High efficiency cigarette filters having shaped micro cavity fibers impregnated with adsorbent or absorbent materials

Details for Australian Patent Application No. 2001255550 (hide)

Owner Philip Morris Products, Inc.

Inventors Koller, Kent Brian; Xue, Lixin Luke; Gao, Qiong

Agent Callinan

Pub. Number AU-B-2001255550

PCT Pub. Number WO01/80973

Priority 60198628 20.04.00 US

Filing date 20 April 2001

Wipo publication date 7 November 2001

Acceptance publication date 3 November 2005

International Classifications

B01D 039/02 Filtering material for liquid or gaseous fluids - Loose filtering material, e.g. loose fibres

Event Publications

3 November 2005 Application Accepted

  Published as AU-B-2001255550

2 March 2006 Standard Patent Sealed

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