Title:
LIQUID HANDLING MEMBER WITH A MEMBRANE ASSEMBLY COMPRISING A MEMBRANE WETTING REGION
Document Type and Number:
WIPO Patent Application WO2001045587
Kind Code:
A3
Abstract:
The present invention is a liquid handling member, which comprises a first zone and a second zone connected to a suction device, wherein the second zone circumscribes a second zone volume which is at least to 50 % filled with a non-liquid fluid, and wherein the first zone and the second zone are separated by a membrane assembly which is capable of maintaining a pressure differential between the second zone and the first zone without permitting air to penetrate from said first zone to said second zone. The assembly comprises further a first porous membrane region oriented towards the first zone, and a second region oriented towards the second zone, which is capable of holding liquid, and which is in liquid communication with the pores of said porous membrane region.
Inventors:
SCHMIDT MATTIAS (DE)
EHRNSPERGER BRUNO JOHANNES (DE)
POURSANIDIS GEORGIOS (DE)
EHRNSPERGER BRUNO JOHANNES (DE)
POURSANIDIS GEORGIOS (DE)
Application Number:
PCT/US2000/034743
Publication Date:
December 13, 2001
Filing Date:
December 20, 2000
Export Citation:
Assignee:
PROCTER & GAMBLE (US)
SCHMIDT MATTIAS (DE)
EHRNSPERGER BRUNO JOHANNES (DE)
POURSANIDIS GEORGIOS (DE)
SCHMIDT MATTIAS (DE)
EHRNSPERGER BRUNO JOHANNES (DE)
POURSANIDIS GEORGIOS (DE)
International Classes:
A61F13/15; (IPC1-7): A61F13/15; A61F5/455
Foreign References:
| US5911222A | 1999-06-15 | |||
| US4845132A | 1989-07-04 |
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