Color-developing compositions and recording material containing same

Details for Australian Patent Application No. 2009245244 (hide)

Owner Nippon Soda Co., Ltd.

Inventors Kodama, Satoshi; Fukami, Toshiyuki; Fujii, Hiroshi; Kawakami, Tadashi; Aihara, Toshio

Agent Madderns

Pub. Number AU-B-2009245244

PCT Pub. Number WO2009/136491

Priority 2008-199680 01.08.08 JP; 2008-121604 07.05.08 JP

Filing date 1 May 2009

Wipo publication date 12 November 2009

Acceptance publication date 27 October 2011

International Classifications

B41M 5/333 (2006.01) Duplicating or marking methods

B41M 5/28 (2006.01) Duplicating or marking methods - using thermo-chromic compounds or layers containing liquid crystals, microcapsules, bleachable dyes or heat decomposable compounds, e.g. gas liberating

B41M 5/30 (2006.01) Duplicating or marking methods - using chemical colour formers

Event Publications

11 November 2010 PCT application entered the National Phase

  PCT publication WO2009/136491 Priority application(s): WO2009/136491

27 October 2011 Application Accepted

  Published as AU-B-2009245244

23 February 2012 Standard Patent Sealed

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