01) Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length - with bonds between thermoplastic filaments produced in association with filament formation, e.g. immediately following extrusion

D04H 3/14 (2006.01) Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length - with bonds between thermoplastic yarns or filaments produced by welding

Event Publications

1 July 2010 PCT application entered the National Phase

  PCT publication WO2009/076064 Priority application(s): WO2009/076064

17 November 2011 Application Accepted

  Published as AU-B-2008335536

15 March 2012 Standard Patent Sealed

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