Title:
SPIRALED SURFACE HOLLOW FIBER MEMBRANES
Document Type and Number:
WIPO Patent Application WO2003063995
Kind Code:
A3
Abstract:
Porous asymmetric hollow polymer fiber membranes having spiraled inner and/or outer surfaces, as well as filters and filter devices comprising one or more of the hollow fiber membranes, the filter and devices preferably being arranged to direct fluid flow from the inner surface of the membranes to the outer surface, and methods of using the filters and filter devices, are disclosed.
Inventors:
HERCZEG ATTILA
Application Number:
PCT/US2003/002580
Publication Date:
March 25, 2004
Filing Date:
January 28, 2003
Export Citation:
Assignee:
AMERSHAM BIOSCIENCES MEMBRANE (US)
International Classes:
B01D63/02; B01D65/08; B01D69/00; B01D69/08; D01D5/24; (IPC1-7): B01D63/02; C02F1/44
Foreign References:
| US3963622A | 1976-06-15 | |||
| US4781833A | 1988-11-01 | |||
| US5556591A | 1996-09-17 | |||
| US4332752A | 1982-06-01 | |||
| US4882223A | 1989-11-21 |
Other References:
See also references of EP 1469934A4
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