Respirator, welding helmet, or face shield that has low surface energy hard-coat lens

Details for Australian Patent Application No. 2008279600 (hide)

Owner 3M Innovative Properties Company

Inventors Pellerite, Mark J.; Hofmann, Gerald R.A.; Clark, Gregory D.; Viner, Andrew S.; Klun, Thomas P.; Burton, Craig A.; Benz, Oscar S.; Qiu, Zai-Ming; Iyer, Suresh

Agent Freehills

Pub. Number AU-B-2008279600

PCT Pub. Number WO2009/014798

Priority 11/828,566 26.07.07 US

Filing date 21 May 2008

Wipo publication date 29 January 2009

Acceptance publication date 8 September 2011

International Classifications

G02B 1/04 (2006.01) Optical elements characterised by the material of which they are made - made of organic materials, e.g. plastics

A61F 9/04 (2006.01) Treatment or protection of the eyes or ears - Eye-masks

A62B 18/08 (2006.01) Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes

B29D 11/00 (2006.01) Producing optical elements, e.g. lenses, prisms

G02B 1/10 (2006.01) Optical elements characterised by the material of which they are made - Optical coatings produced by application to, or surface treatment of, optical elements

Event Publications

18 February 2010 PCT application entered the National Phase

  PCT publication WO2009/014798 Priority application(s): WO2009/014798

8 September 2011 Application Accepted

  Published as AU-B-2008279600

19 January 2012 Standard Patent Sealed

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