B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 39/08 (2006.01) D04H 13/00 (2006.01)
Patent
CA 2507041
Filters (10) comprising water-soluble polyvinyl alcohol material are disclosed, as well as methods and making and using filters. The filters (10) can include a roving/yarn filtering material (11) wrapped around a supporting core (12). Both the filtering material (11) and the core (12) can be made of the water-soluble PVA.
La présente invention a trait à des filtres comprenant un matériau d'alcool polyvinylique hydrosoluble. L'invention a également trait à des procédés de fabrication et d'utilisation de filtres formés à partir de matériau d'alcool polyvinylique hydrosoluble.
Ding Youzhen
Johnston Jordan M.
Lee Baosheng
Steward John B.
Microtek Medical Holdings Inc.
Oyen Wiggs Green & Mutala Llp
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