A - Human Necessities – 41 – D
Patent
A - Human Necessities
41
D
A41D 13/11 (2006.01)
Patent
CA 2657754
A face mask comprising a filter material being a fibrous substrate, especially non-woven polypropylene or polyester, having an acidic polymer, especially of the Carbopol or Gantrez type, deposited on the the fibres. The mask has an anti-viral activity against inhaled or exhaled air. A filter material suitable for such a mask, and a process for making it are also described.
L'invention concerne un masque facial comprenant un matériau de filtre qui est un substrat fibreux, notamment un polypropylène ou un polyester non tissé, ayant un polymère acide, notamment du type Carbopol ou Gantrez, déposé sur les fibres. Le masque a une activité anti-virale dirigée contre l'air inhalé ou expiré. L'invention concerne également un matériau de filtre approprié pour un tel masque, et un procédé permettant de le fabriquer.
Biedermann Kimberly
Deng Fang
King Simon
Middleton Andrew
Oths Philip J.
Glaxo Group Limited
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
Smithkline Beecham Corporation
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