Background compensation by multiplepeak measurements for absorption spectroscopy-based gas sensing

Details for Australian Patent Application No. 2008242467 (hide)

Owner SpectraSensors, Inc.

Inventors Feitisch, Alfred; Sanger, Gregory M.; Liu, Xiang; Zhou, Xin

Agent Phillips Ormonde Fitzpatrick

Pub. Number AU-B-2008242467

PCT Pub. Number WO2008/130727

Priority 60/898,475 30.01.07 US; 11/929,525 30.10.07 US

Filing date 24 January 2008

Wipo publication date 30 October 2008

Acceptance publication date 29 September 2011

International Classifications

G01N 21/31 (2006.01) Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible, or ultra-violet light - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry

G01N 21/35 (2006.01) Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible, or ultra-violet light

G01N 21/39 (2006.01) Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible, or ultra-violet light

Event Publications

20 August 2009 PCT application entered the National Phase

  PCT publication WO2008/130727 Priority application(s): WO2008/130727

29 September 2011 Application Accepted

  Published as AU-B-2008242467

2 February 2012 Standard Patent Sealed

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