Photoacoustic gas sensor utilizing diffusion

Details for Australian Patent Application No. 2004265882 (hide)

Owner Mine Safety Appliances Company

Inventors Uber, Robert L.

Agent Mallesons

Pub. Number AU-B-2004265882

PCT Pub. Number WO2005/017500

Priority 10/635,270 06.08.03 US

Filing date 12 May 2004

Wipo publication date 24 February 2005

Acceptance publication date 14 August 2008

International Classifications

G01N 21/17 (2006.01) Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible, or ultra-violet light - Systems in which incident light is modified in accordance with the properties of the material investigated

G01N 21/03 (2006.01) Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible, or ultra-violet light - Cuvette constructions

Event Publications

21 April 2005 PCT application entered the National Phase

  PCT publication WO2005/017500 Priority application(s): WO2005/017500

14 August 2008 Application Accepted

  Published as AU-B-2004265882

11 December 2008 Standard Patent Sealed

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