B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 39/00 (2006.01) A61L 2/00 (2006.01) A61L 2/02 (2006.01) B01D 35/02 (2006.01) B01D 35/30 (2006.01) B01D 39/18 (2006.01) B01D 39/20 (2006.01) B01J 20/02 (2006.01) B01J 20/22 (2006.01) C02F 1/00 (2006.01)
Patent
CA 2379565
A filter for removing microorganisms from a fluid is provided by the invention. The filter includes a substrate having a reactive surface, and a polymer covalently bonded to the reactive surface of the substrate. The polymer includes a plurality of cationic groups for attracting microorganims. Faucet mounted filters and pour through filters containing the polymer coated substrate are provided. Also disclosed are methods for using and manufacturing filters for removing microorganisms from a fluid.
L'invention concerne un filtre servant à éliminer des microorganismes d'un liquide. Ce filtre comprend un substrat possédant une surface réactive, et un polymère lié par covalence à la surface réactive du substrat. Le polymère comprend plusieurs groupes cationiques destinés à attirer les microorganismes. L'invention concerne également des filtres à robinet et des filtres d'écoulement contenant le substrat revêtu de polymère. L'invention concerne enfin des procédés d'utilisation et de fabrication de filtres servant à éliminer des microorganismes d'un liquide.
Bretl Donald S.
Hembree Richard D.
Hou Kenneth C.
Dimock Stratton Llp
The Procter & Gamble Company
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