Optical brighteners, their composition, their production and their use

Details for Australian Patent Application No. 2002341300 (hide)

Owner Clariant Finance (BVI) Limited

Inventors Farrar, John Martin

Agent Davies Collison Cave

Pub. Number AU-B-2002341300

PCT Number PCT/IB02/04316

PCT Pub. Number WO2003/033568

Priority 0125177.6 19.10.01 GB

Filing date 18 October 2002

Wipo publication date 28 April 2003

Acceptance publication date 23 August 2007

International Classifications

C09B 57/00 (2006.01) Other synthetic dyes of known constitution

C08G 65/329 (2006.01) Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule

C08G 73/02 (2006.01) Macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen, with or without oxygen or carbon, not provided for in groups

C09B 67/44 (2006.01) Influencing the physical, e.g. the dyeing or printing, properties of dyestuffs without chemical reaction, e.g. by treating with solvents

D21H 17/09 (2006.01) Non-fibrous material added to the pulp, characterised by its constitution

D21H 21/30 (2006.01) Non-fibrous material added to the pulp, characterised by its function, form or properties

B41M 5/00 (2006.01) Duplicating or marking methods

Event Publications

27 February 2003 Complete Application Filed

  Priority application(s): 0125177.6 19.10.01 GB

3 July 2003 Application Open to Public Inspection

  Published as AU-B-2002341300

23 August 2007 Application Accepted

  Published as AU-B-2002341300

20 December 2007 Standard Patent Sealed

13 May 2010 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This patent ceased under section 143(a), or Expired. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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