Chemistry: analytical and immunological testing – Optical result – With reagent in absorbent or bibulous substrate
Patent
1996-06-20
1998-09-29
Alexander, Lyle A.
Chemistry: analytical and immunological testing
Optical result
With reagent in absorbent or bibulous substrate
436169, 422 56, 422 57, 422 58, G01N 3348
Patent
active
058145222
ABSTRACT:
A sample application zone and detection zone are arranged on a pile-like complex made of a fleece and a porous membrane which are in a direct or indirect contact that enables passage of liquid through the contact area and the membrane is a polyamide, polyvinylidene difluoride, polyether sulfone or polysulfone membrane which transports liquid significantly slower over the area than the fleece.
REFERENCES:
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patent: 5055195 (1991-10-01), Trasch et al.
patent: 5104811 (1992-04-01), Berger et al.
patent: 5314803 (1993-05-01), Wilk et al.
The Condensed Chemical Dictionary, tenth edition, p. 650, 1981.
Lerch Rolf
Macho Heinz
Zimmer Volker
Alexander Lyle A.
Boeringer Mannheim GmbH
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