Title:
THREE COMPONENT FILTRATION MATERIAL
Document Type and Number:
WIPO Patent Application WO2004060520
Kind Code:
A3
Abstract:
A filter material comprising a blend of at least three types of fibers: (a) polypropylene fibers (b) polymethaphenylene isophtalamide fibers and (c) fibers of a third type selected from the group of acrylic and modacrylic. In a preferred embodiment, the blend contains about ten weight percent polymethaphenylene isophtalamide fibers, about 50 weight percent polyprophylene fibers and about 40 weight percent modacrylic fibers. Performance of the blend is superior to the prior art filtration materials, especially at the preferred compositions.
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Inventors:
WILKINS RODNEY R
MONTGOMERY K DALE
ALEXANDER STEPHEN W
TUTTLE JAMES G
HOEL EDWIN G
MONTGOMERY K DALE
ALEXANDER STEPHEN W
TUTTLE JAMES G
HOEL EDWIN G
Application Number:
PCT/US2003/031940
Publication Date:
December 01, 2005
Filing Date:
October 08, 2003
Export Citation:
Assignee:
HOLLINEE GLASS CORP (US)
International Classes:
B01D24/00; B01D39/02; B01D39/14; B01D39/16; B03C3/00; B03C3/14; B03C3/36; B32B7/00; D03D9/00; D03D15/00; D03D19/00; D03D25/00; D04H3/00; B01D; (IPC1-7): B01D24/00; B01D39/02; B01D39/14; B03C3/00; B03C3/14; B03C3/36; D03D9/00; D03D15/00; D03D19/00; D03D25/00; D04H3/00; B32B7/00
Foreign References:
| US5198293A | 1993-03-30 | |||
| US20020041841A1 | 2002-04-11 | |||
| US20020092634A1 | 2002-07-18 | |||
| US4765812A | 1988-08-23 | |||
| US5685897A | 1997-11-11 | |||
| US6419729B1 | 2002-07-16 |
Other References:
See also references of EP 1617927A4
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