Method for forming volume independent test device

Details Method for forming volume independent test device Method for forming volume independent test device

1986-07-08

1987-08-25

Lusignan, Michael R.

Coating processes

Medical or dental purpose product; parts; subcombinations;...

Particulate or unit-dosage-article base

427278, 427289, A01N 102, B05D 312, B05D 500, G01N 3122

Patent

active

046892400

ABSTRACT:
Volume independent test device and method for forming same, covering the top of reagent matrices with a water impermeable or semipermeable coating or membrane having spaced openings of limited size which permit liquid to pass through the coating or membrane and contact the underlying reagent matrix until the matrix becomes saturated are disclosed.

REFERENCES:
patent: 4543338 (1985-09-01), Chen
patent: 4595439 (1986-06-01), Boger et al.

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