Selective filtration of cigarette smoke using chitosan derivatives

Details for Australian Patent Application No. 2005244774 (hide)

Owner Brown & Williamson Holdings, Inc.

Inventors Caraway, Jr. John W.; Jackson, Thaddeus, J.

Agent Shelston IP

Pub. Number AU-B-2005244774

PCT Pub. Number WO2005/112671

Priority 10/842,165 10.05.04 US

Filing date 27 April 2005

Wipo publication date 1 December 2005

Acceptance publication date 29 January 2009

International Classifications

A24D 3/08 (2006.01) Tobacco smoke filters, e.g. filter-tips, filtering inserts

Event Publications

23 November 2006 PCT application entered the National Phase

  PCT publication WO2005/112671 Priority application(s): WO2005/112671

29 January 2009 Application Accepted

  Published as AU-B-2005244774

28 May 2009 Standard Patent Sealed

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