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US 2003/0196889 A1Published application
Porous film and method for producing the same
OwnerKarl Pflanz, Eric Jallerat +2inventors
InventorsKarl Pflanz, Eric Jallerat, Hans Beer, Timo Klewitz
Life of this patent
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Abstract
Cellulose nitrate membranes useful in immuno-assay diagnostic tests are rendered hydrophilic by exposure to a low energy plasma.
Claims15
A porous membrane comprising cellulose nitrate rendered hydrophilic by exposure to a low energy plasma.
The membrane of claim 10 wherein said diagnostic test is an immuno-chromatographic lateral flow test.
A process for the manufacture of a porous hydrophilic membrane comprising exposing a porous membrane comprising cellulose nitrate to a low energy plasma in an ionizable atmosphere.
Dependencies are inferred from the claim text.