MULTI-ANGLE PROTRACTOR FOR EVALUATING THE OPTICAL PROPERTIES OF A SURFACE CONTAINING METALLIC PARTICLES

Details for Australian Patent Application No. 2003272543 (hide)

Owner E.I. DU PONT DE NEMOURS AND COMPANY

Inventors Alman, David H.

Agent Houlihan2

Pub. Number AU-A-2003272543

PCT Number PCT/US03/29408

PCT Pub. Number WO2004/027401

Priority 10/246,216 18.09.02 US

Filing date 17 September 2003

Wipo publication date 8 April 2004

International Classifications

G01N 021/47 Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible, or ultra-violet light - Scattering, i.e. diffuse reflection

G01J 003/46 Spectrometry - Measurement of colour

C09D 005/38 Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced - Paints containing free metal not provided for in groups

G01N 021/25 Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible, or ultra-violet light - Colour

G01N 021/57 Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible, or ultra-violet light

Event Publications

22 January 2004 Complete Application Filed

  Priority application(s): 10/246,216 18.09.02 US

20 May 2004 Application Open to Public Inspection

  Published as AU-A-2003272543

8 February 2007 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(a). A direction to request examination has been given for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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