Electret webs with charge-enhancing additives

Details for Australian Patent Application No. 2010232847 (hide)

Owner 3M Innovative Properties Company

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

Agent Freehills

Pub. Number AU-B-2010232847

PCT Pub. Number WO2010/114742

Priority 61/166,390 03.04.09 US

Filing date 23 March 2010

Wipo publication date 7 October 2010

Acceptance publication date 27 September 2012

International Classifications

B01D 39/02 Filtering material for liquid or gaseous fluids - Loose filtering material, e.g. loose fibres

D01F 1/10 General methods for the manufacture of artificial filaments or the like - Other agents for modifying properties

D04H 1/4291 Kinds or types of non-woven fabrics

D04H 1/4326 Kinds or types of non-woven fabrics

D04H 1/435 Kinds or types of non-woven fabrics

D04H 1/56 Kinds or types of non-woven fabrics - in association with fibre formation, e.g. immediately following extrusion of staple fibres

D04H 13/00 Other non-woven fabrics

D06M 10/00 Physical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. ultrasonic, corona discharge, irradiation, electric currents, magnetic fields

Event Publications

3 November 2011 PCT application entered the National Phase

  PCT publication WO2010/114742 Priority application(s): WO2010/114742

27 September 2012 Application Accepted

  Published as AU-B-2010232847

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